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

CAS Number:

Alternate CAS#:

Chemical Name: Theophylline Impurity 23

Molecular Formula: C7H9N5O4

Molecular Weight: 227.18

CAS Number: 66537-39-1

Alternate CAS#:

Chemical Name: Theaspirane A

Molecular Formula: C13H22O

Molecular Weight: 194.32

CAS Number: 652-37-9

Alternate CAS#:

Chemical Name: Theophylline 7-Acetic Acid

Molecular Formula: C9H10N4O4

Molecular Weight: 238.2

CAS Number: 58-55-9

Alternate CAS#:

Chemical Name: Theophylline (Dimenhydrinate EP Impurity A)

Molecular Formula: C7H8N4O2

Molecular Weight: 180.17