Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Results 51,081-51,090 of 59,523

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Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-S111-002
CAS: 17103-52-5
Formula: C₁₀H₁₁N₃O₃S
Family: Sulfamethoxazole
Synonyms: 5-Sulfanilamido-3-methylisoxazole, 4-amino-N-(3-methyl-1,2-oxazol-5-yl)benzenesulfonamide

ImpurityLevels of characterisation

Cat. No.: P-S111-010
CAS: 51821-47-7
Formula: C₁₀H₁₁N₃O₃S
Family: Sulfamethoxazole
Synonyms: 4-Amino-N-(5-methyloxazol-2-yl)benzenesulfonamide, 4-amino-N-(5-methyl-1,3-oxazol-2-yl)benzenesulfonamide

ImpurityLevels of characterisation

Cat. No.: P-S111-013
CAS: 1416441-24-1
Formula: C₁₀H₁₃N₃O₅S
Family: Sulfamethoxazole
Synonyms: 4-Amino-N-(4,5-dihydroxy-5-methyl-1,2-oxazolidin-3-ylidene)benzenesulfonamide

ImpurityLevels of characterisation

ImpurityLevels of characterisation

Cat. No.: P-S111-015
CAS: 201531-23-9
Formula: C₁₆H₂₁N₃O₈S
Family: Sulfamethoxazole
Synonyms: Benzenesulfonamide, 4-(alpha-D-glucopyranosylamino)-N-(5-methyl-3-isoxazolyl)-

ImpurityLevels of characterisation

Cat. No.: P-S111-016
CAS: 119691-75-7
Formula: C₁₆H₂₁N₃O₈S
Family: Sulfamethoxazole
Synonyms: Sulfamethoxazole N4-glucoside, N-(5-Methylisoxazol-3-yl)-4-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)amino)benzenesulfonamide

Isotopically labelledLevels of characterisation

Cat. No.: P-S111-008
CAS: 1196157-90-0
Formula: C₄¹³C₆H₁₁N₃O₃S
Family: Sulfamethoxazole
Synonyms: Sulfamethoxazole-(phenyl-13C6), Sulfamethoxazole 13C6 (phenyl 13C6)

Isotopically labelledLevels of characterisation

ImpurityLevels of characterisation

Cat. No.: P-S111-018
CAS: 6106-22-5
Formula: C₆H₆NNaO₃S·2H₂O
Family: Sulfamethoxazole
Synonyms: Benzenesulfonic acid, 4-amino-, sodium salt, hydrate (1:1:2), Sodium sulfanilate dihydrate

ImpurityLevels of characterisation

Cat. No.: P-T039-004
CAS: 131682-41-2
Formula: C₁₀H₁₄N₂O₅
Family: Telbivudine
Synonyms: 1-(2-Deoxy-.alpha.-L-erythro-pentofuranosyl)thymine, Erythro-Furan-T

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