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5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE

CAS No.：139756-21-1

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5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE Basic information

Product Name:	5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE
Synonyms:	5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1;5-(2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7h-pyrazolo[4,3-d]-7-pyrimidinone;5-(2-Ethoxy Phenyl)-1,6-Dihydro-1-MethyI-3-Propyl-7H-Pyrazolo-[4,3-d] Pyrimidin-7-one.;5-(2-ETHOXYPHENYL)-1-ME-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO(4,3D)-7-PYRIMIDIN;5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE;5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE;7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE,5-(2-ETHOXYPHENYL)-1,4-DIHYDRO-1-METHYL-3-PROPYL-;Sildenafil LactaM IMpurity
CAS:	139756-21-1
MF:	C17H20N4O2
MW:	312.37
EINECS:
Product Categories:	Heterocyclic Compounds;Nucleotides and Nucleosides;Bases & Related Reagents;Intermediates;Nucleotides;Building Blocks;Heterocyclic Building Blocks;Pyrimidines
Mol File:	139756-21-1.mol

5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE Chemical Properties

Melting point	141-145 °C(lit.)
density	1.26±0.1 g/cm3(Predicted)
storage temp.	Sealed in dry,2-8°C
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
pka	10.27±0.20(Predicted)
color	White to Pale Beige
CAS DataBase Reference	139756-21-1

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
HS Code	2933998090

MSDS Information

Provider	Language
SigmaAldrich	English

5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE Usage And Synthesis

Chemical Properties	Light-Yellow Solid
Uses	Sildenafil impurity.
Uses	Sildenafil impurity

5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE Preparation Products And Raw materials

Raw materials	Ethanol-->Sulfuric acid-->Sodium-->Thionyl chloride-->Nitric acid-->Diethyl oxalate-->tert-Butanol-->Bromoethane-->Stannous chloride dihydrate-->Methylhydrazine-->Potassium tert-butoxide-->Salicylaldehyde-->2-Pentanone
Preparation Products	Thiosildenafil-->5-[5-(2-Chloroacetyl)-2-ethoxyphenyl]-1,6-dihydro-1-Methyl-3-propyl-7H-pyrazolo[4,3-d]pyriMidin-7-one-->Hydroxyhomosildenafil

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