Caffeine Impurity B

CAS No: ​?7597-60-6?

Molecular Formula:​ C7H10N4O3

Molecular Weight: ​198.18

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Caffeine Impurity C

CAS No: ​519-32-4

Molecular Formula:​ C8H10N4O2

Molecular Weight: ​194.19

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Caffeine Impurity E

CAS No: ​107605-95-8?

Molecular Formula:​ C7H12N4O. HCl

Molecular Weight: ​168.2

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Caffeine Impurity F

CAS No: ​611-59-6?

Molecular Formula:​ C7H8N4O2

Molecular Weight: ​180.17

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