QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

QUALITY CONTROL CHEMICALS INC.

STANDARD REFERENCE MATERIAL

RELATED PRODUCTS

QCC Cat No.:

QA121600

CAS No.:

315-30-0

Mol Formula:

C5H4N4O

Mol. Weight:

136.11

Allopurinol EP Impurity A

QCC Cat No.:

QA121601

CAS No.:

5334-31-6;27511-79-1(1/2H2SO4 salt)

Mol Formula:

C4H6N4O

Mol. Weight:

126.12

Allopurinol EP Impurity B

QCC Cat No.:

QA121602

CAS No.:

22407-20-1

Mol Formula:

C5H6N4O2

Mol. Weight:

154.13

Allopurinol EP Impurity C

QCC Cat No.:

QA121603

CAS No.:

1346604-13-4

Mol Formula:

C6H6N6O

Mol. Weight:

178.06031

Allopurinol EP Impurity D

QCC Cat No.:

QA121604

CAS No.:

6994-25-8

Mol Formula:

C6H9N3O2

Mol. Weight:

155.15

Allopurinol EP Impurity E

QCC Cat No.:

QA121605

CAS No.:

31055-19-3

Mol Formula:

C7H9N3O3

Mol. Weight:

183.16

Allopurinol Related Compound F(Mixture of Z and E Isomers)

QCC Cat No.:

QA121606

CAS No.:

321571-07-7

Mol Formula:

C12H14N4O4

Mol. Weight:

278.26

Allopurinol EP Impurity F;Dihydralazine EP Impurity B

QCC Cat No.:

QA121607

CAS No.:

302-01-2;7803-57-8 (Monohydrate);2644-70-4（HCl）

Mol Formula:

H4N2

Mol. Weight:

32.05

Allopurinol Impurity 8

QCC Cat No.:

QA121608

CAS No.:

5334-56-5

Mol Formula:

C6H6N4O

Mol. Weight:

150.14

Allopurinol Nitrile Impurity

QCC Cat No.:

QA121631

CAS No.:

16617-46-2

Mol Formula:

C4H4N4

Mol. Weight:

108.1