Basic information Safety Supplier Related

SILDENAFIL N-OXIDE

Basic information Safety Supplier Related

SILDENAFIL N-OXIDE Basic information

Product Name:
SILDENAFIL N-OXIDE
Synonyms:
  • SILDENAFIL N-OXIDE
  • 5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-propyl-7H-pyrazolo[4,3-d]pyriMidin-7-one
  • Sildenafil EP IMpurity B
  • Sildenafil impurity B
  • Sildenafil Impurity 14
  • Sildenafil Impurity 2(Sildenafil EP Impurity B)
  • Sildenafil N-Oxide Impurity
  • Sildenafil B
CAS:
1094598-75-0
MF:
C22H30N6O5S
MW:
490.58
Product Categories:
  • Aromatics
  • Heterocycles
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Sulfur & Selenium Compounds
Mol File:
Mol File
More
Less

SILDENAFIL N-OXIDE Chemical Properties

Melting point:
193-198°C
storage temp. 
Hygroscopic, Refrigerator, under inert atmosphere
solubility 
Chloroform (Sparingly), DMSO (Sparingly), Methanol (Slightly)
pka
4.57±0.20(Predicted)
form 
Solid
color 
White to Off-White
More
Less

SILDENAFIL N-OXIDE Usage And Synthesis

Uses

Sildenafil N-Oxide (Sildenafil EP Impurity B) is an impurity of Sildenafil citrate (S435000), as prodrug.

Uses

Sildenafil N-Oxide is an impurity of Sildenafil citrate (S435000), as prodrug.

SILDENAFIL N-OXIDESupplier

LangFangshi Zekang Pharma Tech CO.,Itd. Gold
Tel
0316-2883536 19333636468
Email
93618484@qq.com
Nantong Hanfang Biotechnology Co. , Ltd. Gold
Tel
18616537568
Email
hanfangpharma@126.com
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Email
jkinfo@jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Tel
021-50135380
Email
shchemsky@sina.com
Daicel Chiral Technologies (China)CO.,LTD
Tel
021-50460086-9 15921403865
Email
han_yajun@dctc.daicel.com