Sildenafil Chlorosulfonyl

Sildenafil Chlorosulfonyl Structure
CAS No.
139756-22-2
Chemical Name:
Sildenafil Chlorosulfonyl
Synonyms
Sildenafil Impurity 7;Methisosildenafil-004;Sildenafil intermediate;Sildenafil Chlorosulfone;Sildenafil chlorosulfonyl;Methisosildenafil Impurity 33;Sildenafil Chlorosulfone IMpurity;Sildenafil Chlorosulfonyl IMpurity;5-(5-CHLORO SULFONYL-2-ETHOXY PHENYL)-1-;4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro
CBNumber:
CB11175931
Molecular Formula:
C17H19ClN4O4S
Molecular Weight:
410.88
MOL File:
139756-22-2.mol
MSDS File:
SDS
Modify Date:
2023/9/4 17:31:24

Sildenafil Chlorosulfonyl Properties

Melting point 180-182°C
Density 1.48±0.1 g/cm3(Predicted)
storage temp. Inert atmosphere,2-8°C
solubility Chloroform (Slightly), Methanol (Slightly, Heated)
form Solid
pka 9.87±0.20(Predicted)
color White to Pale Beige
Stability Moisture Sensitive
InChI InChI=1S/C17H19ClN4O4S/c1-4-6-12-14-15(22(3)21-12)17(23)20-16(19-14)11-9-10(27(18,24)25)7-8-13(11)26-5-2/h7-9H,4-6H2,1-3H3,(H,19,20,23)
InChIKey RVVOSOSBFSYZDM-UHFFFAOYSA-N
SMILES C1(S(Cl)(=O)=O)=CC=C(OCC)C(C2NC(=O)C3N(C)N=C(CCC)C=3N=2)=C1
CAS DataBase Reference 139756-22-2

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P280-P301+P330+P331-P303+P361+P353
HS Code  2933599590
NFPA 704
0
2 0

Sildenafil Chlorosulfonyl Chemical Properties,Uses,Production

Description

Sildenafil chlorosulfonyl is a synthetic intermediate in the synthesis of the phosphodiesterase 5 (PDE5) inhibitor sildenafil. It is also a potential impurity found in commercial preparations of sildenafil.

Chemical Properties

Off-White Solid

Uses

The compound Sildenafil Chlorosulfonyl Impurity (139756-22-2) is a derivative of Sildenafil. It is widely used in the treatment of pulmonary hypertension as it is capable of inhibiting cGMP and acts as a potent selective inhibitor of PDE5.

Sildenafil Chlorosulfonyl Preparation Products And Raw materials

Raw materials

Preparation Products

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3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1 H-pyrazolo-(4-3-d)-pyrimidine-5 3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 5-(5-CHLOROSULFONYL-2-ETHOXY PHENYL)-1-METHYL-3-N-PROPYL-1 Sildenafil Chlorosulfonyl IMpurity 4-Ethoxy-3-(1-Methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyriMidin-5-yl)benzene-1-sulfonyl chloride Sildenafil Chlorosulfone IMpurity 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo-[4,3-d]pyrimidin-5-yl)benzene-1-sulfo 4-Ethoxy-3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzene-1-sulfonyl chloride Sildenafil intermediate 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl) 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo-[4,3-d]pyrimidin-5-yl)benzene-1-su Sildenafil Impurity 7 Methisosildenafil-004 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazole[4,3-d]pyrimidine-7-one Sildenafil impurity 33/Sildenafil Chlorosulfonyl/Sildenafil Chlorosulfone Impurity/5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazole[4,3-d]pyrimidine-7-one 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro 5-(5-CHLORO SULFONYL-2-ETHOXY PHENYL)-1- 5-(5-CHLORO SULFONYL-2-ETHOXY PHENYL)-1- METHYL-3-PROPYL-1 6-DIHYDRO-7H-PYRAZOL O-(4 3-D)PYRIMIDINE-7-ONE Methisosildenafil Impurity 33 Benzenesulfonyl chloride, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy- Demethylpiperazinyl sildenafil sulfonyl chloride 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride 5-(5-CHLORO SULFONYL-2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO-[4,3,D]-PYRIMIDINE-7-ONE 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-Chemicalbookpropyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-di... Sildenafil Chlorosulfone Sildenafil chlorosulfonyl 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-4,7-dihydro-1H-pyrazolo4,3-dpyrimidin-5-yl)benzene-1-sulfonyl chloride 4-Ethoxy-3-(1-methy1-7-oxo~3-propy1-6,7-diliydro-lH-pyrazolo[4,3-d]pyrimidin-5-yl)benzene-1-suIfonyl cliloride 139756-22-2 Bases & Related Reagents Nucleotides Sulfonyl Chlorides