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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 53,001-53,010 of 59,523

Risedronate EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R067-003
CAS
105462-23-5
Formula
C7H11NO7P2
Family
Risedronate
Synonyms
Risedronate 2-pyridinyl isomer, Phosphonic acid, P,P'-(1-hydroxy-2-(2-pyridinyl)ethylidene)bis-

Risedronate EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R067-004
CAS
105462-25-7
Formula
C7H11NO7P2
Family
Risedronate
Synonyms
Risedronate Impurity C, Risedronate 4-pyridinyl isomer

Risedronate EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R067-005
CAS
501-81-5
Formula
C7H7NO2
Family
Risedronate
Synonyms
3-Pyridylacetic Acid Hydrochloride, 3-Pyridineacetic acid

Risedronate EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R067-006
CAS
75755-10-1
Formula
C7H11NO6P2
Family
Risedronate
Synonyms
Deoxy risedronic acid, Phosphonic acid, P,P'-(2-(3-pyridinyl)ethylidene)bis-

Risedronic Acid-d4

Isotopically labelledLevels of characterisation
Cat. No.
P-R067-007
CAS
1035438-80-2
Formula
C7H7D4NO7P2
Family
Risedronate
Synonyms
Risedronic Acid-d4 (Major)

Silybin A

ImpurityLevels of characterisation
Cat. No.
P-S043-012
CAS
22888-70-6
Formula
C25H22O10
Family
Silybin
Synonyms
Silymarin I, Silymarine I

Silybin B

ImpurityLevels of characterisation
Cat. No.
P-S043-013
CAS
142797-34-0
Formula
C25H22O10
Family
Silybin
Synonyms
Silibinin B, Silymarin B

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