Rifampicin EP Impurity B
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-R053-003
- CAS
- 125833-03-6
- Formula
- C43H58N4O13
- Family
- Rifampicin
- Synonyms
- Rifampicin N-Oxide, Rifamycin, 3-(((4-methyl-1-piperazinyl)imino)methyl)-, n-oxide
Pharmaceutical analytical standards
APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.
Results 47,411-47,420 of 59,523
Rifampicin Impurity 4
ImpurityLevels of characterisation
- Cat. No.
- P-R053-022
- CAS
- 2434805-76-0
- Formula
- C44H60N4O13
- Family
- Rifampicin
Rifampicin Isonicotinyl Hydrazone
ImpurityLevels of characterisation
- Cat. No.
- P-R053-032
- CAS
- 13292-53-0
- Formula
- C44H52N4O13
- Family
- Rifampicin
- Synonyms
- Rifampicin Impurity 1 (Mixture of Z and E Isomers), 3-(Isonicotinoylhydrazonomethyl) Rifamycin
4-(Cyclopropylmethoxy)-3-(difluoromethoxy) Roflumilast
ImpurityLevels of characterisation
- Cat. No.
- P-R080-019
- CAS
- 162401-43-6
- Formula
- C17H14Cl2F2N2O3
- Family
- Roflumilast
- Synonyms
- RofluMi, RoflumilastImpurityA
Roflumilast Dimer
ImpurityLevels of characterisation
- Cat. No.
- P-R080-022
- CAS
- 1352122-37-2
- Formula
- C29H24Cl2F4N2O6
- Family
- Roflumilast
Roflumilast Impurity 1
ImpurityLevels of characterisation
- Cat. No.
- P-R080-014
- CAS
- 1882067-44-8
- Formula
- C12H12F2O4
- Family
- Roflumilast
- Synonyms
- 3-(3-Buten-1-yloxy)-4-(difluoromethoxy)benzoic acid, 3-but-3-enoxy-4-(difluoromethoxy)benzoic acid
Roflumilast Impurity 2
ImpurityLevels of characterisation
- Cat. No.
- P-R080-016
- CAS
- 2376345-94-5
- Formula
- C12H12F2O4
- Family
- Roflumilast
- Synonyms
- 3-Cyclobutoxy-4-(difluoromethoxy)benzoic Acid, 3-cyclobutyloxy-4-(difluoromethoxy)benzoic acid
Roflumilast Impurity 7
ImpurityLevels of characterisation
- Cat. No.
- P-R080-028
- CAS
- 2407572-31-8
- Formula
- C10H6Cl2N4
- Family
- Roflumilast
Roflumilast N-Oxide
ImpurityLevels of characterisation
- Cat. No.
- P-R080-031
- CAS
- 292135-78-5
- Formula
- C17H14Cl2F2N2O4
- Family
- Roflumilast
- Synonyms
- Benzamide, 3-(cyclopropylmethoxy)-N-(3,5-dichloro-1-oxido-4-pyridinyl)-4-(difluoromethoxy)-, N-(3,5-Dichloro-1-oxopyridin-4-yl)-4-difluoromethoxy-3-cyclopropylmethoxybenzamide
Roflumilast N-Oxide-d4
Isotopically labelledLevels of characterisation
- Cat. No.
- P-R080-006
- CAS
- 1794760-31-8
- Formula
- C17H10D4Cl2F2N2O4
- Family
- Roflumilast
- Synonyms
- Roflumilast-d4 N-Oxide
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