CAS Number: 2892260-32-9

Alternate CAS#:

Chemical Name: N-Nitroso Sitagliptin Impurity 20

Molecular Formula: C6H6F3N5O

Molecular Weight: 221.14

CAS Number: 486460-31-5

Alternate CAS#: 486459-70-5(HCl salt), 1345822-87-8 (phosphate salt)

Chemical Name: Sitagliptin EP Impurity B

Molecular Formula: C16H16F5N5O

Molecular Weight: 389.32

CAS Number: 2226428-25-5(free base)

Alternate CAS#:

Chemical Name: Indacaterol Impurity ZY4

Molecular Formula: C24H28N2O3

Molecular Weight: 392.49

CAS Number:

Alternate CAS#:

Chemical Name: Xanomeline Impurity 20

Molecular Formula: C14H23N3OS

Molecular Weight: 281.42

CAS Number:

Alternate CAS#:

Chemical Name: Xanomeline Impurity 19

Molecular Formula: C14H23N3OS

Molecular Weight: 281.42

CAS Number:

Alternate CAS#:

Chemical Name: Valsartan Impurity 57

Molecular Formula: C25H31N3O3

Molecular Weight: 421.54

CAS Number:

Alternate CAS#: 651324-07-1(free base)

Chemical Name: Oseltamivir Impurity 64 HCl

Molecular Formula: C26H44N2O4 . HCl

Molecular Weight: 448.64 . 36.46

CAS Number:

Alternate CAS#:

Chemical Name: 3-Acetoxy Oseltamivir Impurity 16 HCl

Molecular Formula: C13H20N2O5 . HCl

Molecular Weight: 284.31 . 36.46

CAS Number: 651324-09-3

Alternate CAS#:

Chemical Name: Oseltamivir Impurity 156

Molecular Formula: C22H36N2O4

Molecular Weight: 392.54

CAS Number:

Alternate CAS#:

Chemical Name: Vilanterol Impurity 9

Molecular Formula: C30H48N2O7

Molecular Weight: 548.72

CAS Number:

Alternate CAS#:

Chemical Name: Vilanterol Impurity 2

Molecular Formula: C30H45Cl2NO6

Molecular Weight: 586.59

CAS Number: 503068-37-9

Alternate CAS#: 2677047-63-9(Triphenylacetate)

Chemical Name: Vilanterol Impurity 1

Molecular Formula: C27H37Cl2NO5

Molecular Weight: 526.49