glimepiride and its Impurities
Glimepiride is available as a generic medication. It is sold under the trade name Amaryl. It is a medication used to treat diabetes mellitus type 2. Reference standards of Glimepiride API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Methyl (4-(2-(3-ethyl-4-methyl-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxamido)acetyl)phenyl)sulfonylcarbamate
Methyl (4-(2-(3-ethyl-4-methyl-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxamido)acetyl)phenyl)sulfonylcarbamate
Catalogue No.:PA 07 09510
CAS :
2731065-51-1
Molecular Formula : C18H21N3O7S
Molecular Weight : 423.44


2-(1-((2-(4-(N-(Methoxycarbonyl)sulfamoyl)phenyl)-2-oxoethyl)carbamoyl)-4-methyl-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)acetic Acid
2-(1-((2-(4-(N-(Methoxycarbonyl)sulfamoyl)phenyl)-2-oxoethyl)carbamoyl)-4-methyl-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)acetic Acid
Catalogue No.:PA 07 09520
CAS :
2724728-98-5
Molecular Formula : C18H19N3O9S
Molecular Weight : 453.42


[4-[2-[[(3-Ethyl-d5-2,5-dihydro-4-methyl-2-oxo-1H-pyrrol-1-yl)carbonyl]amino]ethyl]phenyl]sulfonyl]carbamic Acid Ethyl Ester_x0000_
[4-[2-[[(3-Ethyl-d5-2,5-dihydro-4-methyl-2-oxo-1H-pyrrol-1-yl)carbonyl]amino]ethyl]phenyl]sulfonyl]carbamic Acid Ethyl Ester_x0000_
Catalogue No.:PA STI 039240
CAS :
1217029-88-3
Molecular Formula : C19H20D5N3O6S
Molecular Weight : 428.51


Glimepiride Related Compound B (glimepiride sulfonamide, or 3-Ethyl-4-methyl-2-oxo-N-(4-sulfamoylph (1292325)
Glimepiride Related Compound B (glimepiride sulfonamide, or 3-Ethyl-4-methyl-2-oxo-N-(4-sulfamoylph (1292325)
Catalogue No.:PA USP1292325
CAS :
119018-29-0
Molecular Formula : NA
Molecular Weight : NA


Glimepiride Related Compound C (glimepiride urethane, or methyl ((4-(2-(3-ethyl-4-methyl-2-oxo-2,5- (1292336)
Glimepiride Related Compound C (glimepiride urethane, or methyl ((4-(2-(3-ethyl-4-methyl-2-oxo-2,5- (1292336)
Catalogue No.:PA USP1292336
CAS :
119018-30-3
Molecular Formula : NA
Molecular Weight : NA


Glimepiride Related Compound D (Glimepiride 3-isomer, or 1-[[m-[2-(3-Ethyl-4-methyl-2-oxo-3-pyrroli (1292347)
Glimepiride Related Compound D (Glimepiride 3-isomer, or 1-[[m-[2-(3-Ethyl-4-methyl-2-oxo-3-pyrroli (1292347)
Catalogue No.:PA USP1292347
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


N-[[4-[2-[[(3-Ethyl-2,5-dihydro-4-methyl-2-oxo-1H-pyrrol-1-yl)carbonyl]amino]ethyl]phenyl]sulfonyl]carbamic Acid Methyl Ester-d5
N-[[4-[2-[[(3-Ethyl-2,5-dihydro-4-methyl-2-oxo-1H-pyrrol-1-yl)carbonyl]amino]ethyl]phenyl]sulfonyl]carbamic Acid Methyl Ester-d5
Catalogue No.:PA STI 088676
CAS :
1028809-96-2
Molecular Formula : C18H18D5N3O6S
Molecular Weight : 414.49


1H-Pyrrole-1-carboxamide, 3-ethyl-N-[2-[4-[[ethyl[[(trans-4-methylcyclohexyl)amino]carbonyl]amino]sulfonyl]phenyl]ethyl]-2,5-dihydro-4-methyl-2-oxo
1H-Pyrrole-1-carboxamide, 3-ethyl-N-[2-[4-[[ethyl[[(trans-4-methylcyclohexyl)amino]carbonyl]amino]sulfonyl]phenyl]ethyl]-2,5-dihydro-4-methyl-2-oxo
Catalogue No.:PA 07 0091005
CAS :
2904692-54-0
Molecular Formula : C26H38N4O5S
Molecular Weight : 518.67


3-Ethyl-4-methyl-N-(4-(N-((4-methylcyclohexyl)carbamoyl)sulfamoyl)phenethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxamide
3-Ethyl-4-methyl-N-(4-(N-((4-methylcyclohexyl)carbamoyl)sulfamoyl)phenethyl)-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxamide
Catalogue No.:PA 07 0091007
CAS :
261361-60-8
Molecular Formula : C24H34N4O5S
Molecular Weight : 490.62