Log in | Join Free | china | japan | germany
ChemicalBook--->CAS DataBase List--->1357931-55-5

1357931-55-5

Request For Quotation
1357931-55-5 Structure

1357931-55-5 Structure
IdentificationBack Directory
[Name]

Sildenafil EP IMpurity D
[CAS]

1357931-55-5
[Synonyms]

Sildenafil D
Sildenafil impurity D
Sildenafil EP IMpurity D
Methisosildenafil Impurity 19
Sildenafil Impurity 4(Sildenafil EP Impurity D)
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic acid
4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
Benzenesulfonic acid, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-
Sildenafil Impurity 4/Sildenafil EP Impurity D/ Demethylpiperazinyl Sildenafil Sulfonic Acid/4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
Imp. D (Pharmeuropa): 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1Hpyrazolo[4,3-d]-pyrimidin-5-yl)benzenesulfonic Acid(3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1Hpyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonicAcid)
[Molecular Formula]

C17H20N4O5S
[MDL Number]

MFCD22683782
[MOL File]

1357931-55-5.mol
[Molecular Weight]

392.43
Chemical PropertiesBack Directory
[density ]

1.48±0.1 g/cm3(Predicted)
[pka]

-0.81±0.50(Predicted)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H335-H319
[Precautionary statements ]

P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
Hazard InformationBack Directory
[Uses]

Demethylpiperazinyl Sildenafil Sulfonic Acid (Sildenafil EP Impurity D) is an impurity of Sildenafil citrate (S435000).
1357931-55-5 suppliers list
Company Name: Standardpharm Co. Ltd.
Tel: 86-714-3992388
Website: www.standardpharm.com
Company Name: career henan chemical co
Tel: +86-0371-86658258 15093356674; , 15093356674;
Website: http://www.coreychem.com
Company Name: Antai Fine Chemical Technology Co.,Limited
Tel: 18503026267 , 18503026267
Website: www.chemicalbook.com/ShowSupplierProductsList1980510/0.htm
Company Name: sgtlifesciences pvt ltd
Tel: +8617013299288 , +8617013299288
Website: https://www.chemicalbook.com/ShowSupplierProductsList1846349/0.htm
Company Name: China National Standard Pharmaceutical Corporation Limited
Tel: +8615391658522 , +8615391658522
Website: https://www.standardpharm.org.cn/
Company Name: Varanous Labs Pvt Ltd  
Tel: +91-7036248882 +91-7036248882
Website: www.varanouslabs.com
Company Name: GLP Pharma Standards  
Tel: +91 9866074638
Website: www.glppharmastandards.com
Company Name: Chengdu Saint - Kay Biotechnology Co., Ltd.  Gold
Tel: 028-85157043 15882256948
Website: https://www.chemicalbook.com/ShowSupplierProductsList30701/0.htm
Company Name: S.Z. PhyStandard Bio-Tech. Co., Ltd.  Gold
Tel: 0755-4000505016 13380397412
Website: www.phystandard.com.cn
Company Name: Shanghai Xiang Xin Industrial Co., Ltd.  Gold
Tel: 021-50211651 13651607026
Website: http://www.xxgmpharm.com
Company Name: Daicel Chiral Technologies (China)CO.,LTD  
Tel: 021-50460086-9 15921403865
Website: http://www.daicelchiraltech.cn/reagents/Default.aspx
Company Name: BOC Sciences  
Tel: 1-631-485-4226; 16314854226
Website: https://www.bocsci.com
Company Name: ChemStrong Scientific Co.,Ltd  
Tel: 0755-0755-66853366 13670046396
Website: www.chem-strong.com
Company Name: Nanjing XiZe Biotechnology CO., Ltd.  
Tel: 025-58362220 15250997978
Website: http://www.njxizebio.com
Company Name: BOC Sciences  
Tel: 16314854226
Website: www.bocsci.com
Company Name: Shijiazhuang yaoBo Pharmaceutical Co., Ltd.  
Tel: 15633056635
Website: www.yaoboyiyao.com/
Company Name: Shenzhen SUNGENING Bio-Medical Co., Ltd.  
Tel: 0755-28967200 13631290199
Website: http://www.sungening.com
Company Name: Aikon International Limited  
Tel: 025-58859352 18068836627
Website: http://www.aikonchem.com
Tags:1357931-55-5 Related Product Information
139756-03-9 1829588-57-9 62871-12-9 1346603-48-2 139756-02-8 877777-10-1 139755-82-1 642928-07-2 1971915-89-5 1346602-67-2 1094598-75-0 139756-26-6 372089-76-4 139756-01-7 1391053-95-4 139755-91-2 139756-00-6 200575-15-1