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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Active ingredients from A to Z →

Results 4,661-4,670 of 5,812

Amphotericin B EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A144-002
CAS
1405-32-9
Formula
C47H75NO17
Family
Amphotericin B
Synonyms
Amphotericin A (28, 29-Dihydro-Amphotericin B), Amphotericin A

Amphotericin B EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A144-003
CAS
136135-57-4
Formula
C48H75NO17
Family
Amphotericin B
Synonyms
Amphotericin X1 (13-O-Methyl Amphotericin B), Amphotericin X1

Buprenorphine EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B142-003
CAS
457071-73-7
Formula
C29H41NO4
Family
Buprenorphine
Synonyms
N-(3-Butenyl)norbuprenorphine, N-(3-Butenyl)norbuprenorphine (1.0mg/ml in Acetonitrile)

Buprenorphine EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B142-005
CAS
16614-60-1
Formula
C27H36N2O4
Family
Buprenorphine
Synonyms
N-Cyano-3-O-methyl Norbuprenorphine, N-Cyano-3-O-methyl Norbuprenorphine (1mg/ml in Acetonitrile)

Buprenorphine EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B142-006
CAS
16524-65-5
Formula
C30H43NO4
Family
Buprenorphine
Synonyms
Buprenorphine 3-O-Methyl Ether, Buprenorphine 3-O-Methyl Ether (1mg/ml in Acetonitrile)

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

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