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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 12,881-12,890 of 35,292

Tegafur Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-T033-004
Formula
C10H14N2O4
Family
Tegafur
Synonyms
5-Ethoxy-1-(oxolan-2-yl)pyrimidine-2,4-dione

Tegafur Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-T033-005
Formula
C8H9FN2O3
Family
Tegafur
Synonyms
5-Fluoro-1-(oxolan-3-yl)pyrimidine-2,4-dione

Velpatasvir Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-V025-005
Formula
C44H53N7O7
Family
Velpatasvir
Synonyms
tert-Butyl (2S,4S)-2-[5-[6-[(2S,5S)-1-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]-5-methylpyrrolidin-2-yl]-21-oxa-5,7-diazapentacyclo[11.8.0.03,11.04,8.014,19]henicosa-1(13),2,4(8),5,9,11,14(19),15,17-nonaen-17-yl]-1H-imidazol-2-yl]-4-(methoxymethyl)pyrrolidine-1-carboxylate

WX-0593 Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-W017-006
Formula
C23H32N4O2
Synonyms
4-[3-(4-Amino-3-methoxyphenyl)-3,9-diazaspiro[5.5]undecan-9-yl]-2-methoxyaniline

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