Impurity Standards

IP, USP and EP Compliant

Please Enquire

CAFFEINE

Caffeine Impurity 2

CAT No.-

CAS No.4921-49-7

Mol. F.C8H9ClN4O2

Mol. W.228.64

View

Please Enquire

CAFFEINE

Caffeine Impurity 3

CAT No.-

CAS No.19893-78-8

Mol. F.C7H10N4O3

Mol. W.198.18

View

Please Enquire

CAFFEINE

Caffeine Impurity 4

CAT No.-

CAS No.55782-76-8

Mol. F.C7H10N4O3

Mol. W.198.18

View

Please Enquire

CAFFEINE

Caffeine Impurity 5

CAT No.-

CAS No.10184-35-7

Mol. F.C9H10N4O5

Mol. W.254.20

View

Please Enquire

CAFFEINE

Caffeine Impurity 6 (Chloroacetic acid)

CAT No.-

CAS No.79-11-8

Mol. F.C2H3ClO2

Mol. W.94.49

View

Please Enquire

CAFFEINE

Caffeine Impurity 7 (Methylliberine)

CAT No.-

CAS No.51168-26-4

Mol. F.C9H12N4O3

Mol. W.224.22

View

Please Enquire

CAFFEINE

Caffeine Impurity 8

CAT No.-

CAS No.33130-55-1

Mol. F.C8H12N4O3

Mol. W.212.21

View

Please Enquire

CALCIFEDIOL

Calcifediol EP Impurity C

CAT No.-

CAS No.39932-44-0

Mol. F.C27H44O2

Mol. W.400.65

View

Please Enquire

CAFFEINE

Caffeine (Theophylline EP Impurity A)

CAT No.-

CAS No.58-08-2

Mol. F.C8H10N4O2

Mol. W.194.19

View

Please Enquire

CAFFEINE

Caffeine EP Impurity E HCl (Caffeidine HCl)

CAT No.-

CAS No.107605-95-8

Mol. F.C7H12N4O. HCl

Mol. W.168.20 36.46

View