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Dhamtec Pharma and Consultants-

Impurity Standards

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Aprepitant EP Impurity C

Product Code:
DH / APP/1003		Molecular Formula:
C29H25F7N4O3
CAS Number:
N/A		Molecular Weight:
610.52
Synonyms: 5-[[(2R,3S)-2-[(1R)-1-[3,5-bis(Trifluoromethyl)phenyl]ethoxy]-3-(4?-fluoro biphenyl-4-yl) morpholin-4-yl]methyl]-1,2-dihydro-3H-1,2,4-triazol-3-one


Aprepitant EP Impurity D

Product Code:
DH / APP/1004		Molecular Formula:
C23H21F7N4O3
CAS Number:
172822-29-6		Molecular Weight:
534.43
Synonyms: 3-[[(2S,3R)-2-[(S)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholino]methyl]-1H-1,2,4-triazol-5(4H)-one


Aprepitant EP Impurity E

Product Code:
DH / APP/1005		Molecular Formula:
C23H21F7N4O3
CAS Number:
1148113-53-4		Molecular Weight:
534.43
Synonyms: 3-[[(2R,3R)-2-[(R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluoro phenyl)morpholino]methyl]-1H-1,2,4-triazol-5(4H)-one


Aripiprazole Impurity Dehydro

Product Code:
DH / ARP/1002		Molecular Formula:
C23H25Cl2N3O2
CAS Number:
129722-25-4		Molecular Weight:
446.37
Synonyms: 7-[4-[4-(2,3-Dichlorophenyl)-1-piperizinyl]butoxy]quinolin-2(1H)-one


Aripiprazole Impurity N-Oxide

Product Code:
DH / ARP/1023		Molecular Formula:
C23H27Cl2N3O3
CAS Number:
N/A		Molecular Weight:
464.38
Synonyms: 7-[4-[4-(2,3-dichlorophenyl)-1-oxide-1-piperizin-1-yl]butoxy]-3,4-dihydro-1H-quinolin-2-one


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