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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 54,811-54,820 of 59,523

Tandospirone Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-T014-008
CAS
1928713-81-8
Formula
C9H11NO2
Family
Tandospirone
Synonyms
(1S,2R,6R,7R)-4-Azatricyclo[5.2.1.02,6]decane-3,5-dione

Tandospirone-d8

Isotopically labelledLevels of characterisation
Cat. No.
P-T014-002
CAS
1794835-73-6
Formula
C21H21D8N5O2
Family
Tandospirone

Tartrazine Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-T300-003
CAS
56120-28-6
Formula
C12H9N3Na2O6S2
Synonyms
4,4'-(Diazoamino)dibenzenesulfonic acid, disodium salt

Tartrazine Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-T300-004
CAS
866-17-1
Formula
C4H4Na2O8
Synonyms
Butanedioic acid, 2,2,3,3-tetrahydroxy-, sodium salt, Tetrahydroxysuccinic acid, disodium salt

Tartrazine Impurity 3 Sodium Salt

ImpurityLevels of characterisation
Cat. No.
P-T300-006
CAS
104236-31-9
Formula
C21H13N4Na3O10S3
Synonyms
Trisodium 4-[5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazol-3-yl]benzenesulfonate

Tartrazine Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-T300-007
CAS
750530-77-9
Formula
C22H16N4O12S3
Synonyms
3-Oxo-2-(4-sulfophenyl)-4-[[4-sulfo-2-(4-sulfophenyl)phenyl]diazenyl]-1H-pyrazole-5-carboxylic acid

Tartrazine Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-T300-010
CAS
1934-22-1
Formula
C16H10N4Na2O6S
Synonyms
Disodium 5-oxo-4-phenyldiazenyl-1-(4-sulfonatophenyl)-4H-pyrazole-3-carboxylate, Disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

Tartrazine Impurity 7

ImpurityLevels of characterisation
Cat. No.
P-T300-011
CAS
104236-33-1
Formula
C16H10N4Na2O6S
Synonyms
Disodium 5-oxo-1-phenyl-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate

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