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Pharmaceutical analytical standards

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

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Results 31,881-31,890 of 36,550

PGF1alpha

ImpurityLevels of characterisation
Cat. No.
P-A095-012
CAS
745-62-0
Formula
C20H36O5
Family
Alprostadil
Synonyms
Alprostadil (Prostaglandin E1) Impurity 11, Prostaglandin f1alpha

L-Phenylalanine Methyl Ester HCl

ImpurityLevels of characterisation
Cat. No.
P-A828-013
CAS
7524-50-7
Formula
C10H13NO2·HCl
Synonyms
L-Phenylalanine Methyl Ester Hydrochloride, Methyl L-phenylalaninate hydrochloride

Polmacoxib 2-Fluoro Impurity

ImpurityLevels of characterisation
Cat. No.
P-P152-003
CAS
301693-28-7
Formula
C18H16FNO4S
Family
Polmacoxib
Synonyms
4-[3-(2-fluorophenyl)-5,5-dimethyl-4-oxofuran-2-yl]benzenesulfonamide

Polmacoxib Impurity 3 Sodium Salt

ImpurityLevels of characterisation
Cat. No.
P-P152-006
CAS
1778703-67-5
Formula
C18H14FNaO4S
Family
Polmacoxib
Synonyms
Sodium 4-[3-(3-fluorophenyl)-5,5-dimethyl-4-oxofuran-2-yl]benzenesulfinate

Polmacoxib Methylthio Impurity

ImpurityLevels of characterisation
Cat. No.
P-P152-010
CAS
301693-50-5
Formula
C19H17FO2S
Family
Polmacoxib
Synonyms
4-(3-fluorophenyl)-2,2-dimethyl-5-(4-methylsulfanylphenyl)furan-3-one

Polmacoxib Sulfonyl Impurity

ImpurityLevels of characterisation
Cat. No.
P-P152-012
CAS
301690-25-5
Formula
C19H17FO4S
Family
Polmacoxib
Synonyms
Polmacoxib Impurity 3, 4-(3-fluorophenyl)-2,2-dimethyl-5-(4-methylsulfonylphenyl)furan-3-one

Polmacoxib Sulfoxide Impurity

ImpurityLevels of characterisation
Cat. No.
P-P152-014
CAS
301693-70-9
Formula
C19H17FO3S
Family
Polmacoxib
Synonyms
4-(3-fluorophenyl)-2,2-dimethyl-5-(4-methylsulfinylphenyl)furan-3-one

Prepethidine

ImpurityLevels of characterisation
Cat. No.
P-P068-014
CAS
3627-62-1
Formula
C13H16N2
Family
Pethidine
Synonyms
1-Methyl-4-phenylpiperidine-4-carbonitrile, Pethidine intermediate a

Prostaglandin F1beta

ImpurityLevels of characterisation
Cat. No.
P-A095-013
CAS
10164-73-5
Formula
C20H36O5
Family
Alprostadil
Synonyms
Alprostadil (Prostaglandin E1) Impurity 12, Prostaglandin F1beta, (9beta,11alpha,13E,15S)-

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