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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 3,611-3,620 of 5,812

Terazosin EP Impurity I

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T056-011
CAS
1177261-85-6
Formula
C20H27N5O4
Family
Terazosin
Synonyms
Destetrahydrofuranyl-5-methyltetrahydrofuran-2-yl terazosin, Methanone, (4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl)((5S)-tetrahydro-5-methyl-2-furanyl)-

Terazosin EP Impurity J

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T056-012
CAS
152551-75-2
Formula
C19H27N5O4
Family
Terazosin
Synonyms
Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-hydroxy-1-oxopentyl)-, (+/-)-

Terazosin EP Impurity L HCl

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T056-013
CAS
60548-09-6
Formula
C9H12N2O2·HCl
Family
Terazosin
Synonyms
Prazosin EP Impurity D HCl, 1-(2-Furoyl)piperazine Hydrochloride

Terazosin EP Impurity M

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T056-014
CAS
31350-27-3
Formula
C14H14N2O4
Family
Terazosin
Synonyms
1,4-Bis(furan-2-ylcarbonyl)piperazine, NSC 351869

Terazosin EP Impurity N

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T056-015
CAS
63074-07-7
Formula
C9H16N2O2
Family
Terazosin
Synonyms
1-(Tetrahydro-2-furoyl)piperazine, oxolan-2-yl(piperazin-1-yl)methanone

Terazosin EP Impurity O

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T056-016
CAS
547730-06-3
Formula
C14H22N2O4
Family
Terazosin
Synonyms
1,4-Bis((tetrahydrofuran-2-yl)carbonyl)piperazine, Piperazine, 1,4-bis((tetrahydro-2-furanyl)carbonyl)-

Terazosin USP Related Compound C DiHCl

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T056-033
CAS
1486464-41-8
Formula
C24H28N8O4·2HCl
Family
Terazosin
Synonyms
Terazosin dimer impurity dihydrochloride, Dihydrochloride1,4-bis(4-amino-6,7-dimethoxy-2-quinazolinyl)piperazine

Tetracaine EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T072-003
CAS
4740-24-3
Formula
C11H15NO2
Family
Tetracaine
Synonyms
4-(Butylamino)benzoic Acid, Benzoic acid, 4-(butylamino)-

Tetracaine EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T072-004
CAS
71839-12-8
Formula
C12H17NO2
Family
Tetracaine
Synonyms
Methyl 4-(Butylamino)benzoate, Benzoic acid, 4-(butylamino)-, methyl ester

4-Aminobenzoic Acid

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B043-009
CAS
150-13-0
Formula
C7H7NO2
Family
Benzocaine
Synonyms
p-aminobenzoic acid, PABA

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