QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

QUALITY CONTROL CHEMICALS INC.

STANDARD REFERENCE MATERIAL

RELATED PRODUCTS

Sildenafil EP Impurity B

QCC Cat No.:

QS040602

CAS No.:

1094598-75-0

Mol Formula:

C22H30N6O5S

Mol. Weight:

490.58

Sildenafil EP Impurity C

QCC Cat No.:

QS040603

CAS No.:

139755-91-2

Mol Formula:

C20H26N6O4S

Mol. Weight:

446.52

Sildenafil EP Impurity D

QCC Cat No.:

QS040604

CAS No.:

1357931-55-5

Mol Formula:

C17H20N4O5S

Mol. Weight:

392.43

Sildenafil Chloride Impurity

QCC Cat No.:

QS040605

CAS No.:

42926-52-3

Mol Formula:

C9H9ClO2

Mol. Weight:

184.62

Sildenafil Di-Amide Impurity

QCC Cat No.:

QS040606

CAS No.:

139756-03-9

Mol Formula:

C17H22N4O3

Mol. Weight:

330.38

Sildenafil Lactam Impurity

QCC Cat No.:

QS040607

CAS No.:

139756-21-1

Mol Formula:

C17H20N4O2

Mol. Weight:

312.37

Sildenafil Chlorosulfone Impurity

QCC Cat No.:

QS040608

CAS No.:

139756-22-2

Mol Formula:

C17H19ClN4O4S

Mol. Weight:

410.88

Sildenafil N-Desmethyl Metabolite

QCC Cat No.:

QS040609

CAS No.:

139755-82-1

Mol Formula:

C21H28N6O4S

Mol. Weight:

460.55

Sildenafil Pyrimidine Impurity

QCC Cat No.:

QS040610

CAS No.:

1346600-82-5

Mol Formula:

C9H12N4

Mol. Weight:

176.22

Sildenafil Amino Amide Impurity

QCC Cat No.:

QS040611

CAS No.:

139756-02-8;247584-10-7(HCl salt)

Mol Formula:

C8H14N4O

Mol. Weight:

182.22

Sildenafil Impurity L

QCC Cat No.:

QS040612

CAS No.:

1346602-67-2

Mol Formula:

C38H46N10O8S2

Mol. Weight:

834.96

Sildenafil Impurity 13

QCC Cat No.:

QS040613

CAS No.:

147676-78-6

Mol Formula:

C18H20N4O4

Mol. Weight:

356.38

Sildenafil Impurity 14

QCC Cat No.:

QS040614

CAS No.:

147676-79-7

Mol Formula:

C23H30N6O3

Mol. Weight:

438.52

Sildenafil Impurity 15

QCC Cat No.:

QS040615

CAS No.:

NA

Mol Formula:

C17H19ClN4O2

Mol. Weight:

346.81

Sildenafil Impurity 16

QCC Cat No.:

QS040616

CAS No.:

60531-34-2

Mol Formula:

C9H8Cl2O2

Mol. Weight:

219.06

Sildenafil Impurity 17

QCC Cat No.:

QS040617

CAS No.:

1971915-89-5

Mol Formula:

C19H24N4O5S

Mol. Weight:

420.48

Sildenafil Impurity 18

QCC Cat No.:

QS040618

CAS No.:

NA

Mol Formula:

C18H22N4O5S

Mol. Weight:

406.46

Sildenafil Impurity 19

QCC Cat No.:

QS040619

CAS No.:

NA

Mol Formula:

C17H21ClN4O3

Mol. Weight:

364.83

Sildenafil Impurity 20

QCC Cat No.:

QS040620

CAS No.:

NA

Mol Formula:

C21H28N6O4S

Mol. Weight:

460.55

Sildenafil Impurity 21

QCC Cat No.:

QS040621

CAS No.:

NA

Mol Formula:

C11H14O6S

Mol. Weight:

274.29

Sildenafil Impurity 22

QCC Cat No.:

QS040622

CAS No.:

NA

Mol Formula:

C13H18O6S

Mol. Weight:

302.34

Sildenafil Impurity 23

QCC Cat No.:

QS040623

CAS No.:

NA

Mol Formula:

C11H14O6S

Mol. Weight:

274.29

Sildenafil Impurity 24

QCC Cat No.:

QS040624

CAS No.:

NA

Mol Formula:

C18H24N4O5S

Mol. Weight:

408.47

Sildenafil Impurity 25

QCC Cat No.:

QS040625

CAS No.:

NA

Mol Formula:

C19H26N4O5S

Mol. Weight:

422.50

Sildenafil Amide

QCC Cat No.:

QS040626

CAS No.:

139756-01-7

Mol Formula:

C8H12N4O3

Mol. Weight:

212.21

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

Sildenafil Impurity 57

QCC Cat No.:

QS040657

CAS No.:

139755-99-0

Mol Formula:

C8H12N2O2

Mol. Weight:

168.19

Sildenafil Impurity 58

QCC Cat No.:

QS040658

CAS No.:

NA

Mol Formula:

C8H15N5O

Mol. Weight:

197.24

Sildenafil Impurity 59

QCC Cat No.:

QS040659

CAS No.:

NA

Mol Formula:

C24H26N4O5

Mol. Weight:

450.49

Sildenafil Impurity 60

QCC Cat No.:

QS040660

CAS No.:

NA

Mol Formula:

C19H28N4O3

Mol. Weight:

360.45

Sildenafil Impurity 61

QCC Cat No.:

QS040661

CAS No.:

NA

Mol Formula:

C17H21N3O4

Mol. Weight:

331.37

Sildenafil Impurity 62

QCC Cat No.:

QS040662

CAS No.:

NA

Mol Formula:

C15H15ClN4O2

Mol. Weight:

318.76

Sildenafil Impurity 63

QCC Cat No.:

QS040663

CAS No.:

NA

Mol Formula:

C15H14Cl2N4O2

Mol. Weight:

353.20

Sildenafil Impurity 64

QCC Cat No.:

QS040664

CAS No.:

NA

Mol Formula:

C17H18Cl2N4O2

Mol. Weight:

381.26

Sildenafil Impurity 65

QCC Cat No.:

QS040665

CAS No.:

NA

Mol Formula:

C17H20N4O3

Mol. Weight:

328.37

Methisosildenafil

QCC Cat No.:

QS040666

CAS No.:

496835-35-9

Mol Formula:

C23H32N6O4S

Mol. Weight:

488.60

Sildenafil Impurity 67

QCC Cat No.:

QS040667

CAS No.:

1610830-81-3

Mol Formula:

C22H28N6OS2

Mol. Weight:

456.63

Sildenafil Impurity 68

QCC Cat No.:

QS040668

CAS No.:

1621873-33-3

Mol Formula:

C25H36N6O4S

Mol. Weight:

516.66

Sildenafil Impurity 69

QCC Cat No.:

QS040669

CAS No.:

1446089-83-3

Mol Formula:

C32H38N6O3

Mol. Weight:

554.68

Sildenafil Impurity 70

QCC Cat No.:

QS040670

CAS No.:

1609405-33-5

Mol Formula:

C25H30N6O5

Mol. Weight:

494.54

Sildenafil Impurity 71

QCC Cat No.:

QS040671

CAS No.:

1446144-70-2

Mol Formula:

C25H32N6O4

Mol. Weight:

480.56

QCC Cat No.:

QS040672

CAS No.:

479073-79-5

Mol Formula:

C22H30N6O3S2

Mol. Weight:

490.64

Sildenafil Impurity 73

QCC Cat No.:

QS040673

CAS No.:

NA

Mol Formula:

C8H10ClN3O3

Mol. Weight:

231.64

Sildenafil Impurity 74

QCC Cat No.:

QS040674

CAS No.:

2021224-02-0

Mol Formula:

C9H10O6S

Mol. Weight:

246.24

Sildenafil Impurity 75

QCC Cat No.:

QS040675

CAS No.:

17243-13-9

Mol Formula:

C7H5ClO5S

Mol. Weight:

236.63

Sildenafil Impurity 76

QCC Cat No.:

QS040676

CAS No.:

97-05-2

Mol Formula:

C7H6O6S

Mol. Weight:

218.18

Sildenafil Impurity 77

QCC Cat No.:

QS040677

CAS No.:

200575-16-2

Mol Formula:

C9H9ClO5S

Mol. Weight:

264.68

Sildenafil Impurity 78

QCC Cat No.:

QS040678

CAS No.:

116833-23-9

Mol Formula:

C5H12N2O3S

Mol. Weight:

180.23

Sildenafil Impurity 79

QCC Cat No.:

QS040679

CAS No.:

194602-23-8

Mol Formula:

C14H20N2O5S

Mol. Weight:

328.38

Sildenafil Impurity 80

QCC Cat No.:

QS040680

CAS No.:

200575-15-1

Mol Formula:

C22H32N6O5S

Mol. Weight:

492.59

Sildenafil Impurity 81

QCC Cat No.:

QS040681

CAS No.:

503064-95-7

Mol Formula:

C8H14N4O

Mol. Weight:

182.22

Sildenafil Impurity 82

QCC Cat No.:

QS040682

CAS No.:

247583-78-4

Mol Formula:

C8H14N4O

Mol. Weight:

182.22

Sildenafil Impurity 83

QCC Cat No.:

QS040683

CAS No.:

1185292-79-8

Mol Formula:

C8H13N3O

Mol. Weight:

167.21

Sildenafil Impurity 84

QCC Cat No.:

QS040684

CAS No.:

NA

Mol Formula:

C34H38N8O6S

Mol. Weight:

686.78

Sildenafil Impurity 85

QCC Cat No.:

QS040685

CAS No.:

NA

Mol Formula:

C21H30N6O5S

Mol. Weight:

478.57

Sildenafil Impurity 86

QCC Cat No.:

QS040686

CAS No.:

NA

Mol Formula:

C16H16N4O4

Mol. Weight:

328.32

Sildenafil EP Impurity A

QCC Cat No.:

QS041401

CAS No.:

1391053-95-4

Mol Formula:

C23H32N6O4S

Mol. Weight:

488.60

Sildenafil Impurity B

QCC Cat No.:

QS041402

CAS No.:

NA

Mol Formula:

C23H32N6O5S

Mol. Weight:

504.60

Sildenafil Impurity C

QCC Cat No.:

QS041403

CAS No.:

642928-07-2

Mol Formula:

C23H32N6O4S

Mol. Weight:

488.60

Sildenafil Impurity D

QCC Cat No.:

QS041404

CAS No.:

NA

Mol Formula:

C17H19ClN4O4S

Mol. Weight:

410.88

Sildenafil Impurity E

QCC Cat No.:

QS041405

CAS No.:

[NA]

Mol Formula:

C18H24N4O2

Mol. Weight:

328.41

Sildenafil Impurity F

QCC Cat No.:

QS041406

CAS No.:

139756-21-1

Mol Formula:

C17H20N4O2

Mol. Weight:

312.37

Sildenafil Impurity 151

QCC Cat No.:

QS041451

CAS No.:

1441-87-8

Mol Formula:

C7H5ClO2

Mol. Weight:

156.57