Pyrantel EP Impurity C
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-P235-004
- CAS
- 98-03-3
- Formula
- C5H4OS
- Family
- Pyrantel
- Synonyms
- 2-Thiophenecarboxaldehyde, thiophene-2-carbaldehyde
Pharmaceutical analytical standards
APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.
Results 55,241-55,250 of 59,523
Pyrantel Impurity D
ImpurityLevels of characterisation
- Cat. No.
- P-P235-008
- CAS
- 4271-96-9
- Formula
- C6H12N2
- Family
- Pyrantel
- Synonyms
- 1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine, 1,2-dimethyl-5,6-dihydro-4H-pyrimidine
Pyridostigmine Bromide EP Impurity A
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-P238-003
- CAS
- 51581-32-9
- Formula
- C8H10N2O2
- Family
- Pyridostigmine
- Synonyms
- Pyridin-3-yl Dimethylcarbamate, Norpyridostigmine
Pyridostigmine Bromide EP Impurity B
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-P238-004
- CAS
- 31034-86-3
- Formula
- C6H8BrNO
- Family
- Pyridostigmine
- Synonyms
- 3-Hydroxy-1-methylpyridinium bromide, 1-methylpyridin-1-ium-3-ol bromide
Pyridostigmine EP Impurity B
Pharmacopoeial impurityLevels of characterisation
- Cat. No.
- P-P238-002
- CAS
- 4685-07-8
- Formula
- C6H8NO
- Family
- Pyridostigmine
- Synonyms
- 1-Methylpyridin-1-ium-3-ol
Pyridostigmine-d3 Bromide
Isotopically labelledLevels of characterisation
- Cat. No.
- P-P238-005
- CAS
- 1633751-00-4
- Formula
- C9H10N2O2D3·Br
- Family
- Pyridostigmine
- Synonyms
- Pyridostigmine-d3 Bromide (1-methyl-d3)
Pyridostigmine-d6 Bromide
Isotopically labelledLevels of characterisation
- Cat. No.
- P-P238-006
- CAS
- 2375858-08-3
- Formula
- C9H7D6N2O2·Br
- Family
- Pyridostigmine
Raltitrexed Impurity 1
ImpurityLevels of characterisation
- Cat. No.
- P-R008-004
- CAS
- 2135790-65-5
- Formula
- C21H20N4O5S
- Family
- Raltitrexed
- Synonyms
- N-[(3S)-2,6-Dioxooxan-3-yl]-5-[methyl-[(2-methyl-4-oxo-3H-quinazolin-6-yl)methyl]amino]thiophene-2-carboxamide
Raltitrexed Impurity 4
ImpurityLevels of characterisation
- Cat. No.
- P-R008-007
- CAS
- 859855-64-4
- Formula
- C17H17N3O3S
- Family
- Raltitrexed
- Synonyms
- Methyl 5-[methyl-[(2-methyl-4-oxo-3H-quinazolin-6-yl)methyl]amino]thiophene-2-carboxylate
Raltitrexed Impurity 5
ImpurityLevels of characterisation
- Cat. No.
- P-R008-008
- CAS
- 138899-69-1
- Formula
- C16H15N3O3S
- Family
- Raltitrexed
- Synonyms
- 5-[Methyl-[(2-methyl-4-oxo-1H-quinazolin-6-yl)methyl]amino]thiophene-2-carboxylic acid
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