Biotin
- CAS22377-59-9
- CatalogueRS-Z412OLT
- FormulaC10H16N2O3S
- MW244.09
On this page
Product identification
| Product name | Biotin |
|---|---|
| Catalogue No. | RS-Z412OLT |
| CAS No. | 22377-59-9 |
| Molecular formula | C10H16N2O3S |
| Molecular weight | 244.09 |
| Availability | In stock— dispatched in about 1–2 weeks |
| Standard type | General Reference Standards |
| Drug substance | Biotin |
| Also known as | STDPHARM |
| Storage | Refer to the certificate of analysis (COA) supplied with each lot |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-Z412OLT / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Biotin
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z412OLT
- Request a quotation for RS-Z412OLT
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Biotin
All 273 further standards are listed here — every link is in the page, not loaded later.
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Biotin
IN STOCKRS-I012084 -
Biotin EP Impurity A
BACK ORDERRS-B005002 -
Biotin EP Impurity B
CUSTOM SYNTHESISRS-B005010 -
Biotin EP Impurity C
IN STOCKRS-B005035 -
Biotin EP Impurity D
IN STOCKRS-B005009 -
Biotin EP Impurity F
BACK ORDERRS-B005001 -
Biotin EP Impurity G Bromide
BACK ORDERRS-B005008 -
Biotin EP Impurity H (Mixture of Diastereomers)
IN STOCKRS-X001233 -
Biotin Impurity 4 (Biotin EP Impurity D)
IN STOCKRS-B005044 -
Biotin Impurity C Dihydrochloride
IN STOCKRS-B005040 -
(+)-Biotin 4-Amidobenzoic Acid, Sodium Salt
IN STOCKRS-U043013 -
(+)-Biotin Methyl Ester
IN STOCKRS-U043184 -
(+)-Biotin N-hydroxysuccinimide ester
IN STOCKRS-U043829 -
(+)-Biotin-PEG6-hydrazide
BACK ORDERRS-B005120 -
(+)-Biotin-PFP-ester
CUSTOM SYNTHESISRS-B005121 -
(+)- 3,6,9-
BACK ORDERRS-Z407QDH -
(2aR,7aS,7bS)-Hexahydro-2H-1-thia-3,4a-diazacyclopent[cd]inden-4(3H)-one
IN STOCKRS-I516078 -
(S)-5-Oxo-3-thiomorpholinecarboxylic Acid Methyl Ester
IN STOCKRS-P002217 -
1,3-Dibenzyldihydro-1H-furo[3,4-d]-imidazole-2,4-(3H, 3aH)dione
IN STOCKRS-Z401JFB -
1-Thioglycerol
IN STOCKRS-C011074 -
12:0 N-Biotinyl Fatty Acid
CUSTOM SYNTHESISRS-U002480 -
2,2-Dimethyl-4-oxo-3,8,11,14,17,20,23,26-octaoxa-5-azanonacosan-29-oic acid
BACK ORDERRS-U051637 -
2,7-Bis(alloxycarbonylamino)-9-(biotinylaminoethylamino)acridine
BACK ORDERRS-U073048 -
2-Iminobiotin
IN STOCKRS-B005022 -
25-Amino-5,8,11,14,17,20,23-heptaoxa-2-azapentacosanoic Acid1,1-Dimethylethyl Ester
BACK ORDERRS-C019101 -
3-(4-(N-Biotinoyl-6-aminocaproyloxy)phenyl)propionic Acid
BACK ORDERRS-U002A75 -
3-(N-Maleimidylpropionyl)biocytin
BACK ORDERRS-U002405 -
3-[2-N-(Biotinyl)aminoethyldithio]propanoic Acid
BACK ORDERRS-B005013 -
3-[[2-(Biotinylamino)ethyl]dithio]propanoic acid3-sulfo-N-hydroxysuccinimide ester sodiumsalt
CUSTOM SYNTHESISRS-Z404OKW -
3’N-Benzyl Biotin
IN STOCKRS-I014155 -
4-(2-(2-(2-Methoxyethoxy)ethoxy)ethoxy)benzaldehyde
CUSTOM SYNTHESISRS-U100073 -
4-Imidazolidinehexanoic acid, 5-methyl-2-oxo-, (4R,5R)-rel-
IN STOCKRS-I668004 -
5-((3aS,4S,6aR)-3-ethyl-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic Acid
BACK ORDERRS-U089377 -
5-(5-Oxido-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid
CUSTOM SYNTHESISRS-D113031 -
5-(Biotinamido)pentylazide
IN STOCKRS-U092038 -
5-Oxohexyl Biotin
IN STOCKRS-B005117 -
6-(Biotinylamino)thiocaproic Acid, S-Ethyl Ester
IN STOCKRS-Z401IDF -
6-Epi Biotin
CUSTOM SYNTHESISRS-I006160 -
7,8-Diaminopelargonic Acid Dihydrochloride
IN STOCKRS-I010399 -
[Biotinylamidoethyl]-dithiomethylenemalonic Acid Bis(2-aminoethanoic Acid)
BACK ORDERRS-Z395OGD -
[Biotinylamidoethyl]-dithiomethylenemalonic Acid Bis(4-aminobutyric Acid)
BACK ORDERRS-Z397CE8 -
Amine-PEG3-Desthiobiotin
CUSTOM SYNTHESISRS-B005076 -
Azide-C2-SS-C2-biotin
BACK ORDERRS-B005033 -
BCN-PEG3-Biotin
CUSTOM SYNTHESISRS-B005020 -
Biocytin
IN STOCKRS-I012360 -
Biotin (S)-Sulfoxide
IN STOCKRS-Z393GAC -
Biotin sulfone
IN STOCKRS-I012222 -
Biotin Sulfoxide
IN STOCKRS-B005039 -
Biotin-(PEG)12-NHS
BACK ORDERRS-B005057 -
Biotin-1012-S
BACK ORDERRS-B005134 -
Biotin-11-dCTP
BACK ORDERRS-Z397Y6A -
Biotin-11-deoxyuridine-5'-triphosphate, triethylammonium salt-
BACK ORDERRS-B005135 -
Biotin-11-dUTP
BACK ORDERRS-B005018 -
Biotin-[2-(2-pyridyldithio)ethylamide]
BACK ORDERRS-U043030 -
BIOTIN-ACA-PFP
CUSTOM SYNTHESISRS-B005118 -
Biotin-C4-amide-C5-NH2
IN STOCKRS-B005030 -
BIOTIN-DDE
IN STOCKRS-B005119 -
Biotin-dPEG-Lipoamide
BACK ORDERRS-Z397FVH -
Biotin-MeTz
BACK ORDERRS-B005047 -
Biotin-NAD+
BACK ORDERRS-B005136 -
Biotin-PEG(4)-SS-Alkyne
BACK ORDERRS-B005019 -
Biotin-PEG(4)-SS-Azide
CUSTOM SYNTHESISRS-B005122 -
Biotin-PEG-Biotin
BACK ORDERRS-B005123 -
Biotin-PEG1-azide
IN STOCKRS-B005016 -
Biotin-PEG1-NHS ester
BACK ORDERRS-B005137 -
Biotin-peg11-amine
CUSTOM SYNTHESISRS-U043897 -
Biotin-PEG11-Mal
CUSTOM SYNTHESISRS-B005045 -
Biotin-PEG12-TFP ester
BACK ORDERRS-B005151 -
Biotin-PEG2-C1-aldehyde
IN STOCKRS-B005079 -
Biotin-PEG2-C4-alkyne
BACK ORDERRS-B005103 -
Biotin-PEG2-C6-azide
BACK ORDERRS-B005104 -
Biotin-PEG2-Hydrazide
BACK ORDERRS-B005080 -
Biotin-PEG2-iodide
BACK ORDERRS-B005085 -
Biotin-PEG2-NHS ester
BACK ORDERRS-B005093 -
Biotin-peg3-acid
BACK ORDERRS-U043795 -
Biotin-peg3-alcohol
CUSTOM SYNTHESISRS-B005084 -
Biotin-PEG3-Azide
CUSTOM SYNTHESISRS-B005098 -
Biotin-PEG3-Bis-sulfone
BACK ORDERRS-B005138 -
Biotin-PEG3-C3-NH2
BACK ORDERRS-B005051 -
Biotin-PEG3-Me-Tet
BACK ORDERRS-B005124 -
Biotin-PEG3-propargyl
BACK ORDERRS-B005028 -
Biotin-PEG36-PFP ester
CUSTOM SYNTHESISRS-B005139 -
Biotin-PEG4-allyl
CUSTOM SYNTHESISRS-U043096 -
Biotin-PEG4-Amide
BACK ORDERRS-B005140 -
Biotin-PEG4-Amide-C6-Azide
BACK ORDERRS-B005105 -
Biotin-PEG4-Amine
BACK ORDERRS-B005094 -
Biotin-PEG4-Hydrazide
BACK ORDERRS-B005125 -
Biotin-PEG4-Mal
BACK ORDERRS-B005141 -
Biotin-PEG4-methyltetrazine
BACK ORDERRS-B005050 -
Biotin-PEG4-MeTz
BACK ORDERRS-B005126 -
Biotin-PEG4-OH
CUSTOM SYNTHESISRS-B005096 -
Biotin-PEG4-PFP ester
BACK ORDERRS-B005021 -
Biotin-PEG4-Picolyl azide
BACK ORDERRS-B005075 -
Biotin-PEG4-S-S-acid
BACK ORDERRS-B005143 -
Biotin-PEG4-S-S-NHS
CUSTOM SYNTHESISRS-B005142 -
Biotin-PEG4-SH
BACK ORDERRS-B005127 -
Biotin-PEG4-TFP ester
CUSTOM SYNTHESISRS-B005128 -
Biotin-PEG5-NH-Boc
BACK ORDERRS-B005054 -
Biotin-PEG5-OH
BACK ORDERRS-B005144 -
Biotin-peg6-acid
BACK ORDERRS-B005024 -
Biotin-PEG6-alcohol
BACK ORDERRS-B005100 -
Biotin-PEG6-Amine
BACK ORDERRS-B005129 -
Biotin-PEG6-Mal
BACK ORDERRS-B005049 -
Biotin-PEG6-NHS ester
CUSTOM SYNTHESISRS-B005060 -
Biotin-PEG6-t-butyl ester
CUSTOM SYNTHESISRS-B005023 -
Biotin-PEG7-Maleimide
BACK ORDERRS-B005055 -
Biotin-PEG8-acid
BACK ORDERRS-B005070 -
Biotin-PEG8-alcohol
BACK ORDERRS-B005072 -
Biotin-PEG8-amine
BACK ORDERRS-B005074 -
Biotin-PEG8-NHS ester
CUSTOM SYNTHESISRS-B005071 -
Biotin-Sar-OH
CUSTOM SYNTHESISRS-B005031 -
Biotin-SS-Amine HCl Salt
BACK ORDERRS-B005145 -
Biotin-Substance P
BACK ORDERRS-U043944 -
Biotin-TAT (47-57)
BACK ORDERRS-U043043 -
BIOTIN-TEG CEP
BACK ORDERRS-B005133 -
Biotin-TEG-ATFBA
CUSTOM SYNTHESISRS-B005130 -
BIOTIN-X-NHS, WATER-SOLUBLE, CLEAVABLE
BACK ORDERRS-U043040 -
Biotinoyl-Tripeptide-1 trifluoroacetate
CUSTOM SYNTHESISRS-U043811 -
Biotinyl-GHK tripeptide
BACK ORDERRS-B005087 -
Biotinylamidoethyl]-dithiomethylenemalonic Acid Bis(3-aminopropionic Acid)
BACK ORDERRS-Z395OAC -
Bis-Biotin-PEG23
BACK ORDERRS-B005086 -
D-Desthiobiotin
IN STOCKRS-U098264 -
DBCO-NHCO-PEG12-biotin
BACK ORDERRS-B005082 -
DBCO-PEG4-Desthiobiotin
BACK ORDERRS-B005059 -
DBCO-S-S-PEG3-biotin
CUSTOM SYNTHESISRS-B005029 -
DBCO-Sulfo-Link-biotin
BACK ORDERRS-B005026 -
Dde biotin picolyl azide
BACK ORDERRS-B005061 -
DecarboxyBiotin-Alkyne
IN STOCKRS-B005131 -
Desthiobiotin N-Hydroxysuccinimide Ester
IN STOCKRS-D1054006 -
Desthiobiotin-Iodoacetamide
BACK ORDERRS-B005132 -
Diazo Biotin-PEG3-alkyne
BACK ORDERRS-B005053 -
Diethyl malonate
IN STOCKRS-C002007 -
DL-Biotin
IN STOCKRS-B005077 -
DSPE-PEG(2000) Biotin
CUSTOM SYNTHESISRS-U102127 -
Fmoc-N-amido-(PEG4-biotin)-acid
BACK ORDERRS-Z397FVA -
Fmoc-N-Lys-(dPEG-biotin)-OH-(acid)
CUSTOM SYNTHESISRS-Z397FVB -
FP-Biotin
BACK ORDERRS-B005081 -
Methyl N-Biotinyl-6-amino-2-naphthonate
BACK ORDERRS-U094015 -
N'-(Biotin-PEG2-amido-PEG4)-Cy5
BACK ORDERRS-B005066 -
N-(2-(2-Aminoethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide
CUSTOM SYNTHESISRS-Z401L2P -
N-(2-(2-Hydroxyethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide
CUSTOM SYNTHESISRS-Z401KGQ -
N-(2-aminoethyl)-5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide
CUSTOM SYNTHESISRS-Z001YU4 -
N-(2-Aminoethyl)biotinamide
IN STOCKRS-B005014 -
N-(Amino-peg4)-n-biotin-peg4-acid
BACK ORDERRS-B005064 -
N-(Azido-PEG4)-biocytin
CUSTOM SYNTHESISRS-P025305 -
N-(Biotin)-N-bis(PEG1-alcohol)
CUSTOM SYNTHESISRS-B005063 -
N-(Biotin-peg4)-n-bis(peg4-acid)
BACK ORDERRS-B005068 -
N-(Biotin-peg4)-n-bis(peg4-t-butyl ester)
BACK ORDERRS-B005067 -
N-(m-PEG4)-N'-(biotin-PEG3)-Cy5
BACK ORDERRS-B005065 -
N-(Propargyl-PEG4)-biocytin
CUSTOM SYNTHESISRS-P025306 -
N-alpha-Boc-Nepsilon-biotinyl-D-lysine
BACK ORDERRS-Z396QTT -
N-Biotinyl Glycine
CUSTOM SYNTHESISRS-U048119 -
N-Boc-Biotinylethylenediamine
IN STOCKRS-U048554 -
N-GlcNAc-Biotin
BACK ORDERRS-N1842063 -
N-Nitroso Biotin-d2
IN STOCKRS-B005187 -
N-Nitroso-Biotin
IN STOCKRS-N001263 -
N-Propargylbiotinamide
IN STOCKRS-B005097 -
N2-t-Boc-N6-(biotinamido-6-N-caproylamido)lysine
BACK ORDERRS-U057013 -
NHS-PEO4-Biotin
BACK ORDERRS-B005092 -
Norbiotin
CUSTOM SYNTHESISRS-B005095 -
PC Biotin-PEG3-alkyne
BACK ORDERRS-B005052 -
PC Biotin-PEG3-azide
BACK ORDERRS-B005058 -
PC Biotin-PEG3-NHS ester
CUSTOM SYNTHESISRS-B005078 -
PC-Biotin-PEG4-NHS carbonate
BACK ORDERRS-B005062 -
PC-Biotin-PEG4-PEG3-azide
BACK ORDERRS-Z401EQP -
rac Biotin-[D4] in acetonitrile
IN STOCKRS-I095061 -
Rac-Selenobiotin
IN STOCKRS-B005102 -
rac-Trimethaphan Bromide
BACK ORDERRS-Z401JOH -
rel Dde Biotin-PEG4-DBCO
BACK ORDERRS-B005048 -
Succinimidyl-6-[6-(biotinamido)caproyl]caproylate
BACK ORDERRS-B005099 -
Sulfo-NHS-Biotin Sodium Salt
BACK ORDERRS-U058025 -
Sulfosuccinimidyl 3-[[2-(Biotinamido)ethyl] dithio]propionate Sodium Salt
CUSTOM SYNTHESISRS-B005106 -
TCO-PEG4-biotin
BACK ORDERRS-B005073 -
Tetrazine-biotin
CUSTOM SYNTHESISRS-B005046 -
Tetrazine-SS-Biotin
CUSTOM SYNTHESISRS-B005069 -
Thiamine Pyrophosphate
IN STOCKRS-U046142 -
Biotin Impurity 1
IN STOCKRS-B005003 -
Biotin Impurity 2((-)-Biotin Sulfoxide)
IN STOCKRS-Z401I49 -
Biotin Impurity 17
IN STOCKRS-B005043 -
Biotin Impurity 26
BACK ORDERRS-B005088 -
Biotin Impurity 27
BACK ORDERRS-B005090 -
Biotin Impurity 29
IN STOCKRS-B005113 -
Biotin Impurity 30
BACK ORDERRS-B005012 -
Biotin Impurity 31
BACK ORDERRS-B005114 -
Biotin Impurity 32
IN STOCKRS-Z412Q41 -
Biotin Impurity 61
IN STOCKRS-B005034 -
Biotin Impurity 62
CUSTOM SYNTHESISRS-B005083 -
Biotin Impurity 64
CUSTOM SYNTHESISRS-B005115 -
Biotin Impurity 66
IN STOCKRS-B005101 -
Biotin Impurity 68
CUSTOM SYNTHESISRS-B005005 -
Biotin Impurity 69
CUSTOM SYNTHESISRS-B005006 -
Biotin Impurity 70
BACK ORDERRS-B005007 -
Biotin Impurity 71
IN STOCKRS-B005011 -
Biotin Impurity 72
IN STOCKRS-B005037 -
Biotin Impurity 73
BACK ORDERRS-B005056 -
Biotin Impurity 74
IN STOCKRS-B005107 -
Biotin Impurity 75
BACK ORDERRS-B005109 -
Biotin Impurity 76
BACK ORDERRS-B005110 -
Biotin Impurity 77
IN STOCKRS-B005111 -
Biotin Impurity 78
CUSTOM SYNTHESISRS-B005112 -
Biotin Impurity 79
BACK ORDERRS-B005116 -
Biotin Impurity 84
BACK ORDERRS-B005027 -
Biotin Impurity 85
IN STOCKRS-B005004 -
Biotin Impurity 86
CUSTOM SYNTHESISRS-B005017 -
Biotin Impurity 87
BACK ORDERRS-B005025 -
Biotin Impurity 88
IN STOCKRS-B005032 -
Biotin Impurity 89
IN STOCKRS-B005036 -
Biotin Impurity 90
IN STOCKRS-B005038 -
Biotin Impurity 91
IN STOCKRS-B005041 -
Biotin Impurity 92
BACK ORDERRS-B005042 -
Biotin Impurity 93
CUSTOM SYNTHESISRS-B005089 -
Biotin Impurity 94
BACK ORDERRS-B005108 -
Biotin Impurity 95
BACK ORDERRS-B005146 -
Biotin Impurity 112
CUSTOM SYNTHESISRS-U096448 -
Biotin Impurity 113
IN STOCKRS-B005148
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.
















![Chemical structure of (2aR,7aS,7bS)-Hexahydro-2H-1-thia-3,4a-diazacyclopent[cd]inden-4(3H)-one](/structures/w4/YPHBQXGSQAIZNC-ACZMJKKPSA-N.webp?v=8)
![Chemical structure of (3aS,4S,6aR)-4-(8-(2-(2-(3-aminopropoxy)ethoxy)ethoxy)-5-oxooctyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 2,2,2-trifluoroacetate](/structures/w4/NFXGRJSOZRCYLM-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of (3aS,4S,6aR)-N-(2-Aminoethyl)hexahydro- 2-oxo-1H-thieno[3,4-d]imidazole-4-pentanamide](/structures/w4/SGNZEZHLDUVMMU-GRIHUTHFSA-N.webp?v=8)
![Chemical structure of (3aS,4S,6aR)-N-[2-[[3-[[3-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-3-oxopropyl]dithio]-1-oxopropyl]amino]ethyl]hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanamide](/structures/w4/LWPHUVGDBNUVHA-GXZWQRSESA-N.webp?v=8)
![Chemical structure of (3aS,4S,6aR)-N-[3-(11,12-Didehydrodibenz[b,f]azocin-5(6H)-yl)-3-oxopropyl]hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanamide](/structures/w4/ODZDNKWGVJPVBP-DPPGTGKWSA-N.webp?v=8)


![Chemical structure of 1,3-Dibenzyldihydro-1H-furo[3,4-d]-imidazole-2,4-(3H, 3aH)dione](/structures/w4/FGFSEMWCZBVRHG-UHFFFAOYSA-N.webp?v=8)

![Chemical structure of 10,13,16-Trioxa-6,20-diazapentacosanoic acid, 25-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-5,21-dioxo](/structures/w4/KUWCOOYXVSTSME-SKPFHBQLSA-N.webp?v=8)
![Chemical structure of 11-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)undecanoic acid](/structures/w4/JIXXNEUKRWLXPD-ZWOKBUDYSA-N.webp?v=8)
![Chemical structure of 12,15,18,21-Tetraoxa-2,8,24-triazanonacosanoic acid, 3-carboxy-29-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-9,25-dioxo-, 1-(9H-fluoren-9-ylmethyl) ester, (3S)](/structures/w4/PNYHBAKBBQCIDX-FWIWLVIWSA-N.webp?v=8)

![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, hexahydro-N-[2-[2-(2-hydroxyethoxy)ethoxy]ethyl]-2-oxo](/structures/w4/JMPJDHGWKSPEEE-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, hexahydro-N-[2-[2-[2-(2-mercaptoethoxy)ethoxy]ethoxy]ethyl]-2-oxo-, (3aS,4S,6aR)](/structures/w4/QTWUUKJOPWRRPP-ZOBUZTSGSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(14-azido-3,6,9,12-tetraoxatetradec-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)](/structures/w4/PVEHVEYAPUNCCP-LNLFQRSKSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(17-amino-3,6,9,12,15-pentaoxaheptadec-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)](/structures/w4/BYKYZTMBWRTPIJ-ZJOUEHCJSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(17-azido-3,6,9,12,15-pentaoxaheptadec-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)](/structures/w4/MKXKDMBFPMTVAW-ZJOUEHCJSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(20-azido-3,6,9,12,15,18-hexaoxaeicos-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)](/structures/w4/WTVVCWJIXLJVCQ-FUDKSRODSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(23-amino-3,6,9,12,15,18,21-heptaoxatricos-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)](/structures/w4/HRGIYGOBSBFLMX-LSQMVHIFSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(23-azido-3,6,9,12,15,18,21-heptaoxatricos-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)](/structures/w4/WOMFFURCOFOFGG-LSQMVHIFSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-[13-(4-formylphenyl)-13-oxo-3,6,9-trioxa-12-azatridec-1-yl]hexahydro-2-oxo-, (3aS,4S,6aR)-](/structures/w4/WATYQHRJBUTCIM-FIXSFTCYSA-N.webp?v=8)
![Chemical structure of 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-[13-[4-[(1E)-2-[5-(2-azidoethyl)-2-hydroxyphenyl]diazenyl]phenyl]-13-oxo-3,6,9-trioxa-12-azatridec-1-yl]hexahydro-2-oxo-, (3aS,4S,6aR)](/structures/w4/VQJUOWXTLWKWGJ-JLHXZSQLSA-N.webp?v=8)

![Chemical structure of 2,5-Dioxopyrrolidin-1-yl 11-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)undecanoate](/structures/w4/GLPJBFGUGLWLPE-JXQFQVJHSA-N.webp?v=8)
![Chemical structure of 2,5-Dioxopyrrolidin-1-yl 3-(2-(2-(5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)ethoxy)ethoxy)propanoate](/structures/w4/WOLXSUFTTIRQOU-YZMQBNFZSA-N.webp?v=8)



![Chemical structure of 3,6,9-Trioxa-12-azaheptadecanoic acid, 17-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-13-oxo](/structures/w4/TZOKSJSRBNCFAS-ZQIUZPCESA-N.webp?v=8)



![Chemical structure of 3-[2-N-(Biotinyl)aminoethyldithio]propanoic Acid](/structures/w4/LUKYYZVIDAWYMZ-MJVIPROJSA-N.webp?v=8)
![Chemical structure of 3-[[2-(Biotinylamino)ethyl]dithio]propanoic acid3-sulfo-N-hydroxysuccinimide ester sodiumsalt](/structures/w4/BFGIDNJHOWVNBU-XPXMTEPHSA-N.webp?v=8)

![Chemical structure of 4,7,10,13,19,22,25,28-Octaoxa-16,31-diazapentatriacontanoic acid, 35-(11,12-didehydrodibenz[b,f]azocin-5(6H)-yl)-16-[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]-32,35-dioxo-, 2,5-dioxo-1-pyrrolidinyl ester](/structures/w4/WGXIBGJQQHWGKY-SKHIDBIWSA-N.webp?v=8)
![Chemical structure of 4,7,10,13-Tetraoxa-16-azaheneicosanamide, N-[2-[[[(6-azidohexyl)oxy]diphenylsilyl]oxy]-2-methylpropyl]-21-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-17-oxo](/structures/w4/CSHHHVOFXKFHMG-OJXHMOJOSA-N.webp?v=8)
![Chemical structure of 4,7,10-Trioxa-13-azaoctadecanoic acid, 18-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-14-oxo-, 2,5-dioxo-1-pyrrolidinyl ester](/structures/w4/QIAUJZJSFIYGMH-HOIFWPIMSA-N.webp?v=8)


![Chemical structure of 41-oxo-45-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-4,7,10,13,16,19,22,25,28,31,34,37-dodecaoxa-40-azapentatetracontanoic acid](/structures/w4/AEMUKWXFLKZKMD-UEMWQVMZSA-N.webp?v=8)
![Chemical structure of 5,8,11,14,17,20-Hexaoxa-2,23-diazaoctacosanoic acid, 28-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-24-oxo-, 1,1-dimethylethyl ester](/structures/w4/GPAHMWALUHQIRB-GNKBHMEESA-N.webp?v=8)
![Chemical structure of 5-((3aR,4R,6aS)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-N-(3,6,9,12-tetraoxapentadec-14-yn-1-yl)pentanamide](/structures/w4/SKMJWNZZFUDLKQ-BJLQDIEVSA-N.webp?v=8)
![Chemical structure of 5-((3aS,4S,6aR)-3-ethyl-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic Acid](/structures/w4/UZOHFLKZKZIGNT-QXEWZRGKSA-N.webp?v=8)
![Chemical structure of 5-(5-Oxido-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid](/structures/w4/KCSKCIQYNAOBNQ-UHFFFAOYSA-N.webp?v=8)







![Chemical structure of [Biotinylamidoethyl]-dithiomethylenemalonic Acid Bis(2-aminoethanoic Acid)](/structures/w4/OPCNVNMNEYRYNE-LXIYXOSZSA-N.webp?v=8)
![Chemical structure of [Biotinylamidoethyl]-dithiomethylenemalonic Acid Bis(4-aminobutyric Acid)](/structures/w4/KDGXSMHQQNUTBY-UHFFFAOYSA-N.webp?v=8)











![Chemical structure of Biotin-[2-(2-pyridyldithio)ethylamide]](/structures/w4/MAJOROISBURONW-XEZPLFJOSA-N.webp?v=8)

































































![Chemical structure of Biotinylamidoethyl]-dithiomethylenemalonic Acid Bis(3-aminopropionic Acid)](/structures/w4/OXQIHBJKAUHXPU-AVYPCKFXSA-N.webp?v=8)
















![Chemical structure of ethyl 5-((3aS,4S,6aR)-1,3-dibenzyl-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoate](/structures/w4/TWAXWLMJDHDUMQ-LSQMVHIFSA-N.webp?v=8)



![Chemical structure of Hexanoic acid, 6-azido-, 1-[3-[[17-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-2,13-dioxo-6,9-dioxa-3,12-diazaheptadec-1-yl]oxy]phenyl]-2-oxo-2-phenylethyl ester](/structures/w4/JHYKDGNZEADRIH-ZPIGJYFOSA-N.webp?v=8)


![Chemical structure of N-(1-Amino-1-thioxo-5,8,11,14,17,20,23-heptaoxa-2-azapentacosan-25-yl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/XEDXGIZYMTXNSC-LSQMVHIFSA-N.webp?v=8)

![Chemical structure of N-(15-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-13-oxo-3,6,9-trioxa-12-azapentadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/OSIQQRWDJZNBFW-JXQFQVJHSA-N.webp?v=8)
![Chemical structure of N-(2-(2-(2-(2-(aminooxy)ethoxy)ethoxy)ethoxy)ethyl)-5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/OLCOSDGJNTXSBD-XZDBBAETSA-N.webp?v=8)
![Chemical structure of N-(2-(2-(2-(3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanamido)ethoxy)ethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/UDPCXVIKHFVPSZ-HOIFWPIMSA-N.webp?v=8)
![Chemical structure of N-(2-(2-(2-Azidoethoxy)ethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/OVEZMVONEJMGLZ-YDHLFZDLSA-N.webp?v=8)
![Chemical structure of N-(2-(2-(2-Azidoethoxy)ethoxy)ethyl)-5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/OVEZMVONEJMGLZ-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of N-(2-(2-Aminoethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/MJCKXPHJERSYIX-GVXVVHGQSA-N.webp?v=8)
![Chemical structure of N-(2-(2-Hydroxyethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/MWHYGWKFNDLVJC-GVXVVHGQSA-N.webp?v=8)
![Chemical structure of N-(2-aminoethyl)-5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/BNCJEZWKLUBUBB-UHFFFAOYSA-N.webp?v=8)

![Chemical structure of N-(2-Methyl-2-(((pent-4-yn-1-yloxy)diphenylsilyl)oxy)propyl)-1-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)-3,6,9,12-tetraoxapentadecan-15-amide](/structures/w4/DJUQDDBYPFLTPN-HKGQQODZSA-N.webp?v=8)
![Chemical structure of N-(24-Azido-12,20-dioxo-3,6,9-trioxa-16,17-dithia-13,21-diazatetracosyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/FVMIKTRZXCSAEY-MCEYFSPLSA-N.webp?v=8)
![Chemical structure of N-(29-Amino-3,6,9,12,15,18,21,24,27-nonaoxanonacosan-1-yl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide](/structures/w4/UHIKHSATVJGWOI-YCVJPRETSA-N.webp?v=8)
![Chemical structure of N-(35-Azido-3,6,9,12,15,18,21,24,27,30,33-undecaoxapentatriacontyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/WETRQYMCASPBIY-NPGLXDPKSA-N.webp?v=8)
![Chemical structure of N-(4-(3,5-Dioxohexyl)phenyl)-1-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)-3,6,9,12-tetraoxapentadecan-15-amide](/structures/w4/CJUCDLZQRUQWCG-OLWNVYNHSA-N.webp?v=8)
![Chemical structure of N-(5-Aminopentyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/CCSGGWGTGOLEHK-OBJOEFQTSA-N.webp?v=8)























![Chemical structure of rac Biotin-[D4] in acetonitrile](/structures/w4/YBJHBAHKTGYVGT-CCSQOTJNSA-N.webp?v=8)

![Chemical structure of Rel 16-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoyl)-4,7,10,13,19,22,25,28-octaoxa-16-azahentriacontanedioic acid](/structures/w4/PBACTYCVXZZFPD-MMXANPLTSA-N.webp?v=8)
![Chemical structure of Rel 3,3'-((2-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)propane-1,3-diyl)bis(oxy))dipropionic acid](/structures/w4/NRIDXCVOVMVZJD-DEYYWGMASA-N.webp?v=8)
![Chemical structure of rel 3-(2-(2-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)ethoxy)ethoxy)propanoic acid](/structures/w4/SDOAIZRTYJIBBG-XEZPLFJOSA-N.webp?v=8)

![Chemical structure of rel N-(15-(4,4-dimethyl-2,6-dioxocyclohexylidene)-3,6,9,12-tetraoxa-16-azanonadec-18-yn-1-yl)-5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/BDJHEZRAKBBIJH-UCVANPEUSA-N.webp?v=8)
![Chemical structure of rel N-(19-azido-15-(4,4-dimethyl-2,6-dioxocyclohexylidene)-3,6,9,12-tetraoxa-16-azanonadecyl)-5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/WAGQAVIHHLSDJC-LFERIPGTSA-N.webp?v=8)
![Chemical structure of rel N-(2-(2-(2-(3-hydrazineyl-3-oxopropoxy)ethoxy)ethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/DLMSZDYSRRYIJV-MPGHIAIKSA-N.webp?v=8)
![Chemical structure of rel N-(3-(2-(2-(3-aminopropoxy)ethoxy)ethoxy)propyl)-5-((3aR,4R,6aS)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/XNGTVIOREZIKAE-VBIIVCKISA-N.webp?v=8)
![Chemical structure of rel-Methyl 27-azido-16-[5-[(3aR,4R,6aS)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]-4,7,10,13,19,22,25-heptaoxa-16-azaheptacosanoate](/structures/w4/ZZZFELOBFYPAJE-HCRCYYOUSA-N.webp?v=8)
![Chemical structure of rel-N-(2-(2-(2-(2-hydroxyethoxy)ethoxy)ethoxy)ethyl)-5-((3aR,4R,6aS)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide](/structures/w4/ZXIIDTTUJDVFCP-BFYDXBDKSA-N.webp?v=8)
![Chemical structure of Succinimidyl-6-[6-(biotinamido)caproyl]caproylate](/structures/w4/ATYCFNRXENKXSE-MHPIHPPYSA-N.webp?v=8)

![Chemical structure of Sulfosuccinimidyl 3-[[2-(Biotinamido)ethyl] dithio]propionate Sodium Salt](/structures/w4/IBKZNJXGCYVTBZ-IDBHZBAZSA-M.webp?v=8)

![Chemical structure of Tert-butyl (2-(2-(2-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)ethoxy)ethoxy)ethyl)carbamate](/structures/w4/GCMGCUOONLVCAK-BQFCYCMXSA-N.webp?v=8)




































