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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 30,201-30,210 of 36,550

Ramosetron Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-R012-008
CAS
1352491-75-8
Formula
C16H17NO5
Family
Ramosetron
Synonyms
3-(1-Methyl-1H-indole-3-carbonyl)hexanedioic acid, 3-(1-methylindole-3-carbonyl)hexanedioic acid

Ramosetron Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-R012-009
CAS
183613-77-6
Formula
C17H13N3O
Family
Ramosetron
Synonyms
3H-benzimidazol-5-yl-(1-methylindol-3-yl)methanone, Methanone, 1H-benzimidazol-5-yl(1-methyl-1H-indol-3-yl)-

Ramosetron Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-R012-011
CAS
171967-71-8
Formula
C17H13N3O2
Family
Ramosetron
Synonyms
5-(1-methyl-1H-indole-3-carbonyl)-1H-benzo[d]imidazol-2(3H)-one, 5-(1-methylindole-3-carbonyl)-1,3-dihydrobenzimidazol-2-one

Ramosetron Impurity 6 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-R012-015
CAS
132036-42-1
Formula
C12H17N3O·HCl
Family
Ramosetron
Synonyms
Pyrrolidin-1-yl(4,5,6,7-tetrahydro-3H-benzimidazol-5-yl)methanone hydrochloride

Ramosetron Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-R012-018
CAS
171967-74-1
Formula
C17H19N3O4
Family
Ramosetron
Synonyms
3a,7a-Dihydroxy-5-(1-methylindole-3-carbonyl)-1,3,4,5,6,7-hexahydrobenzimidazol-2-one

Rifamycin B

ImpurityLevels of characterisation
Cat. No.
P-R054-005
CAS
13929-35-6
Formula
C39H49NO14
Family
Rifamycin
Synonyms
Nancimycin, NSC 145604

Rifamycin Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-R054-019
CAS
59264-04-9
Formula
C37H45NO13
Family
Rifamycin
Synonyms
[2,15,17-Trihydroxy-22-(hydroxymethyl)-11-methoxy-3,7,12,14,16,18-hexamethyl-6,23,27,29-tetraoxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,25-heptaen-13-yl] acetate

Rifamycin Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-R054-020
CAS
57518-92-0
Formula
C34H41NO11
Family
Rifamycin
Synonyms
(7S,9E,11S,12R,13R,14R,15R,16R,17S,18S,19E,21Z)-2,11,13,15,17-Pentahydroxy-3,7,12,14,16,18,22-heptamethyl-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,25-heptaene-6,23,27,29-tetrone, 25-O-deacetyl-27-O-demethyl Rifamycin S

Rifamycin Impurity 12

ImpurityLevels of characterisation
Cat. No.
P-R054-021
CAS
32259-67-9
Formula
C36H43NO12
Family
Rifamycin
Synonyms
[(7S,11S,12R,13R,14R,15R,16R,17S,18S)-2,11,15,17-Tetrahydroxy-3,7,12,14,16,18,22-heptamethyl-6,23,27,29-tetraoxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,25-heptaen-13-yl] acetate, 27-O-demethyl Rifamycin S

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