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

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Cefradine EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-C098-019
CAS: 26774-88-9
Formula: C₈H₁₁NO₂
Family: Cefradine
Synonyms: D-(-)-2-(2,5-Dihydrophenyl)glycine, H-D-(2,5-Dihydrophenyl)-Gly-OH

Cefradine EP Impurity C and Cefradine EP Impurity D

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-C098-002
CAS: 2111133-51-6
Formula: C₁₆H₁₉N₃O₅S
Family: Cefradine
Synonyms: Cefradine Impurity C, Cefradine Impurity D

Cefradine EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-C098-017
CAS: 215172-75-1
Formula: C₁₆H₁₇N₃O₅S
Family: Cefradine
Synonyms: Cefradine Impurity E, 2-Hydroxy Cephalexin

Cefradine Impurity 1

ImpurityLevels of characterisation

Cat. No.: P-C098-009
CAS: 30959-67-2
Formula: C₁₆H₁₉N₃O₄S
Family: Cefradine
Synonyms: (6R,7R)-7-[[(2S)-2-Amino-2-cyclohexa-1,4-dien-1-ylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, L-Cefradine

Cefradine Impurity 7 Hydrochloride

ImpurityLevels of characterisation

Cat. No.: P-C098-015
CAS: 2829292-56-8
Formula: C₈H₉NO₃·HCl
Family: Cefradine
Synonyms: (2R)-2-Azaniumyl-2-(2-hydroxyphenyl)acetate hydrochloride, H-D-Phg(2-OH)-OH HCl

Ceftolozane Impurity 1 Trihydrochloride

ImpurityLevels of characterisation

Cat. No.: P-C107-005
CAS: 689294-59-5
Formula: C₇H₁₄N₆O·3HCl
Family: Ceftolozane
Synonyms: 1-(5-Amino-1-methyl-1H-pyrazol-4-yl)-3-(2-aminoethyl)urea TriHCl, 1-(2-aminoethyl)-3-(5-amino-1-methylpyrazol-4-yl)urea

Ceftolozane Impurity 10

ImpurityLevels of characterisation

Cat. No.: P-C107-014
CAS: 1956303-44-8
Formula: C₂₃H₃₀N₁₂O₈S₂
Family: Ceftolozane
Synonyms: (2R,6R,7R)-3-[[5-Amino-4-(2-aminoethylcarbamoylamino)-1-methylpyrazol-2-ium-2-yl]methyl]-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

Ceftolozane Impurity 12

ImpurityLevels of characterisation

Cat. No.: P-C107-016
CAS: 47288-83-5
Formula: C₁₆H₁₈N₂O₄S
Family: Ceftolozane
Synonyms: (4-Methoxyphenyl)methyl (6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Ceftolozane Impurity 13

ImpurityLevels of characterisation

Cat. No.: P-C107-017
CAS: 1950566-51-4
Formula: C₁₆H₁₆Cl₂N₂O₄S
Family: Ceftolozane
Synonyms: (3-Chloro-4-methoxyphenyl)methyl (6R,7R)-7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Ceftolozane Impurity 14

ImpurityLevels of characterisation

Cat. No.: P-C107-018
CAS: 689293-67-2
Formula: C₁₂H₂₂N₆O₃
Family: Ceftolozane
Synonyms: tert-Butyl N-[2-[(5-amino-1-methylpyrazol-4-yl)carbamoylamino]ethyl]carbamate, tert-Butyl (2-(3-(5-amino-1-methyl-1H-pyrazol-4-yl)ureido)ethyl)carbamate

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