QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

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Cimetidine Impurity P

QCC Cat No.:

QC132016

CAS No.:

NA

Mol Formula:

C11H17N5OS

Mol. Weight:

267.35

Cimetidine Impurity T

QCC Cat No.:

QC132020

CAS No.:

208447-53-4

Mol Formula:

C11H20N8S2

Mol. Weight:

328.46

Cimetidine Impurity U

QCC Cat No.:

QC132021

CAS No.:

38603-74-6

Mol Formula:

C6H10N2O HCl

Mol. Weight:

126.16 36.46

Cimetidine Impurity 1

QCC Cat No.:

QC132027

CAS No.:

NA

Mol Formula:

C10H18N6OS

Mol. Weight:

270.35

Cimetidine Impurity 2

QCC Cat No.:

QC132028

CAS No.:

10191-60-3

Mol Formula:

C4H6N2S2

Mol. Weight:

146.23

Cimetidine Impurity 3

QCC Cat No.:

QC132029

CAS No.:

156-57-0

Mol Formula:

C2H7NS HCl

Mol. Weight:

77.15 36.46

Cimetidine Impurity 4

QCC Cat No.:

QC132030

CAS No.:

N/A

Mol Formula:

C14H22N8O2S

Mol. Weight:

366.44

Cefmenoxime Impurity 1

QCC Cat No.:

QC132401

CAS No.:

84994-24-1

Mol Formula:

C13H10N4O3S2

Mol. Weight:

334.37

Cefmenoxime Impurity 2

QCC Cat No.:

QC132402

CAS No.:

NA

Mol Formula:

C16H21N7O6S2

Mol. Weight:

471.51

Cefmenoxime Impurity 3

QCC Cat No.:

QC132403

CAS No.:

NA

Mol Formula:

C21H18N6O5S4

Mol. Weight:

562.66

Cefmenoxime Impurity 4

QCC Cat No.:

QC132404

CAS No.:

NA

Mol Formula:

C22H22N12O7S4

Mol. Weight:

694.75

Cefmenoxime Impurity 5

QCC Cat No.:

QC132405

CAS No.:

NA

Mol Formula:

C10H12N2O5S

Mol. Weight:

272.28

Cefmenoxime Impurity 6

QCC Cat No.:

QC132406

CAS No.:

NA

Mol Formula:

C9H10N2O4S

Mol. Weight:

242.25

Cefmenoxime Impurity 7

QCC Cat No.:

QC132407

CAS No.:

NA

Mol Formula:

C16H17N9O6S3

Mol. Weight:

527.56

Cefmenoxime Impurity 8

QCC Cat No.:

QC132408

CAS No.:

NA

Mol Formula:

C12H14N6O4S2

Mol. Weight:

370.41

Cefmenoxime Impurity 10

QCC Cat No.:

QC132410

CAS No.:

126747-52-2

Mol Formula:

C16H17N9O5S3

Mol. Weight:

511.56

Cefmenoxime Impurity 11

QCC Cat No.:

QC132411

CAS No.:

NA

Mol Formula:

C16H17N9O5S3

Mol. Weight:

511.56

Cefmenoxime Impurity 12

QCC Cat No.:

QC132412

CAS No.:

392718-98-8

Mol Formula:

C4H6N4OS

Mol. Weight:

158.18

Cefmenoxime Impurity 13

QCC Cat No.:

QC132413

CAS No.:

126437-69-2

Mol Formula:

C11H13N5O3S2

Mol. Weight:

327.38

Cefmenoxime Impurity 14

QCC Cat No.:

QC132414

CAS No.:

NA

Mol Formula:

C16H17N9O5S3

Mol. Weight:

511.56

Cefmenoxime Impurity 15

QCC Cat No.:

QC132415

CAS No.:

120-78-5

Mol Formula:

C14H8N2S4

Mol. Weight:

332.49

Cefmenoxime Impurity 20

QCC Cat No.:

QC132420

CAS No.:

149-30-4

Mol Formula:

C7H5NS2

Mol. Weight:

167.25

Cefmenoxime Impurity 26

QCC Cat No.:

QC132426

CAS No.:

94088-75-2

Mol Formula:

C13H10N4O2S3

Mol. Weight:

350.44

Cefmetazole Sodium

QCC Cat No.:

QC132600

CAS No.:

56796-39-5;56796-20-4(free base)

Mol Formula:

C15H16N7NaO5S3

Mol. Weight:

493.52

Cefmetazole Lactone

QCC Cat No.:

QC132601

CAS No.:

70993-70-3

Mol Formula:

C13H13N3O5S2

Mol. Weight:

355.39

Cefmetazole Impurity B

QCC Cat No.:

QC132602

CAS No.:

NA

Mol Formula:

C15H17N7O5S3

Mol. Weight:

471.53

QCC Cat No.:

QC132603

CAS No.:

56796-20-4

Mol Formula:

C15H17N7O5S3

Mol. Weight:

471.53

Cefmetazole Sodium Impurity 1

QCC Cat No.:

QC132627

CAS No.:

68576-47-6

Mol Formula:

C15H17N7O4S4

Mol. Weight:

487.60

Cefmetazole Impurity 2

QCC Cat No.:

QC132628

CAS No.:

NA

Mol Formula:

C15H16N7NaO6S3

Mol. Weight:

509.52

Cefmetazole Impurity 10

QCC Cat No.:

QC132629

CAS No.:

NA

Mol Formula:

C15H17N7O5S3

Mol. Weight:

471.53