QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

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Tadalafil EP Impurity D

QCC Cat No.:

QT041204

CAS No.:

NA

Mol Formula:

C22H19N3O6

Mol. Weight:

421.41

Tadalafil EP Impurity E

QCC Cat No.:

QT041205

CAS No.:

2520114-41-2

Mol Formula:

C22H19N3O6

Mol. Weight:

421.41

Tadalafil EP Impurity F

QCC Cat No.:

QT041206

CAS No.:

NA

Mol Formula:

C22H19N3O6

Mol. Weight:

421.41

Tadalafil EP Impurity G

QCC Cat No.:

QT041207

CAS No.:

NA

Mol Formula:

C22H17N3O5

Mol. Weight:

403.40

Tadalafil EP Impurity H

QCC Cat No.:

QT041208

CAS No.:

1978322-98-3; 1346605-38-6(racemic)

Mol Formula:

C22H19N3O6

Mol. Weight:

421.41

Tadalafil EP Impurity I

QCC Cat No.:

QT041209

CAS No.:

2378614-29-8

Mol Formula:

C22H19N3O5

Mol. Weight:

405.41

Tadalafil Impurity J

QCC Cat No.:

QT041210

CAS No.:

951661-85-1

Mol Formula:

C20H19N3O3

Mol. Weight:

349.39

Tadalafil Impurity K

QCC Cat No.:

QT041211

CAS No.:

951661-82-8

Mol Formula:

C20H19N3O3

Mol. Weight:

349.39

Tadalafil Impurity L

QCC Cat No.:

QT041212

CAS No.:

NA

Mol Formula:

C22H20ClN3O4

Mol. Weight:

425.88

Tadalafil Impurity M

QCC Cat No.:

QT041213

CAS No.:

951661-81-7

Mol Formula:

C22H20ClN3O4

Mol. Weight:

425.88

Tadalafil Impurity N

QCC Cat No.:

QT041214

CAS No.:

1598416-08-0

Mol Formula:

C22H18Cl2N2O5

Mol. Weight:

461.29

Tadalafil Impurity O;Tryptophan;N-Acetyltryptophan EP Impurity A

QCC Cat No.:

QT041215

CAS No.:

73-22-3

Mol Formula:

C11H12N2O2

Mol. Weight:

204.23

Tadalafil Impurity P

QCC Cat No.:

QT041216

CAS No.:

4299-70-1;7524-52-9(HCl salt)

Mol Formula:

C12H14N2O2

Mol. Weight:

218.25

Tadalafil Impurity Q;Tryptophan EP Impurity A

QCC Cat No.:

QT041217

CAS No.:

132685-02-0

Mol Formula:

C24H26N4O4

Mol. Weight:

434.49

Tadalafil Impurity 18

QCC Cat No.:

QT041218

CAS No.:

NA

Mol Formula:

C24H20Cl2N2O6

Mol. Weight:

503.33

Tadalafil Impurity 19

QCC Cat No.:

QT041219

CAS No.:

NA

Mol Formula:

C24H20Cl2N2O6

Mol. Weight:

503.33

Tadalafil Impurity 20

QCC Cat No.:

QT041220

CAS No.:

2064212-00-4

Mol Formula:

C30H24N4O4

Mol. Weight:

504.54

Tadalafil Impurity 22

QCC Cat No.:

QT041222

CAS No.:

NA

Mol Formula:

C22H22N4O3

Mol. Weight:

390.44

Tadalafil Impurity 23

QCC Cat No.:

QT041223

CAS No.:

749864-17-3

Mol Formula:

C20H18N2O4

Mol. Weight:

350.37

Tadalafil Impurity 24

QCC Cat No.:

QT041224

CAS No.:

NA

Mol Formula:

C24H20ClN3O5

Mol. Weight:

465.89

Tadalafil Impurity 25

QCC Cat No.:

QT041225

CAS No.:

NA

Mol Formula:

C22H19ClN2O5

Mol. Weight:

426.85

Tadalafil Impurity 26

QCC Cat No.:

QT041226

CAS No.:

NA

Mol Formula:

C22H20ClN3O4

Mol. Weight:

425.86

N-Ethyl Tadalafil

QCC Cat No.:

QT041227

CAS No.:

1609405-34-6

Mol Formula:

C23H21N3O4

Mol. Weight:

403.44

Amino Tadalafil

QCC Cat No.:

QT041228

CAS No.:

385769-84-6

Mol Formula:

C21H18N4O4

Mol. Weight:

390.39

Tadalafil Impurity 30

QCC Cat No.:

QT041230

CAS No.:

NA

Mol Formula:

C24H21Cl2N3O5

Mol. Weight:

502.35

Tadalafil Impurity 31

QCC Cat No.:

QT041231

CAS No.:

NA

Mol Formula:

C22H20N2O6

Mol. Weight:

408.40

Tadalafil Impurity 32

QCC Cat No.:

QT041232

CAS No.:

NA

Mol Formula:

C20H18N2O4

Mol. Weight:

350.37

Tadalafil Impurity 33

QCC Cat No.:

QT041233

CAS No.:

NA

Mol Formula:

C23H23N3O5

Mol. Weight:

421.45

Tadalafil Impurity 34

QCC Cat No.:

QT041234

CAS No.:

1609405-34-6

Mol Formula:

C23H21N3O4

Mol. Weight:

403.43

Tadalafil Impurity 35

QCC Cat No.:

QT041235

CAS No.:

7524-52-9;4299-70-1(free base)

Mol Formula:

C12H15ClN2O2

Mol. Weight:

254.71