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USA Office
SINCO PHARMACHEM INC.
364 E Main Street Suite 1004 Middletown, DE 19709
Tel：+01 (302) 314 9524
sales@sincopharmachem.com

Strategical Partner:
SHENZHEN PHYSTANDARD BIO-TECH CO., LTD.
3rd Floor D Block QingChuang City Pink Town MinKang Road 292, MinZhi Street, LongHua, ShenZhen, GuangDong, China 518131
Tel: +86 755 8178 9528 Email: info@phystandard.com
www.phystandard.com.cn

Sildenafil

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Sildenafil

Propoxyphenyl-Hydroxyhomosildenafil
CAT #: S31616
CAS #: N/A
M.F .: C24H34N6O5S
M.W .: 518.64

Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomosildenafil)
CAT #: S31617
CAS #: 479073-90-0
M.F .: C24H34N6O4S2
M.W .: 534.70

Propoxyphenyl-Thiosildenafil
CAT #: S31618
CAS #: N/A
M.F .: C23H32N6O3S2
M.W .: 504.68

Depiperazinothiosildenafil
CAT #: S31619
CAS #: N/A
M.F .: C17H20N4O4S2
M.W .: 408.50

Propoxyphenyl Thiohomosidenafil
CAT #: S31620
CAS #: 479073-88-6
M.F .: C24H34N6O3S2
M.W .: 518.70

Sildenafil Related Compound 2
CAT #: S31621
CAS #: N/A
M.F .: C25H36N6O4S
M.W .: 516.67

Dithio-Desethyl Carbodenafil
CAT #: S31622
CAS #: N/A
M.F .: C22H28N6OS2
M.W .: 456.64

Dithio-Desmethyl Carbodenafil
CAT #: S31623
CAS #: N/A
M.F .: C23H30N6OS2
M.W .: 470.66

Aminothiosildenafil
CAT #: S31625
CAS #: N/A
M.F .: C21H29N7O3S2
M.W .: 491.64

Desmethyl Thiosildenafil
CAT #: S31626
CAS #: 479073-86-4
M.F .: C21H28N6O3S2
M.W .: 476.62

Propoxyphenyl Thioaildenafil
CAT #: S31627
CAS #: 856190-49-3
M.F .: C24H34N6O3S2
M.W .: 518.70

Dimethylacetildenafil
CAT #: S31628
CAS #: N/A
M.F .: C25H34N6O3
M.W .: 466.59

Sildenafil Impurity 2
CAT #: S31630
CAS #: 332374-42-2
M.F .: C14H20N2O4S
M.W .: 312.39

Sildenafil Impurity 3
CAT #: S31631
CAS #: 332374-45-5
M.F .: C22H32N6O4S
M.W .: 476.60

Amino Sildenafil
CAT #: S31632
CAS #: 319491-68-4
M.F .: C18H23N5O4S
M.W .: 405.48

Desethyl Carbodenafil
CAT #: S31633
CAS #: 1027192-92-2
M.F .: C22H28N6O3
M.W .: 424.51

Descarbon Sildenafil
CAT #: S31634
CAS #: 466684-88-8
M.F .: C20H28N6O4S
M.W .: 448.55

Sildenafil Impurity 6
CAT #: S31637
CAS #: N/A
M.F .: C8H14N4O2
M.W .: 198.23

Sildenafil Impurity 1
CAT #: S06009
CAS #: 2512206-40-3
M.F : C18H22N4O5S
M.W : 406.46

Sildenafil Impurity 4
CAT #: S01753
CAS #: N/A
M.F : C17H22N4O6S
M.W : 410.45

Sildenafil Impurity 5
CAT #: S01754
CAS #: 864164-45-4
M.F : C23H32N6O4S
M.W : 488.61

Sildenafil impurity 22
CAT #: S06010
CAS #: N/A
M.F : C19H24N4O5S
M.W : 420.48

Sildenafil Impurity ZI
CAT #: S11767
CAS #: N/A
M.F : C11H14O6S
M.W : 274.29

Sildenafil Impurity V-1
CAT #: S11765
CAS #: 263897-17-2
M.F : C21H30N6O5S
M.W : 478.57

Sildenafil Impurity IV-3
CAT #: S11763
CAS #: N/A
M.F : C13H18N2O5S C6H15N HCl
M.W : 314.36 101.19 36.46

Sildenafil Impurity Ⅳ-4
CAT #: S11764
CAS #: N/A
M.F : C12H16N2O5S C6H15N HCl
M.W : 300.33 101.19 36.46

Sildenafil Impurity C2
CAT #: S10094
CAS #: 300547-20-0
M.F : C21H30N6O5S
M.W : 478.57

Sildenafil Impurity ZJ
CAT #: S11768
CAS #: N/A
M.F : C13H18O6S
M.W : 302.34

Sildenafil Impurity Ⅳ-2
CAT #: S10428
CAS #: N/A
M.F : C22H26N2O10S2 2×C6H15N
M.W : 542.57 2×101.19

Sildenafil Impurity 6 HCl
CAT #: S01755
CAS #: N/A
M.F : C9H16N4O HCl
M.W : 196.25 36.46

Sildenafil Impurity SM2
CAT #: S01565
CAS #: 202066-14-6
M.F : C10H15N3O4
M.W : 241.25

Sildenafil Impurity E
CAT #: S11766
CAS #: 263897-18-3
M.F : C21H28N6O4S
M.W : 460.55

Sildenafil Impurity IV-1
CAT #: S02124
CAS #: 1308332-48-0
M.F : C13H18N2O5S
M.W : 314.36

Sildenafil Impurity 9
CAT #: S22212
CAS #: N/A
M.F : C21H28N4O5S
M.W : 448.54

N-Desmethyl Sildenafil HCl
CAT #: S12787
CAS #: 139755-82-1（free base）
M.F : C21H28N6O4S HCl
M.W : 460.56 36.46

Sildenafil Impurity 10
CAT #: S13205
CAS #: 360068-47-9
M.F : C8H10ClN3O3
M.W : 231.64

Sildenafil Impurity 7
CAT #: S13261
CAS #: 76424-56-1
M.F : C7H12N4O
M.W : 168.2

Sildenafil Impurity 10
CAT #: S13262
CAS #: 1185292-79-8
M.F : C8H13N3O
M.W : 167.21

Sildenafil Impurity 11
CAT #: S13263
CAS #: 304435-83-4
M.F : C10H17N3O2
M.W : 211.27

Sildenafil Impurity 12
CAT #: S13264
CAS #: 1441-87-8
M.F : C7H5ClO2
M.W : 156.57

Sildenafil Impurity 23
CAT #: S13492
CAS #: NA
M.F : C17H20N4O5S
M.W : 392.43

Sildenafil Impurity 14
CAT #: S14418
CAS #: 1643-19-2
M.F : C16H36N Br
M.W : 242.47 79.90

Sildenafil N-Oxide HCl
CAT #: S15458
CAS #: 1094598-75-0(free base)
M.F : C22H30N6O5S HCl
M.W : 490.58 36.46

Sildenafil Impurity 13
CAT #: S15486
CAS #: 133261-07-1
M.F : C10H16N2O2
M.W : 196.25

Sildenafil Impurity 24
CAT #: S16854
CAS #: 1971915-89-5
M.F : C19H24N4O5S
M.W : 420.48

Sildenafil Impurity 25
CAT #: S16914
CAS #: 200575-15-1
M.F : C22H32N6O5S
M.W : 492.6

Sildenafil Impurity 15 Trihydrate
CAT #: S18082
CAS #: 87749-50-6
M.F : C16H36N F 3×H2O
M.W : 242.47 19 3×18.02

Sildenafil Impurity 26
CAT #: P18161
CAS #: 911715-34-9
M.F : C9H14N4O3
M.W : 226.24

Sildenafil Impurity 27
CAT #: S18245
CAS #: NA
M.F : C17H22N4O4S
M.W : 378.45

Sildenafil Impurity 29
CAT #: S18485
CAS #: 2021224-02-0
M.F : C9H10O6S
M.W : 246.23

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