QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

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Entacapone EP Impurity D

QCC Cat No.:

QE200314

CAS No.:

857629-79-9

Mol Formula:

C16H19N3O5

Mol. Weight:

333.34

Entacapone EP Impurity E

QCC Cat No.:

QE200315

CAS No.:

7659-29-2

Mol Formula:

C6H4N2O6

Mol. Weight:

200.11

Entacapone EP Impurity F

QCC Cat No.:

QE200316

CAS No.:

160391-70-8

Mol Formula:

C10H6N2O6

Mol. Weight:

250.16

Entacapone EP Impurity G

QCC Cat No.:

QE200317

CAS No.:

1364322-41-7

Mol Formula:

C11H9N3O5

Mol. Weight:

263.21

Entacapone EP Impurity H

QCC Cat No.:

QE200318

CAS No.:

1150310-15-8

Mol Formula:

C15H15N3O5

Mol. Weight:

317.3

Entacapone EP Impurity A

QCC Cat No.:

QE200319

CAS No.:

145195-63-7

Mol Formula:

C14H15N3O5

Mol. Weight:

305.29

Entacapone EP Impurity I

QCC Cat No.:

QE200321

CAS No.:

NA

Mol Formula:

C13H12N2O6

Mol. Weight:

292.24

Entecavir EP Impurity D

QCC Cat No.:

QE200330

CAS No.:

1367369-80-9

Mol Formula:

C12H15N5O3

Mol. Weight:

277.29

Entecavir EP Impurity F

QCC Cat No.:

QE200331

CAS No.:

649761-24-0

Mol Formula:

C27H31N5O2Si

Mol. Weight:

485.65

Entecavir Impurity 6

QCC Cat No.:

QE200332

CAS No.:

NA

Mol Formula:

C15H19N5O5

Mol. Weight:

349.34

Entecavir Impurity 7

QCC Cat No.:

QE200333

CAS No.:

NA

Mol Formula:

C15H19N5O5

Mol. Weight:

349.34

Entecavir Impurity 8

QCC Cat No.:

QE200334

CAS No.:

NA

Mol Formula:

C15H19N5O5

Mol. Weight:

349.34

Entecavir Impurity 9

QCC Cat No.:

QE200335

CAS No.:

NA

Mol Formula:

C15H19N5O5

Mol. Weight:

349.34

(1S, 3S, 4R)-Entecavir

QCC Cat No.:

QE200340

CAS No.:

1367369-79-6

Mol Formula:

C12H15N5O3

Mol. Weight:

277.28

Entecavir Impurity 41

QCC Cat No.:

QE200341

CAS No.:

NA

Mol Formula:

C12H15N5O4

Mol. Weight:

293.28

Entecavir Impurity 42

QCC Cat No.:

QE200342

CAS No.:

1984788-96-6

Mol Formula:

C12H15N5O4

Mol. Weight:

293.28

Entecavir USP Related Compound A

QCC Cat No.:

QE200343

CAS No.:

NA

Mol Formula:

C27H31N5O2Si

Mol. Weight:

485.65

Entecavir EP Impurity E

QCC Cat No.:

QE200344

CAS No.:

2203740-23-0

Mol Formula:

C13H17N5O4

Mol. Weight:

307.31

Entecavir Impurity 45

QCC Cat No.:

QE200345

CAS No.:

142217-81-0

Mol Formula:

C26H27N5O3

Mol. Weight:

457.52

Entecavir EP Impurity C

QCC Cat No.:

QE200346

CAS No.:

NA

Mol Formula:

C12H15N5O4

Mol. Weight:

293.28

Entecavir Impurity 47

QCC Cat No.:

QE200347

CAS No.:

NA

Mol Formula:

C13H17N5O4

Mol. Weight:

307.31

Entecavir Impurity 50

QCC Cat No.:

QE200350

CAS No.:

NA

Mol Formula:

C14H21N5O3Si

Mol. Weight:

335.43

Entecavir Impurity 51

QCC Cat No.:

QE200351

CAS No.:

NA

Mol Formula:

C12H11N5O

Mol. Weight:

241.25

Entecavir Impurity 52

QCC Cat No.:

QE200352

CAS No.:

NA

Mol Formula:

C32H33N5O4

Mol. Weight:

551.64

Entecavir Impurity 53

QCC Cat No.:

QE200353

CAS No.:

142217-78-5

Mol Formula:

C52H49N5O5

Mol. Weight:

823.98

Entecavir Impurity 54

QCC Cat No.:

QE200354

CAS No.:

142217-79-6

Mol Formula:

C52H47N5O5

Mol. Weight:

821.96

Entecavir Impurity 55

QCC Cat No.:

QE200355

CAS No.:

142217-80-9

Mol Formula:

C53H49N5O4

Mol. Weight:

819.99

Entecavir Impurity 56

QCC Cat No.:

QE200356

CAS No.:

NA

Mol Formula:

C11H15N5O4

Mol. Weight:

281.27

Entecavir Impurity 57

QCC Cat No.:

QE200357

CAS No.:

NA

Mol Formula:

C11H11N5O3

Mol. Weight:

261.24

Entecavir Impurity 58

QCC Cat No.:

QE200358

CAS No.:

1354715-30-2

Mol Formula:

C17H22ClN5O4

Mol. Weight:

395.84