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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 53,041-53,050 of 59,523

Tenoxicam Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-T053-012
CAS
98827-44-2
Formula
C8H7NO5S2
Family
Tenoxicam
Synonyms
Methyl 4-hydroxy-1,1-dioxo-2H-thieno[2,3-e]thiazine-3-carboxylate

Tenoxicam-d4

Isotopically labelledLevels of characterisation
Cat. No.
P-T053-009
CAS
1329834-60-7
Formula
C13H7D4N3O4S2
Family
Tenoxicam

Terfenadine EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T061-003
CAS
43076-30-8
Formula
C32H39NO2
Family
Terfenadine
Synonyms
Terfenadone, 4'-tert-Butyl-4-(4-(hydroxybenzhydryl)piperidino)butyrophenone

Terfenadine EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T061-004
CAS
1632048-95-3
Formula
C32H41NO
Family
Terfenadine
Synonyms
Dehydroxy Terfenadine, 4-(4-benzhydrylpiperidin-1-yl)-1-(4-tert-butylphenyl)butan-1-ol

Terfenadine EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T061-005
CAS
634901-83-0
Formula
C32H41NO3
Family
Terfenadine
Synonyms
Terfenadine N-Oxide, Terfenadine impurity c (ep impurity)

Terfenadine EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T061-006
CAS
93052-68-7
Formula
C32H39NO
Family
Terfenadine
Synonyms
4-(4-benzhydrylidenepiperidin-1-yl)-1-(4-tert-butylphenyl)butan-1-ol, alpha-(4-(1,1-Dimethylethyl)phenyl)-4-(diphenylmethylene)-1-piperidinebutanol

Terfenadine EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T061-008
CAS
104953-06-2
Formula
C32H39NO
Family
Terfenadine
Synonyms
Dehydroxydehydro Terfenadine, Terfenadine impurity g (ep impurity)

Terfenadine EP Impurity H

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T061-009
CAS
147158-67-6
Formula
C32H41NO
Family
Terfenadine
Synonyms
Terfenadine impurity h (ep impurity), Terfenadine impurity H

Terfenadine EP Impurity J

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T061-010
CAS
100499-85-2
Formula
C22H35NO3
Family
Terfenadine
Synonyms
Terfenadine impurity j (ep impurity), Terfenadine impurity J

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