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

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Pralatrexate Impurity 1

ImpurityLevels of characterisation

Cat. No.: P-P161-006
CAS: 2028268-08-6
Formula: C₁₈H₁₇N₇O
Family: Pralatrexate
Synonyms: 4-[1-(2,4-Diaminopteridin-6-yl)pent-4-yn-2-yl]benzamide

Pralatrexate Impurity 2

ImpurityLevels of characterisation

Cat. No.: P-P161-007
CAS: 1445586-42-4
Formula: C₁₈H₁₅N₅O₃
Family: Pralatrexate
Synonyms: 4-[1-(2-amino-4-oxo-3H-pteridin-6-yl)pent-4-yn-2-yl]benzoic acid

Pralatrexate Impurity 6

ImpurityLevels of characterisation

Cat. No.: P-P161-015
CAS: 374777-77-2
Formula: C₂₅H₂₇N₇O₅
Family: Pralatrexate
Synonyms: Dimethyl (2S)-2-[[4-[1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl]benzoyl]amino]pentanedioate, Dimethyl (4-(1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoyl)-L-glutamate

8-Prenylkaempferol

ImpurityLevels of characterisation

Cat. No.: P-I121-007
CAS: 28610-31-3
Formula: C₂₀H₁₈O₆
Synonyms: Icariin Impurity 5 (Desmethyl Icaritin), Desmethyl Icaritin

8-Prenylquercetin

ImpurityLevels of characterisation

Cat. No.: P-I121-008
CAS: 143724-75-8
Formula: C₂₀H₁₈O₇
Synonyms: Icariin Impurity 8

11-Propionate 21-chloro diflorasone

ImpurityLevels of characterisation

Cat. No.: P-H002-007
CAS: 181527-42-4
Formula: C₂₅H₃₁ClF₂O₅
Family: Halobetasol
Synonyms: Halobetasol Propionate Impurity C, Halobetasol Propionate Impurity 13

N-n-Propylnorapomorphine

ImpurityLevels of characterisation

Cat. No.: P-A173-015
CAS: 58479-52-0
Formula: C₁₉H₂₁NO₂
Family: Apomorphine
Synonyms: N-Propylnorapomorphine, Noraporphine-10,11-diol, 6-propyl-

Serine Impurity 1

ImpurityLevels of characterisation

Cat. No.: P-S033-016
CAS: 1219135-46-2
Formula: C₁₂H₁₅NO₅
Family: Serine
Synonyms: (2R)-3-Hydroxy-2-[methyl(phenylmethoxycarbonyl)amino]propanoic acid

Serinol

ImpurityLevels of characterisation

Cat. No.: P-S033-017
CAS: 534-03-2
Formula: C₃H₉NO₂
Family: Serine
Synonyms: 2-aminopropane-1,3-diol, NSC 93746

Sitostenone

ImpurityLevels of characterisation

Cat. No.: P-S378-010
CAS: 1058-61-3
Formula: C₂₉H₄₈O
Synonyms: Stigmast-4-en-3-one, beta-sitostenone

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