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Pefloxacin EP Impurity G

Product Code:

PFL/1007

CAS Number:

70458-94-5

Molecular Formula:

C14H13ClFNO3

Molecular Weight:

297.71
Synonyms : Ethyl 7-chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate.

Pemetrexed EP Impurity A

Product Code:

PMX/1001

CAS Number:

869791-42-4

Molecular Formula:

C21H23N5O6

Molecular Weight:

441.44
Synonyms : N-[[4-[2-(2-Amino-1-methyl-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl]carbonyl]-L-glutamic acid.

Pemetrexed EP Impurity B

Product Code:

PMX-1002

CAS Number:

1802552-04-0

Molecular Formula:

C40H40N10O13

Molecular Weight:

868.80
Synonyms : (2S)-2,2’-[[(5R)-2,2’-Diamino-4,4’,6-trioxo-1,4,4’,6,7,7’-hexahydro-1’H,5H-5,6’-bipyrrolo[2,3-d]pyrimidine-5,5’-diyl]bis(ethane-2,1-diylbenzene-4,1-diylcarbonylimino)]-dipentanedioic acid.