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Pharmaceutical analytical standards

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

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Results 59,401-59,410 of 59,523

3-(R)-(tert-Butoxycarbonylamino)pyrrolidine

ImpurityLevels of characterisation
Cat. No.
P-P1072-002
CAS
122536-77-0
Formula
C9H18N2O2
Synonyms
tert-butyl N-[(3R)-pyrrolidin-3-yl]carbamate, tert-butyl (r)-pyrrolidin-3-ylcarbamate

Tetracarbonyl tungsten Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-T383-002
CAS
12129-70-3
Formula
C12H12O4W
Synonyms
Tetracarbonyl(1,5-cyclooctadiene)tungsten, Tetracarbonyl(1,5-cyclooctadiene)tungsten(0)

2,3,7,8-Tetrachlorodibenzo-p-dioxin-13C12

Isotopically labelledLevels of characterisation
Cat. No.
P-T393-002
CAS
76523-40-5
Formula
¹³C12H4Cl4O2
Synonyms
2,3,7,8-Tetrachlorodibenzo(b,e)(1,4)dioxin-13C12, Dibenzo(b,e)(1,4)dioxin-13C12, 2,3,7,8-tetrachloro-

Tetrachlorophenol-13C6

Isotopically labelledLevels of characterisation
Cat. No.
P-T396-002
CAS
1246820-81-4
Formula
¹³C6H2Cl4O
Synonyms
2,4,5,6-Tetrachlorophenol-13C6, 2,3,4,6-tetrachloro(1,2,3,4,5,6-13C6)cyclohexa-1,3,5-trien-1-ol

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