Catalog division
Impurity Reference Standards
Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.
(E)-S-Benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)ethanethioate
- CAS
- 1684396-27-7
- Formula
- C13H10N4O2S3
- MW
- 350.4 g/mol
ZX-023865
(E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester
- CAS
- 321571-07-7
- Formula
- C12H14N4O4
- MW
- 278.26 g/mol
ZX-020549
(E/Z)-3-alpha-hydroxy-6-ethylidene-7-keto-5-beta-cholan-24-oic acid Methyl ester
- CAS
- 863239-59-2
- Formula
- C27H42O4
- MW
- 430.6 g/mol
ZX-030916
(Pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-((hydroxymethyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
- CAS
- 2254227-50-2
- Formula
- C26H30N6O8S3
- MW
- 650.8 g/mol
ZX-023828
(R,E)-4-((3-(3-(Diisopropylamino)-1-phenylpropyl)-4-hydroxybenzyl)oxy)-4-oxobut-2-enoic Acid
- CAS
- 1428856-47-6
- Formula
- C26H33NO5
- MW
- 439.5 g/mol
ZX-029487
(R,E)-5-([1,1'-Biphenyl]-4-yl)-4-amino-2-methylpent-2-enoic acid
- CAS
- 2459446-56-9
- Formula
- C18H19NO2
- MW
- 281.3 g/mol
ZX-032360
(R,E)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-((tert-butoxycarbonyl)aMino)-2-Methylpent-2-enoate
- CAS
- 1817838-91-7
- Formula
- C25H31NO4
- MW
- 409.5 g/mol
ZX-026869
(R,R,R)-2-Azabicyclo[3.3.0]octane-3-carboxylic Acid Benzyl Ester Hydrochloride Salt
- CAS
- 138877-09-5
- Formula
- C15H20ClNO2
- MW
- 281.78 g/mol
ZX-026655
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.