QCS reference standards
Reference standards published in the QCS catalogue, listed with CAS number, molecular formula, molecular weight and structure where available.
38,635 products · 644 pages
QCS products
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Dinoprost Trometamol Impurity 5
IN STOCKRS-U211ME1 -
Prostaglandin E1 Alcohol
IN STOCKRS-U211ME8 -
Cyclo(L-Tyr-L-Val)
IN STOCKRS-U211MEK -
Methyl Propyl Disulfide
IN STOCKRS-U211MEN -
2-Bromo-3-Oxo-N-Phenylbutanamide
IN STOCKRS-U211MEY -
Ethyl 2-Diazo-2-Phenylacetate
IN STOCKRS-U211MF7 -
propyl methacrylate
IN STOCKRS-U211MF9 -
3-Disulfanylpropanoic Acid
CUSTOM SYNTHESISRS-U211MFA -
11-Hydroxytabersonine
IN STOCKRS-U211MFC -
Benzothioamide
IN STOCKRS-U211MFJ -
Methyl (S)-4-Amino-3-((Oxetan-2-Ylmethyl)Amino)Benzoat
IN STOCKRS-U211MFK -
(Methylsulfonyl)Methanesulfonyl Chloride
IN STOCKRS-U211MFL -
Epichlorohydrin Impurity 1
IN STOCKRS-U211MFP -
Morphardenafil
BACK ORDERRS-U211MFX -
3,5-Dichloro-1,2,4-Thiadiazole
IN STOCKRS-U211MG2 -
8H-Phthalazino[1,2-B]Quinazoline
IN STOCKRS-U211MG5 -
(4-(Methylsulfonyl)Phenyl)Methanol
IN STOCKRS-U211MGH -
2,2'-(Methylenebis(Sulfanediyl))Diethanamine
CUSTOM SYNTHESISRS-U211MGM -
3-(Methylnitrosoamino)phenol
IN STOCKRS-U211MGT -
10-Hydroxyhexadecanoic Acid
IN STOCKRS-U211MGU -
2-(Tert-Butoxycarbonyl)-2-Azaspiro[3.4]Octane-5-Carbox
IN STOCKRS-U211MGW -
(1S,2S)-2-Amino-1,2-Diphenylethan-1-Ol
IN STOCKRS-U211MH3 -
(S)-2-amino-6-(trimethylammonio)hexanoate
IN STOCKRS-U211MH8 -
Ibutilide Impurity 8
CUSTOM SYNTHESISRS-U211MHA -
(3S,6S)-3,6-Bis(Hydroxymethyl)Piperazine-2,5-Dione
IN STOCKRS-U211MHC -
Pentane-1,5-Diyl Dimethanesulfonate
IN STOCKRS-U211MHW -
2-Heptanamidoacetic Acid
IN STOCKRS-U211MHY -
Clenbuterol Impurity 11
IN STOCKRS-U211MI1 -
5-Chloro-4-Ethoxy-2-Oxo-1,2-Dihydropyridine-3-Carbonit
IN STOCKRS-U211MI3 -
5-Methoxy-4,6-Dimethylbenzene-1,3-Diol
CUSTOM SYNTHESISRS-U211MI4 -
Argininosuccinic acid
IN STOCKRS-U211MI8 -
Fluorescent Brightener Ob-2
BACK ORDERRS-U211MIH -
(S,1E,6E)-8-Isopropyl-1-Methyl-5-Methylenecyclodeca-1,
IN STOCKRS-U211MIJ -
Tetrahydrofurfuryl acrylate
IN STOCKRS-U211MIK -
2-Methylthiazolidine
IN STOCKRS-U211MIR -
7-Hydroxy-5-Methoxy-4-Methylisobenzofuran-1(3H)-One
IN STOCKRS-U211MIZ -
N5-((R)-1-((Carboxymethyl)Amino)-3-(Hexylthio)-1-Oxopr
IN STOCKRS-U211MJA -
Methyl Isonicotinate
IN STOCKRS-U211MJL -
Dexamethasone Impurity 164
IN STOCKRS-U211MJN -
2-(Hydroxyimino)Cyclohexanone
CUSTOM SYNTHESISRS-U211MJW -
2-Oxohexanoic Acid
IN STOCKRS-U211MK0 -
2-Amino-2-(2-Methylenecyclopropyl)Acetic Acid
IN STOCKRS-U211MKA -
Tauro-α-Muricholic Acid
BACK ORDERRS-U211MKR -
Tauro-B-Muricholic Acid
BACK ORDERRS-U211MKY -
2-Amino-7-Ethylpteridin-4(3H)-One
IN STOCKRS-U211MKZ -
4-Ureidobutanoic Acid
IN STOCKRS-U211MLD -
L-Isoascorbic acid
IN STOCKRS-U211MLE -
Fluridil
BACK ORDERRS-U211MLF -
Hexaethylphosphoramide
IN STOCKRS-U211MLJ -
2-Methyl-N1,N3-Di-O-Tolylbenzene-1,3-Diamine
IN STOCKRS-U211MLR -
3,3-dichlorobutan-2-one
IN STOCKRS-U211MLY -
Sodium (R,E)-2-(Cyclohexa-1,4-Dien-1-Yl)-2-((4-Methoxy
IN STOCKRS-U211MM5 -
7-Methyloctanoic Acid
IN STOCKRS-U211MM8 -
N-(4-Acetylphenyl)Acetamide
IN STOCKRS-U211MMG -
Protostemonine
BACK ORDERRS-U211MMV -
2-(Dimethyl(Octyl)Ammonio)Acetate
IN STOCKRS-U211MMZ -
2,4-bis(2-phenylpropan-2-yl)phenol
IN STOCKRS-U211MN4 -
Tabersonine Impurity 3
CUSTOM SYNTHESISRS-U211MN6 -
β-D-Mannopyranose, 1,2-O-(1-ethoxyethylidene)-, 3,4,6-
IN STOCKRS-U211MNM -
6-Morpholino-1,3,5-Triazine-2,4-Diamine
IN STOCKRS-U211MNX
![Chemical structure of 8H-Phthalazino[1,2-B]Quinazoline](/structures/w4/BHVBFAPQGGCUSA-UHFFFAOYSA-N.webp?v=9)
![Chemical structure of 2-(Tert-Butoxycarbonyl)-2-Azaspiro[3.4]Octane-5-Carbox](/structures/w4/QTKBRNPDAUFWEE-UHFFFAOYSA-N.webp?v=9)
38,635 products · 644 pages