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.
Diltiazem Trans-(-)-Hydroxy Lactam (S,R-isomer)
- CAS
- 132830-16-1
- Formula
- C16H15NO3S
- MW
- 301.4 g/mol
ZX-026061
Dimethoxy Empagliflozin Impurity (Mixture of Diastereomers)
- CAS
- 1800196-50-2
- Formula
- C25H31ClO9
- MW
- 511 g/mol
ZX-004624
Dimethyl 2 6 dimethyl 4 phenyl 1 4 dihydropyridine 3 5 dicarboxylate
- CAS
- 70677-78-0
- Formula
- C17H19NO4
- MW
- 301.34 g/mol
ZX-027990
Dimethyl 2-(4-(methoxycarbonyl)-2-nitrophenyl)malonate
- CAS
- 1160293-27-5
- Formula
- C13H13NO8
- MW
- 311.24 g/mol
ZX-022283
Dimethyl 2-[2-(2-amino-6-chloropurin-9-yl)ethyl]malonate
- CAS
- 172529-93-0
- Formula
- C12H14ClN5O4
- MW
- 327.72 g/mol
ZX-031766
Dimethyl 2,2'-(4-isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylate)
- CAS
- 1330632-47-7
- Formula
- C22H24N2O5S2
- MW
- 460.6 g/mol
ZX-029461
Dimethyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate
- CAS
- 76258-20-3
- Formula
- C17H16N2O6
- MW
- 344.32 g/mol
ZX-030818
Dimethyl 8-hydroxy-2,2,14,14-tetramethylpentadecanedioate
- CAS
- 2511500-14-2
- Formula
- C21H40O5
- MW
- 372.5 g/mol
ZX-020795
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.