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

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Diltiazem EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D126-006
CAS: 42399-49-5
Formula: C₁₆H₁₅NO₃S
Family: Diltiazem
Synonyms: Cis(+)-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one, cis-(+)-2-(4'-methoxyphenyl)-3-hydroxy-2,3-dihydro-1,5-benzothiazepine-4(5H)-one

Diltiazem EP Impurity F

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D126-007
CAS: 42399-40-6
Formula: C₂₀H₂₄N₂O₃S
Family: Diltiazem
Synonyms: Desacetyl Diltiazem, Deacetyldiltiazem

Diltiazem EP Impurity F HCl

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D126-008
CAS: 75472-91-2
Formula: C₂₀H₂₄N₂O₃S·HCl
Family: Diltiazem
Synonyms: Deacetyldiltiazem hydrochloride, Desacetyl diltiazem hcl

Dobutamine EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D159-002
CAS: 5471-51-2
Formula: C₁₀H₁₂O₂
Family: Dobutamine
Synonyms: 4-(4'-Hydroxyphenyl)-2-butanone, 4-(4-hydroxyphenyl)butan-2-one

Dobutamine EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D159-034
CAS: 61413-44-3
Formula: C₂₁H₂₉NO₃
Family: Dobutamine
Synonyms: Dobutamine USP Related Compound C (Free Form), N-(2-(3,4-dimethoxyphenyl)ethyl)-4-(4-methoxyphenyl)butan-2-amine

Dobutamine EP Impurity C Hydrochloride

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D159-003
CAS: 51062-14-7
Formula: C₂₁H₂₉NO₃·HCl
Family: Dobutamine
Synonyms: Trimethoxy Dobutamine Hydrochloride, Dobutamine EP Impurity C HCl

Dobutamine Hydrochloride EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D159-035
CAS: 104-20-1
Formula: C₁₁H₁₄O₂
Family: Dobutamine
Synonyms: Anisylacetone, 4-(4-methoxyphenyl)butan-2-one

ent-Diltiazem EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-D126-009
CAS: 111188-70-6
Formula: C₂₂H₂₆N₂O₄S
Family: Diltiazem
Synonyms: 3-epi Diltiazem

Epinastine EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E067-003
CAS: 706753-75-5
Formula: C₁₆H₁₃N₃
Family: Epinastine
Synonyms: Dehydro Epinastine, Epinastine impurity A

Epinastine EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E067-004
CAS: 1217052-16-8
Formula: C₁₆H₁₄BrN₃
Family: Epinastine
Synonyms: 7-Bromo Epinastine

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