CAS Number: 708-79-2

Alternate CAS#:

Chemical Name: Theophylline Impurity 17

Molecular Formula: C6H6N4O3

Molecular Weight: 182.14

CAS Number: N/A

Alternate CAS#:

Chemical Name: Theophylline Impurity 16

Molecular Formula: C11H16N4O5

Molecular Weight: 284.27

CAS Number: 1798006-07-1

Alternate CAS#:

Chemical Name: Theophylline Impurity 15

Molecular Formula: C24H27N5O3

Molecular Weight: 433.51

CAS Number: 33120-34-2

Alternate CAS#:

Chemical Name: Theophylline Impurity 14

Molecular Formula: C23H25N5O3

Molecular Weight: 419.49

CAS Number: N/A

Alternate CAS#:

Chemical Name: Theophylline Impurity 13

Molecular Formula: C7H10N4O2

Molecular Weight: 182.18

CAS Number: N/A

Alternate CAS#:

Chemical Name: Theophylline Impurity 12

Molecular Formula: C11H12N4O4

Molecular Weight: 264.24

CAS Number: 24442-57-7

Alternate CAS#:

Chemical Name: Theophylline Impurity 11

Molecular Formula: C4H6Br2O2

Molecular Weight: 245.9

CAS Number: 40258-78-4

Alternate CAS#:

Chemical Name: Theophylline Impurity 10

Molecular Formula: C4H7BrO2

Molecular Weight: 167

CAS Number: N/A

Alternate CAS#:

Chemical Name: Theophylline Impurity 1

Molecular Formula: C6H7N5O4

Molecular Weight: 213.05

CAS Number: 116131-08-9; 6736-40-9 (free base)

Alternate CAS#:

Chemical Name: Theophyllidine HCl (Theophylline EP Impurity D HCl)

Molecular Formula: C6H10N4O. HCl

Molecular Weight: 154.17 36.46

CAS Number: 944-73-0

Alternate CAS#:

Chemical Name: Theophylline EP Impurity E

Molecular Formula: C7H8N4O3

Molecular Weight: 196.17

CAS Number: 1076-22-8

Alternate CAS#:

Chemical Name: Theophylline EP Impurity B (Pentoxifylline EP Impurity B)

Molecular Formula: C6H6N4O2

Molecular Weight: 166.14