CAS Number: 113402-31-6

Alternate CAS#:

Chemical Name: Letrozole EP Impurity B

Molecular Formula: C22H13N3

Molecular Weight: 319.37

CAS Number: 112809-51-5

Alternate CAS#:

Chemical Name: Letrozole

Molecular Formula: C17H11N5

Molecular Weight: 285.31

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 9

Molecular Formula: C13H13N3O4

Molecular Weight: 275.27

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 8

Molecular Formula: C14H13N3O4

Molecular Weight: 287.28

CAS Number: 2197414-55-2

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 7

Molecular Formula: C13H16N4O3

Molecular Weight: 276.3

CAS Number: 24666-56-6; 2353-44-8 (free base)

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 6 HCl

Molecular Formula: C5H8N2O2. HCl

Molecular Weight: 128.13 36.46

CAS Number: 98475-07-1

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 5

Molecular Formula: C9H8BrNO4

Molecular Weight: 274.07

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 4

Molecular Formula: C9H9NO5

Molecular Weight: 211.18

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 31

Molecular Formula: C25H33N3O13

Molecular Weight: 583.55

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 30

Molecular Formula: C25H33N3O13

Molecular Weight: 583.55

CAS Number: 295357-66-3

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 3

Molecular Formula: C13H14N2O5

Molecular Weight: 278.26

CAS Number: N/A

Alternate CAS#:

Chemical Name: Lenalidomide Impurity 29

Molecular Formula: C21H18N4O4

Molecular Weight: 390.4