Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Results 4,061-4,070 of 5,812

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Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T217-002
CAS: 213745-86-9
Formula: C₁₅H₂₀N₄O₃
Family: Trimethoprim
Synonyms: 2-Desamino-2-methylamino trimethoprim, 2-N-methyl-5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T217-003
CAS: 30806-86-1
Formula: C₁₄H₁₆N₄O₄
Family: Trimethoprim
Synonyms: 5-(3,4,5-Trimethoxybenzoyl)-2,4-pyrimidinediamine, Keto trimethoprim

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T217-005
CAS: 92440-76-1
Formula: C₁₄H₁₇N₃O₄
Family: Trimethoprim
Synonyms: 2-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-4-one, 2-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-6-one

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T217-006
CAS: 60729-91-1
Formula: C₁₄H₁₇N₃O₄
Family: Trimethoprim
Synonyms: 2-Desamino-2-hydroxy trimethoprim, 6-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-2-one

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T217-007
CAS: 16285-82-8
Formula: C₁₃H₁₅BrN₄O₂
Family: Trimethoprim
Synonyms: 2,4-Diamino-5-(3-bromo-4,5-dimethoxybenzyl)pyrimidine, 5-[(3-bromo-4,5-dimethoxyphenyl)methyl]pyrimidine-2,4-diamine

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T217-008
CAS: 78025-68-0
Formula: C₁₅H₂₀N₄O₃
Family: Trimethoprim
Synonyms: 5-(4-Ethoxy-3,5-dimethoxybenzyl)pyrimidine-2,4-diamine, 5-[(4-ethoxy-3,5-dimethoxyphenyl)methyl]pyrimidine-2,4-diamine

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-T217-010
CAS: 30078-48-9
Formula: C₁₉H₂₀N₂O₃
Family: Trimethoprim
Synonyms: Benzenepropanenitrile, 3,4,5-trimethoxy-alpha-((phenylamino)methylene)-, Trimethoprim impurity i (z) (ep impurity)

Pharmacopoeial impurityLevels of characterisation

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