Sildenafil EP IMpurity D Chemical Properties

Density 

1.48±0.1 g/cm3(Predicted)

storage temp. 

Storage temp. 2-8°C

solubility 

DMSO (Slightly), Methanol (Slightly, Sonicated), Water (Slightly)

pka

-0.81±0.50(Predicted)

form 

Solid

color 

White to Light Brown

Stability:

Hygroscopic

InChI

InChI=1S/C17H20N4O5S/c1-4-6-12-14-15(21(3)20-12)17(22)19-16(18-14)11-9-10(27(23,24)25)7-8-13(11)26-5-2/h7-9H,4-6H2,1-3H3,(H,18,19,22)(H,23,24,25)

InChIKey

DFABUTFBIDMPKZ-UHFFFAOYSA-N

SMILES

C1(S(O)(=O)=O)=CC=C(OCC)C(C2NC(=O)C3N(C)N=C(CCC)C=3N=2)=C1

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 D(1357931-55-5)Related Product Information

• 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(5-chloro-2-ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl-
• 5-chloro-2-ethoxybenzoic acid
• 4-(2-Ethoxy benzamido)-1-methyl-3-n-propyl pyrazole-5-carboxamide.
• De(Methypiperazinyl) Sildenafil DiMer IMpurity
• 4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide
• Propoxyphenyl Sildenafil
• DESMETHYL SILDENAFIL
• Homo Sildenafil
• Sildenafil impurity
• Sildenafil DiMer IMpurity
• SILDENAFIL N-OXIDE
• 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-
• 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide
• 1-Methyl-4-nitro-3-propyl-(1H)-pyrazole-5-carboxamide
• 5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one
• Desethyl Sildenafil
• 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
• 1H-PYRAZOLE-5-CARBOXAMIDE, 4-[[2-ETHOXY-5-[(4-METHYL-1-PIPERAZINYL)SULFONYL]BENZOYL]AMINO]-1-METHYL-3-PROPYL-