Letrozole EP Impurity B
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-L038-003
- CAS
- 113402-31-6
- Formula
- C22H13N3
- Family
- Letrozole
- Synonyms
- 4,4',4''-Methanetriyltribenzonitrile, 4-[bis(4-cyanophenyl)methyl]benzonitrile
Pharmaceutical analytical standards
APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.
Results 50,621-50,630 of 59,523
Letrozole Mono-Amide Impurity
ImpurityLevels of characterisation
- Cat. No.
- P-L038-022
- CAS
- 2500927-47-7
- Formula
- C17H13N5O
- Family
- Letrozole
- Synonyms
- Letrozole Impurity 4, Letrozole Mono-Amide
Letrozole-d4
Isotopically labelledLevels of characterisation
- Cat. No.
- P-L038-005
- CAS
- 1133712-96-5
- Formula
- C17H7D4N5
- Family
- Letrozole
- Synonyms
- Letrozole-d4 (major), Lelrozol
Levocabastine Hydrochloride EP Impurity A
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-L045-003
- CAS
- 1348822-76-3
- Formula
- C26H30N2O2
- Family
- Levocabastine
- Synonyms
- Desfluoro Cabastine, Levocabastine EP Impurity A (Free Base)
Levocabastine Hydrochloride EP Impurity D
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-L045-006
- CAS
- 80139-90-8
- Formula
- C25H27FN2O2
- Family
- Levocabastine
- Synonyms
- Levocabastine EP Impurity D (Free Base)
Levocabastine Hydrochloride EP Impurity E
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-L045-007
- CAS
- 105452-51-5
- Formula
- C26H29FN2O2
- Family
- Levocabastine
Levocabastine Hydrochloride EP Impurity F
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-L045-008
- CAS
- 785021-81-0
- Formula
- C13H17NO2
- Family
- Levocabastine
- Synonyms
- Levocabastine EP Impurity F, Levocabastine EP Impurity F (Free Base)
Levocabastine Hydrochloride EP Impurity H
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-L045-010
- CAS
- 56326-98-8
- Formula
- C13H12FNO
- Family
- Levocabastine
- Synonyms
- 1-(4-Fluorophenyl)-4-oxocyclohexanecarbonitrile, 1-(4-fluorophenyl)-4-oxocyclohexane-1-carbonitrile
Levocabastine Hydrochloride EP Impurity I
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-L045-011
- CAS
- 105452-52-6
- Formula
- C26H29FN2O2
- Family
- Levocabastine
- Synonyms
- Levocabastine EP Impurity I (Free Base)
Levocabastine Impurity 1
ImpurityLevels of characterisation
- Cat. No.
- P-L045-017
- CAS
- 179064-61-0
- Formula
- C13H12FNO
- Family
- Levocabastine
- Synonyms
- 1-(2-Fluorophenyl)-4-oxocyclohexane-1-carbonitrile, Cyclohexanecarbonitrile, 1-(2-fluorophenyl)-4-oxo-
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