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Letrozole Impurity 52

QCC Cat No.:

QL201552

CAS No.:

305861-48-7

Mol Formula:

C12H9N7

Mol. Weight:

251.25

Letrozole Impurity 53

QCC Cat No.:

QL201553

CAS No.:

NA

Mol Formula:

C17H11N5O2

Mol. Weight:

317.30

Letrozole Impurity 54

QCC Cat No.:

QL201554

CAS No.:

NA

Mol Formula:

C17H11N5O

Mol. Weight:

301.30

Letrozole Impurity 55

QCC Cat No.:

QL201555

CAS No.:

2500927-63-7

Mol Formula:

C17H13N5O

Mol. Weight:

303.32

Letrozole Impurity 56

QCC Cat No.:

QL201556

CAS No.:

1461654-89-6

Mol Formula:

C10H10N4O

Mol. Weight:

202.21

Letrozole Impurity 57

QCC Cat No.:

QL201557

CAS No.:

1250126-45-4

Mol Formula:

C10H9N3O2

Mol. Weight:

203.20

Levothyroxine Sodium;Liothyronine sodium EP Impurity A

QCC Cat No.:

QL202400NA

CAS No.:

25416-65-3;51-48-9(free base)

Mol Formula:

C15H11I4NO4*Na*H2O

Mol. Weight:

776.87*22.99*18.02

Levothyroxine EP Impurity A

QCC Cat No.:

QL202401

CAS No.:

6893-02-3

Mol Formula:

C15H12I3NO4

Mol. Weight:

650.97

Levothyroxine EP Impurity B

QCC Cat No.:

QL202402

CAS No.:

NA

Mol Formula:

C15H11ClI3NO4

Mol. Weight:

685.42

Levothyroxine EP Impurity C;Liothyronine EP Impurity C

QCC Cat No.:

QL202403

CAS No.:

51-24-1

Mol Formula:

C14H9I3O4

Mol. Weight:

621.93

Levothyroxine EP Impurity D;Liothyronine EP Impurity D

QCC Cat No.:

QL202404

CAS No.:

67-30-1

Mol Formula:

C14H8I4O4

Mol. Weight:

747.83

Levothyroxine EP Impurity E;Liothyronine EP Impurity E

QCC Cat No.:

QL202405

CAS No.:

1041-01-6

Mol Formula:

C15H13I2NO4

Mol. Weight:

525.08

Levothyroxine EP Impurity F

QCC Cat No.:

QL202406

CAS No.:

911661-90-0

Mol Formula:

C21H13I6NO5

Mol. Weight:

1120.76

Levothyroxine EP Impurity H

QCC Cat No.:

QL202407

CAS No.:

2055-97-2

Mol Formula:

C13H6I4O4

Mol. Weight:

733.8

Levothyroxine Ethyl Ester

QCC Cat No.:

QL202408

CAS No.:

76353-71-4

Mol Formula:

C17H15I4NO4

Mol. Weight:

804.92

Levothyroxine Methyl Ester

QCC Cat No.:

QL202409

CAS No.:

32180-11-3

Mol Formula:

C16H13I4NO4

Mol. Weight:

790.9

Levothyroxine EP Impurity I

QCC Cat No.:

QL202410

CAS No.:

2016-06-0

Mol Formula:

C13H6I4O3

Mol. Weight:

717.81

Levothyroxine EP Impurity J

QCC Cat No.:

QL202411

CAS No.:

NA

Mol Formula:

C15H13I2NO4

Mol. Weight:

525.08

Levothyroxine EP Impurity K

QCC Cat No.:

QL202412

CAS No.:

5817-39-0

Mol Formula:

C15H12I3NO4

Mol. Weight:

650.97

Levothyroxine T4-Hydroxyacetic Acid

QCC Cat No.:

QL202413

CAS No.:

93647-48-4

Mol Formula:

C14H8I4O5

Mol. Weight:

763.83

Levothyroxine N-Formyl Impurity

QCC Cat No.:

QL202414

CAS No.:

671235-41-9

Mol Formula:

C16H11I4NO5

Mol. Weight:

804.88

Levothyroxine Acetamide Impurity

QCC Cat No.:

QL202415

CAS No.:

176258-88-1

Mol Formula:

C14H9I4NO3

Mol. Weight:

746.84

Levothyroxine Lactose Adduct

QCC Cat No.:

QL202416

CAS No.:

NA

Mol Formula:

C27H31I4NO14

Mol. Weight:

1101.16

Levothyroxine Impurity 17

QCC Cat No.:

QL202417

CAS No.:

NA

Mol Formula:

C21H15I4NO9

Mol. Weight:

932.96

Levothyroxine Impurity 18

QCC Cat No.:

QL202418

CAS No.:

70-78-0

Mol Formula:

C9H10INO3

Mol. Weight:

307.09

Levothyroxine Impurity 19

QCC Cat No.:

QL202419

CAS No.:

51-26-3

Mol Formula:

C15H11I3O4

Mol. Weight:

635.96

Levothyroxine Impurity 20

QCC Cat No.:

QL202420

CAS No.:

7069-47-8

Mol Formula:

C15H10I4O5

Mol. Weight:

777.85

Levothyroxine Impurity 21

QCC Cat No.:

QL202421

CAS No.:

NA

Mol Formula:

C15H11ClI3NO4

Mol. Weight:

685.42

Levothyroxine Impurity 22

QCC Cat No.:

QL202422

CAS No.:

NA

Mol Formula:

C15H13I4NO2

Mol. Weight:

746.89

Levothyroxine Impurity 23

QCC Cat No.:

QL202423

CAS No.:

NA

Mol Formula:

C15H11I4NO5

Mol. Weight:

792.87