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Theophylline EP Impurity A

Product Code:

TPY/1001

CAS Number:

58-08-2

Molecular Formula:

C8H10N4O2

Molecular Weight:

194.19
Synonyms : 1,3,7-Trimethyl-3,7-dihydro-1H-purine-2,6-dione.

Theophylline EP Impurity B

Product Code:

TPY/1002

CAS Number:

1076-22-8

Molecular Formula:

C6H6N4O2

Molecular Weight:

166.14
Synonyms : 3-Methyl-3,7-dihydro-1H-purine-2,6-dione.

Theophylline EP Impurity C

Product Code:

TPY/1003

CAS Number:

7597-60-6

Molecular Formula:

C7H10N4O3

Molecular Weight:

198.18
Synonyms : N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide.