QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

QUALITY CONTROL CHEMICALS INC.

STANDARD REFERENCE MATERIAL

RELATED PRODUCTS

QCC Cat No.:

QK202000

CAS No.:

34580-13-7;34580-14-8(fumarate salt)

Mol Formula:

C19H19NOS

Mol. Weight:

309.43

Ketotifen EP Impurity A

QCC Cat No.:

QK202001

CAS No.:

4673-38-5

Mol Formula:

C19H19NS

Mol. Weight:

293.43

Ketotifen EP Impurity B

QCC Cat No.:

QK202002

CAS No.:

59743-88-3

Mol Formula:

C20H23NO2S

Mol. Weight:

341.47

Ketotifen EP Impurity C

QCC Cat No.:

QK202003

CAS No.:

126939-27-3

Mol Formula:

C19H21NO2S

Mol. Weight:

327.44

Ketotifen EP Impurity D

QCC Cat No.:

QK202004

CAS No.:

88456-70-6

Mol Formula:

C19H19NO2S

Mol. Weight:

325.42

Ketotifen EP Impurity E

QCC Cat No.:

QK202005

CAS No.:

1346603-71-1

Mol Formula:

C19H19NOS

Mol. Weight:

309.43

Ketotifen EP Impurity F

QCC Cat No.:

QK202006

CAS No.:

34580-09-1

Mol Formula:

C19H19NOS

Mol. Weight:

309.43

Ketotifen EP Impurity G

QCC Cat No.:

QK202007

CAS No.:

43076-16-0

Mol Formula:

C19H17NO2S

Mol. Weight:

323.41

Ketotifen Impurity 10

QCC Cat No.:

QK202010

CAS No.:

59743-84-9

Mol Formula:

C14H10O2S

Mol. Weight:

242.29

Ketotifen Impurity 11

QCC Cat No.:

QK202011

CAS No.:

NA

Mol Formula:

C19H19NOS HCl

Mol. Weight:

309.43 36.46

Ketotifen Impurity 12

QCC Cat No.:

QK202012

CAS No.:

NA

Mol Formula:

C19H19NOS HCl

Mol. Weight:

309.43 36.46

Norketotifen monofumarate

QCC Cat No.:

QN151100

CAS No.:

930765-16-5;1227458-03-8(HCl salt)

Mol Formula:

C18H17NOS C4H4O4

Mol. Weight:

295.40 116.07