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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Active ingredients from A to Z →

Results 4,281-4,290 of 5,812

Remifentanil EP Impurity N

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R031-016
CAS
960122-89-8
Formula
C19H25N3O3
Family
Remifentanil
Synonyms
methyl 3-[4-cyano-4-(N-propanoylanilino)piperidin-1-yl]propanoate, Remifentanil Impurity

Rosiglitazone Maleate EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R087-003
CAS
1797979-55-5
Formula
C17H21N3O2
Family
Rosiglitazone
Synonyms
3-[4-[2-[Methyl(pyridin-2-yl)amino]ethoxy]phenyl]propanamide, Rosiglitazone Impurity L

Tinidazole EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T124-003
CAS
25459-12-5
Formula
C8H13N3O4S
Family
Tinidazole
Synonyms
1-(2-ethylsulfonylethyl)-2-methyl-4-nitroimidazole, Isotinidazole

Tizanidine EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T138-003
CAS
51322-69-1
Formula
C9H9N5S
Family
Tizanidine
Synonyms
Tizanidine Impurity A, N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine

Tizanidine EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T138-026
CAS
51323-05-8
Formula
C7H5ClN4S2
Family
Tizanidine
Synonyms
N-(5-Chloro-2,1,3-benzothiadiazol-4-yl)-thiourea, Thiourea, N-(5-chloro-2,1,3-benzothiadiazol-4-yl)-

Tizanidine EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T138-004
CAS
1147548-83-1
Formula
C16H14Cl2N10S2
Family
Tizanidine
Synonyms
Tizanidine Impurity C

Tizanidine EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T138-006
CAS
30536-19-7
Formula
C6H4ClN3S
Family
Tizanidine
Synonyms
4-Amino-5-chloro-2,1,3-benzothiadiazole, 5-chloro-2,1,3-benzothiadiazol-4-amine

Tizanidine EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T138-007
CAS
1147548-85-3
Formula
C16H11Cl2N9S2
Family
Tizanidine
Synonyms
Guanidine, N,N'-bis(5-chloro-2,1,3-benzothiadiazol-4-yl)-N-(4,5-dihydro-1H-imidazol-2-yl)-, N,N'-Bis(5-chloro-2,1,3-benzothiadiazol-4-yl)-N-(4,5-dihydro-1H-imidazol-2-yl)guanidine

Tizanidine EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T138-008
CAS
51322-80-6
Formula
C7H3ClN4S
Family
Tizanidine
Synonyms
Cyanamide, (5-chloro-2,1,3-benzothiadiazol-4-yl)-

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