| Identification | Back Directory | [Name]
5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | [CAS]
139756-22-2 | [Synonyms]
Sildenafil Impurity 7
Sildenafil intermediate
Sildenafil Chlorosulfone IMpurity
Sildenafil Chlorosulfonyl IMpurity
5-(5-CHLOROSULFONYL-2-ETHOXY PHENYL)-1-METHYL-3-N-PROPYL-1
3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1 H-pyrazolo-(4-3-d)-pyrimidine-5
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
4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo-[4,3-d]pyrimidin-5-yl)benzene-1-sulfo
5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride
4-Ethoxy-3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzene-1-sulfonyl chloride
4-Ethoxy-3-(1-Methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyriMidin-5-yl)benzene-1-sulfonyl chloride | [Molecular Formula]
C17H19ClN4O4S | [MDL Number]
MFCD09753597 | [MOL File]
139756-22-2.mol | [Molecular Weight]
410.88 |
| Chemical Properties | Back Directory | [Appearance]
Off-White Solid | [Melting point ]
180-182°C | [density ]
1.48±0.1 g/cm3(Predicted) | [storage temp. ]
-20°C Freezer, Under Inert Atmosphere | [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 |
| Hazard Information | Back Directory | [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. | [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. | [storage]
-20°C |
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