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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N1-Nitroso Rilpivirine
IN STOCKRS-U210EYQ -
N-Nitroso Ramosetron
IN STOCKRS-U210EYR -
N2-Nitroso Relebactam
CUSTOM SYNTHESISRS-U210EYS -
(N1,N2)-Nitroso Relebactam
BACK ORDERRS-U210EYT -
N-Nitroso-N-Demethyl Roxithromycin; N-Nitroso Roxithro
BACK ORDERRS-U210EYU -
N-Nitroso-Sapropterin-1
IN STOCKRS-U210EYV -
N-Nitroso-Sapropterin-2
IN STOCKRS-U210EYW -
N-Nitroso Roflumilast
BACK ORDERRS-U210EYX -
N-Nitroso-Desmethyl-Spiramycin
CUSTOM SYNTHESISRS-U210EYY -
N,N'-Di-Nitroso-Di-Desmethyl-Spiramycin
BACK ORDERRS-U210EYZ -
N-Nitroso Hyoscine
CUSTOM SYNTHESISRS-U210EZ0 -
N-Nitroso-Desethyl Sulpiride
IN STOCKRS-U210EZ1 -
N,N'-Di-Nitroso Sunvozertinib
BACK ORDERRS-U210EZ2 -
N-Nitroso Thiamazole; N-Nitroso Methimazole
IN STOCKRS-U210EZ3 -
N-Nitroso Dehydro Tizanidine
IN STOCKRS-U210EZ4 -
N-Nitroso-N-Acetyl Tizanidine
IN STOCKRS-U210EZ5 -
N-Nitroso Topiroxostat
IN STOCKRS-U210EZ6 -
N'-Nitroso Troxipide
CUSTOM SYNTHESISRS-U210EZ7 -
N-Nitroso Talazoparib
BACK ORDERRS-U210EZ8 -
N-Nitroso Thiotriazolin
CUSTOM SYNTHESISRS-U210EZ9 -
N-Nitroso-Desmethyl-Tapentadol
IN STOCKRS-U210EZA -
N''-Nitroso-Tucatinib
BACK ORDERRS-U210EZB -
N-Nitroso Vorasidenib
BACK ORDERRS-U210EZC -
N,N'-Di-Nitroso Vorasidenib
BACK ORDERRS-U210EZD -
N-Nitroso Varenicline-D4
CUSTOM SYNTHESISRS-U210EZE -
N-Nitroso-Venlafaxine
CUSTOM SYNTHESISRS-U210EZF -
N-Nitroso Venlafaxine EP Impurity-D3
IN STOCKRS-U210EZG -
N-Nitroso Valsartan Methyl Ester
CUSTOM SYNTHESISRS-U210EZH -
Trans-Clopidogrel Thiol Metabolite-D3
IN STOCKRS-U210EZI -
Glucuronic AcidImpurity 37
IN STOCKRS-U210EZJ -
Sufentanil Epimpurity G
BACK ORDERRS-U210EZL -
Aldehyde- DBCO-PEG3-Semaglutide Impurity 154
BACK ORDERRS-U210EZM -
D-Glu3-Semaglutide Impurity
BACK ORDERRS-U210EZN -
Triflumizole Metabolite Fm-1-1
CUSTOM SYNTHESISRS-U210EZO -
Timolol MaleateImpurity 35
IN STOCKRS-U210EZP -
Timolol MaleateImpurity 36
IN STOCKRS-U210EZQ -
N-octylacrylamide
CUSTOM SYNTHESISRS-U211FM4 -
2,3-Dihydroxybutane-1,4-Diyl Diacetate
IN STOCKRS-U211G7A -
6-O-Nicotinoylbarbatin C
BACK ORDERRS-U211G8E -
Labetalol Impurity 53
IN STOCKRS-U211GFW -
Brensocatib Impurity 3
CUSTOM SYNTHESISRS-U211GGS -
Cyclo(Phe-Hpro)
IN STOCKRS-U211HBP -
2-(Morpholinothio)benzothiazole
IN STOCKRS-U211KAY -
2-(hydroxymethyl)pyridine 1-oxide
IN STOCKRS-U211LCI -
3-Nitropicolinaldehyde
IN STOCKRS-U211LCM -
Trans-1-Bromo-4-Chloro-2-Butene
CUSTOM SYNTHESISRS-U211LCS -
Fenchlorazole
IN STOCKRS-U211LD1 -
Tert-Butyl 2-Amino-4-(4-Methylpiperazin-1-Yl)Benzoate
IN STOCKRS-U211LDF -
Cyclo(Ile-Val)
CUSTOM SYNTHESISRS-U211LE4 -
2'-Amino-2'-Deoxyadenosine
IN STOCKRS-U211LE6 -
O-(3-Hydroxypropyl) Methanethioate
IN STOCKRS-U211LEF -
1,1,2,2-Tetrafluoro-2-(1,1,2,2-Tetrafluoroethoxy)Ethan
CUSTOM SYNTHESISRS-U211LEN -
2-Hydroxy-N,N-Dimethylethanamine Oxide
IN STOCKRS-U211LES -
2H-benzo[e][1,3]thiazine-2,4(3H)-dione
CUSTOM SYNTHESISRS-U211LF5 -
Methyl (2R,3S)-3-(4-Methoxyphenyl)Oxirane-2-Carboxylat
IN STOCKRS-U211LFE -
Ethyl 3-(Methylamino)Acrylate
IN STOCKRS-U211LFH -
3′,4′,5′-Trifluoro-2-nitro-1,1′-biphenyl
CUSTOM SYNTHESISRS-U211LFI -
3-Benzylrhodanine
IN STOCKRS-U211LFL -
Stigmastanol Impurity 4; B-Sitostenone
BACK ORDERRS-U211LFM -
(9Z)-9-Hexadecenamide
IN STOCKRS-U211LFV
![Chemical structure of 2H-benzo[e][1,3]thiazine-2,4(3H)-dione](/structures/w4/IZQGCATXOBZJQL-UHFFFAOYSA-N.webp?v=9)
38,635 products · 644 pages