Impurities

Aprepitant Impurity

Product Code:Ax-IMP1573
CAS Number:10316-00-4
Synonyms:4-benzylmorpholine; Morpholine, 4-(phenylmethyl)-
Molecular Formula:C11H15NO
Molecular Weight:177.25

Ibuprofen (S)-Isomer

Product Code:Ax-IMP1572
CAS Number:51146-56-6
Synonyms:(S)-2-(4-isobutylphenyl)propanoic acid
Molecular Formula:C13H18O2
Molecular Weight:206.28

Ibuprofen Process Impurity 1

Product Code:Ax-IMP1571
CAS Number:100319-40-2
Synonyms:1-ethyl-4-isobutylbenzene
Molecular Formula:C12H18
Molecular Weight:162.28

Ibuprofen Impurity J

Product Code:65813-55-0
CAS Number:65813-55-0
Synonyms:(2RS)-2-(4-Isobutyrylphenyl)propionic acid; 2-(4-isobutyrylphenyl)propanoic acid
Molecular Formula:C13H16O3
Molecular Weight:220.26

Nitromethylene Impurity

Product Code:Ax-IMP1609
CAS Number:Ax-IMP1609
Synonyms:1,1-dichloro-2-nitroethene
Molecular Formula:C2HCl2NO2
Molecular Weight:141.94

Nitromethylene Process Impurity

Product Code:Ax-IMP1618
CAS Number:75-35-4
Synonyms:1,1-dichloroethene; VINYLIDENE CHLORIDE
Molecular Formula:C2H2Cl2
Molecular Weight:96.94

Ibuprofen Impurity E

Product Code:Ax-IMP1570
CAS Number:38861-78-8
Synonyms:1-(4-isobutylphenyl)ethan-1-one
Molecular Formula:C12H16O
Molecular Weight:176.25

Ibuprofen Process Impurity 2

Product Code:Ax-IMP1568
CAS Number:174290-51-8
Synonyms:(S)-3-methyl-2-phenylbutanamide
Molecular Formula:C11H15NO
Molecular Weight:177.25

Ibuprofen Isopropyl ester

Product Code:Ax-IMP1567
CAS Number:64622-17-9
Synonyms:isopropyl 2-(4-isobutylphenyl)propanoate
Molecular Formula:C16H24O2
Molecular Weight:248.36

Ibuprofen Methyl Ester

Product Code:Ax-IMP1566
CAS Number:61566-34-5
Synonyms:methyl 2-(4-isobutylphenyl)propanoate
Molecular Formula:C14H20O2
Molecular Weight:220.31