Basic information Safety Supplier Related

Sildenafil EP IMpurity D

Basic information Safety Supplier Related

Sildenafil EP IMpurity D Basic information

Product Name:
Sildenafil EP IMpurity D
Synonyms:
  • Sildenafil EP IMpurity D
  • 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-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
  • Methisosildenafil Impurity 19
  • Sildenafil D
  • Sildenafil impurity D
  • Sildenafil Impurity 4(Sildenafil EP Impurity D)
  • 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
CAS:
1357931-55-5
MF:
C17H20N4O5S
MW:
392.43
Mol File:
1357931-55-5.mol
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Sildenafil EP IMpurity D Chemical Properties

Density 
1.48±0.1 g/cm3(Predicted)
solubility 
DMSO (Slightly), Methanol (Slightly, Sonicated), Water (Slightly)
pka
-0.81±0.50(Predicted)
form 
Solid
color 
White to Light Brown
Stability:
Hygroscopic
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Sildenafil EP IMpurity D Usage And Synthesis

Uses

Demethylpiperazinyl Sildenafil Sulfonic Acid (Sildenafil EP Impurity D) is an impurity of Sildenafil citrate (S435000).

Sildenafil EP IMpurity DSupplier

Chengdu Saint - Kay Biotechnology Co., Ltd. Gold
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028-85157043 15882256948
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676046971@qq.com
S.Z. PhyStandard Bio-Tech. Co., Ltd. Gold
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0755-4000505016 13380397412
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3001272453@qq.com
Shanghai Xiang Xin Industrial Co., Ltd. Gold
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021-50211651 13651607026
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sales@xxgmpharm.com
Nantong Hanfang Biotechnology Co. , Ltd. Gold
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18616537568
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hanfangpharma@126.com
Daicel Chiral Technologies (China)CO.,LTD
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021-50460086-9 15921403865
Email
han_yajun@dctc.daicel.com