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Pharmaceutical analytical standards

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

Active ingredients from A to Z →

Results 5,361-5,370 of 5,812

Promazine EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-P206-002
CAS
146-21-4
Formula
C17H20N2OS
Family
Promazine
Synonyms
Promazine 5-sulfoxide, N,N-dimethyl-3-(5-oxophenothiazin-10-yl)propan-1-amine

Rifabutin EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R052-002
CAS
72544-16-2
Formula
C9H17NO
Family
Rifabutin
Synonyms
1-Isobutyl-4-piperidone, 1-(2-methylpropyl)piperidin-4-one

Rifabutin EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R052-003
CAS
51756-80-0
Formula
C37H46N2O12
Family
Rifabutin
Synonyms
3-Amino Rifamycin S, 3-Aminorifamycin S

Rifabutin EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R052-004
CAS
2241829-23-0
Formula
C46H60N4O11
Family
Rifabutin
Synonyms
21,31-Didehydro Rifabutin, 21,31-Didehydrorifabutin

Rifabutin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R052-005
CAS
62041-01-4
Formula
C37H47N3O11
Family
Rifabutin
Synonyms
3-Amino-4-Imido Rifamycin S, 3-Amino-4-deoxo-4-iminorifamycin S

Rifabutin EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R052-006
CAS
100324-63-8
Formula
C44H60N4O10
Family
Rifabutin
Synonyms
Rifamycin XIV, 25-O-deacetyl-1',4-didehydro-1-deoxy-1,4-dihydro-5'-(2-methylpropyl)-1-oxo-

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