Methotrexate EP Impurity I
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M085-015
- CAS
- 66147-29-3
- Formula
- C21H24N8O5
- Family
- Methotrexate
- Synonyms
- Methotrexate-1-Monomethyl Ester, Methotrexate 1-methyl ester
Pharmaceutical analytical standards
Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.
Results 1,711-1,720 of 5,812
Methotrexate EP Impurity I Enantiomer
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M085-016
- CAS
- 440339-37-7
- Formula
- C21H24N8O5
- Family
- Methotrexate
Methotrexate EP Impurity J
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M085-018
- CAS
- 34378-65-9
- Formula
- C22H26N8O5
- Family
- Methotrexate
- Synonyms
- Methotrexate Dimethyl Ester, Dimethyl methotrexate
Methotrexate EP Impurity L
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M085-019
- CAS
- 52980-68-4
- Formula
- C13H16N2O5
- Family
- Methotrexate
- Synonyms
- N-(p-(Methylamino)benzoyl)glutamic acid, N-(4-(Methylamino)benzoyl)-L-glutamic acid
Methotrexate EP Impurity L Disodium salt
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M085-020
- CAS
- 57444-71-0
- Formula
- C13H14N2Na2O5
- Family
- Methotrexate
- Synonyms
- disodium N-(4-(methylamino)benzoyl)-L-glutamate
Methotrexate EP Impurity L Enantiomer
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M085-021
- CAS
- 52030-86-1
- Formula
- C13H16N2O5
- Family
- Methotrexate
- Synonyms
- Methotrexate Impurity31, Methotrexate Impurity 29
Methylprednisolone Acetate EP Impurity A (20R Isomer)
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M098-006
- CAS
- 93963-74-7
- Formula
- C24H34O6
- Family
- Methylprednisolone
- Synonyms
- 6alpha-Methyl-20(R)-hydroxy Prednisolone 21-Acetate
Methylprednisolone Acetate EP Impurity A (Mixture of Diastereomers)
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M098-005
- CAS
- 151003-82-6
- Formula
- C24H34O6
- Family
- Methylprednisolone
- Synonyms
- Methylprednisolone Acetate EP Impurity A
Methylprednisolone Acetate EP Impurity C
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M098-007
- CAS
- 58636-50-3
- Formula
- C22H28O5
- Family
- Methylprednisolone
- Synonyms
- 21-Dehydro-6alpha-Methylprednisolone, Partially Hydrated, Methylprednisolone Impurity N1
Methylprednisolone Acetate EP Impurity D
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-M098-008
- CAS
- 150899-33-5
- Formula
- C22H28O4
- Family
- Methylprednisolone
- Synonyms
- Methylprednisolone Impurity 32, 2-[(6S,8S,9S,10R,11S,13S,14S,17S)-11-Hydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde
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