QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

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Sildenafil Impurity 27

QCC Cat No.:

QS040627

CAS No.:

NA

Mol Formula:

C18H24N4O6S

Mol. Weight:

424.47

Sildenafil Impurity 28

QCC Cat No.:

QS040628

CAS No.:

NA

Mol Formula:

C19H26N4O6S

Mol. Weight:

438.50

Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

QCC Cat No.:

QS040629

CAS No.:

139756-27-7

Mol Formula:

C15H15ClN4O4S

Mol. Weight:

382.82

Sildenafil Impurity 30

QCC Cat No.:

QS040630

CAS No.:

59259-90-4

Mol Formula:

C10H12O4

Mol. Weight:

196.20

Hydroxyhomosildenafil

QCC Cat No.:

QS040631

CAS No.:

139755-85-4

Mol Formula:

C23H32N6O5S

Mol. Weight:

504.60

Norneo Sildenafil

QCC Cat No.:

QS040632

CAS No.:

371959-09-0

Mol Formula:

C22H29N5O4S

Mol. Weight:

459.56

Sildenafil Impurity 33

QCC Cat No.:

QS040633

CAS No.:

NA

Mol Formula:

C9H16N4O

Mol. Weight:

196.25

Sildenafil Impurity 34

QCC Cat No.:

QS040634

CAS No.:

479073-88-6

Mol Formula:

C24H34N6O3S2

Mol. Weight:

518.70

Sildenafil Impurity 35

QCC Cat No.:

QS040635

CAS No.:

220060-39-9

Mol Formula:

C24H28N6OS

Mol. Weight:

448.58

Sildenafil Impurity 36

QCC Cat No.:

QS040636

CAS No.:

319491-68-4

Mol Formula:

C18H23N5O4S

Mol. Weight:

405.47

Sildenafil Impurity 37;Desethyl fondenafil

QCC Cat No.:

QS040637

CAS No.:

1027192-92-2

Mol Formula:

C22H28N6O3

Mol. Weight:

424.50

Desethane sildenafil

QCC Cat No.:

QS040638

CAS No.:

466684-88-8

Mol Formula:

C20H28N6O4S

Mol. Weight:

448.54

Sildenafil Impurity 39

QCC Cat No.:

QS040639

CAS No.:

224785-87-9

Mol Formula:

C22H30N6O4S

Mol. Weight:

474.58

Propoxyphenyl Thiosildenafil

QCC Cat No.:

QS040640

CAS No.:

479073-87-5

Mol Formula:

C23H32N6O3S2

Mol. Weight:

504.67

Hydroxythio Acetildenafil

QCC Cat No.:

QS040641

CAS No.:

1159977-47-5

Mol Formula:

C25H34N6O3S

Mol. Weight:

498.64

Sildenafil Impurity 42

QCC Cat No.:

QS040642

CAS No.:

NA

Mol Formula:

C25H34N6OS2

Mol. Weight:

498.71

Sildenafil Impurity 43

QCC Cat No.:

QS040643

CAS No.:

2146091-79-2

Mol Formula:

C24H32N6OS2

Mol. Weight:

484.68

Thiohomosildenafil

QCC Cat No.:

QS040644

CAS No.:

479073-80-8

Mol Formula:

C23H32N6O3S2

Mol. Weight:

504.67

Sildenafil Impurity 45

QCC Cat No.:

QS040645

CAS No.:

62871-12-9

Mol Formula:

C9H9ClO3

Mol. Weight:

200.62

Sildenafil Impurity 46

QCC Cat No.:

QS040646

CAS No.:

139756-00-6

Mol Formula:

C8H11N3O4

Mol. Weight:

213.19

Sildenafil Impurity 47

QCC Cat No.:

QS040647

CAS No.:

383427-88-1

Mol Formula:

C8H13N3O2

Mol. Weight:

183.21

Sildenafil Impurity 48

QCC Cat No.:

QS040648

CAS No.:

NA

Mol Formula:

C17H20N4O2

Mol. Weight:

312.37

Sildenafil Impurity 49

QCC Cat No.:

QS040649

CAS No.:

NA

Mol Formula:

C17H22N4O6S

Mol. Weight:

410.44

Sildenafil Impurity 50

QCC Cat No.:

QS040650

CAS No.:

NA

Mol Formula:

C21H30N6O5S

Mol. Weight:

478.57

Sildenafil Impurity 51

QCC Cat No.:

QS040651

CAS No.:

NA

Mol Formula:

C22H30N6O4S

Mol. Weight:

474.58

Sildenafil Impurity 52

QCC Cat No.:

QS040652

CAS No.:

NA

Mol Formula:

C20H28N6O5S

Mol. Weight:

464.54

Hydroxythiohomosildenafil

QCC Cat No.:

QS040653

CAS No.:

479073-82-0

Mol Formula:

C23H32N6O4S2

Mol. Weight:

520.67

Sildenafil citrate

QCC Cat No.:

QS040654

CAS No.:

171599-83-0

Mol Formula:

C22H30N6O4S C6H8O7

Mol. Weight:

474.58 192.12

N-Desmethyl Sildenafil-d8

QCC Cat No.:

QS040655

CAS No.:

1185168-06-2

Mol Formula:

C21H20D8N6O4S

Mol. Weight:

468.60

QCC Cat No.:

QS040656

CAS No.:

139755-83-2 (non-labelled)

Mol Formula:

C22H22D8N6O4S

Mol. Weight:

482.63