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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

APIs from A to Z →

Results 51,191-51,200 of 59,523

Buprenorphine EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B142-007
CAS
130668-48-3
Formula
C28H39NO4
Family
Buprenorphine
Synonyms
6-O-Desmethyl Buprenorphine, Desmethyl Buprenorphine

Buprenorphine EP Impurity J

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B142-012
CAS
155203-05-7
Formula
C29H39NO4
Family
Buprenorphine
Synonyms
18,19-Dehydrobuprenorphine, Ethenobuprenorphine

Butamirate Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-B151-004
CAS
594823-51-5
Formula
C17H14N2O3
Family
Butamirate
Synonyms
1,2,3,6-Tetrahydro-2-oxo-5,6-diphenyl-4-pyrimidinecarboxylic Acid, 2-oxo-4,5-diphenyl-3,4-dihydro-1H-pyrimidine-6-carboxylic acid

Butamirate Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-B151-006
CAS
1632-49-1
Formula
C18H13NO4
Family
Butamirate
Synonyms
3,4-Diphenyl-1H-pyrrole-2,5-dicarboxylic acid

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