CAS Number: 60797-68-4

Alternate CAS#:

Chemical Name: Theophylline Impurity 7

Molecular Formula: C7H10N4O3

Molecular Weight: 198.18

CAS Number: 81781-90-0

Alternate CAS#:

Chemical Name: Theophylline Impurity 6

Molecular Formula: C16H17ClN4O2

Molecular Weight: 332.79

CAS Number: 40012-14-4

Alternate CAS#:

Chemical Name: Theophylline Impurity 3

Molecular Formula: C6H10N4O2

Molecular Weight: 170.08

CAS Number: N/A

Alternate CAS#:

Chemical Name: Theophylline Impurity 21

Molecular Formula: C28H38N8O7

Molecular Weight: 598.66

CAS Number: N/A

Alternate CAS#:

Chemical Name: Theophylline Impurity 20

Molecular Formula: C23H30N8O5

Molecular Weight: 498.54

CAS Number:

Alternate CAS#:

Chemical Name: Doxofylline Impurity 2 (Theophylline Impurity 2)

Molecular Formula: C9H12N4O4/ C9H10N4O3

Molecular Weight: 240.22/ 222.20

CAS Number: 29214-62-8

Alternate CAS#:

Chemical Name: Theophylline Impurity 19

Molecular Formula: C8H12O4

Molecular Weight: 172.18

CAS Number: 2530-99-6

Alternate CAS#:

Chemical Name: Theophylline Impurity 18

Molecular Formula: C10H12N4O2

Molecular Weight: 220.23

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