CAS Number:

Alternate CAS#:

Chemical Name: Pemetrexed EP Impurity E Diethyl Ester P-toluenesulfonate

Molecular Formula: C24H29N5O6 . C7H8O3S

Molecular Weight: 483.52 . 172.20

CAS Number:

Alternate CAS#: 51-34-3(Free Base)

Chemical Name: Scopolamine HBr Trihydrate

Molecular Formula: C17H21NO4 . HBr . 3H2O

Molecular Weight: 303.36 . 80.91 . 54.05

CAS Number:

Alternate CAS#:

Chemical Name: Perphenazine Impurity 3

Molecular Formula: C21H24ClN3S

Molecular Weight: 385.95

CAS Number:

Alternate CAS#:

Chemical Name: N-Nitroso Rivastigmine Hydrogen Tartrate EP Impurity E

Molecular Formula: C13H19N3O3

Molecular Weight: 265.31

CAS Number:

Alternate CAS#: 10538-55-3

Chemical Name: Ursodeoxycholic Acid EP Impurity G (Chenodeoxycholic Acid EP Impurity G)

Molecular Formula: C25H42O4

Molecular Weight: 406.61

CAS Number:

Alternate CAS#:

Chemical Name: (delta3)-7-ADCA

Molecular Formula: C8H10N2O3S

Molecular Weight: 214.24

CAS Number:

Alternate CAS#:

Chemical Name: Benzylpenicillin EP Impurity C

Molecular Formula: C16H18N2O5S

Molecular Weight: 350.39

CAS Number: 4493-18-9

Alternate CAS#: 31447-86-6(Potassium Salt)

Chemical Name: Dihydropenicillin F

Molecular Formula: C14H22N2O4S

Molecular Weight: 314.41

CAS Number: 1416734-33-2

Alternate CAS#:

Chemical Name: Fosfomycin Impurity 6

Molecular Formula: C6H14O8P2

Molecular Weight: 276.12

CAS Number: 85068-27-5

Alternate CAS#:

Chemical Name: Sitagliptin Impurity 52

Molecular Formula: C8H6F2O2

Molecular Weight: 172.13

CAS Number: 81228-09-3

Alternate CAS#:

Chemical Name: Sitagliptin Impurity 53

Molecular Formula: C8H6F2O2

Molecular Weight: 172.13

CAS Number: 114152-23-7

Alternate CAS#:

Chemical Name: Sitagliptin Impurity 72 Benzene Position Isomer

Molecular Formula: C8H5F3O2

Molecular Weight: 190.12