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VAQORACHEMICALS
Pharma QC & R&D

Impurity reference standards by API

Process impurities, degradation products, metabolites, nitrosamines and stable-isotope-labelled standards, grouped by active pharmaceutical ingredient, for method validation, stability studies and ANDA/DMF filings.

2,516APIs covered
28,912reference materials
mg–gpack sizes

A

B

C

D

E

F

L

M

N

P

S

T

Need an impurity that is not listed?

Our custom synthesis team prepares and characterises unlisted impurities, metabolites and labelled analogues — send the structure or CAS number.