![5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone,CAS No. 139756-21-1.](https://public.whmall.com/system/0/chemical/image/2007/09/04/1188888888-16409_C17H20N4O2.png "5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone,CAS No. 139756-21-1.")
5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone CAS No.139756-21-1 / Cat No.EBD16409
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
5-(2-ethoxyphenyl)-1-methyl-3-n-propyl-1
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
7h-pyrazolo[4,3-d]pyrimidin-7-one,5-(2-ethoxyphenyl)-1,4-dihydro-1-methyl-3-propyl-
sildenafil lactam impurity
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
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
7H-Pyrazolo[4,3-D]Pyrimidin-7-One,5-(2-Ethoxyphenyl)-1,4-Dihydro-1-Methyl-3-Propyl-
5-(2-Ethoxyph
Properties
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Melting point:
141-145 °C(lit.)
Safety Information
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Symbol:
-
Signal words:
Warning -
Hazard statements:
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
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Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
NMR Spectrum
Prediction： 1H NMR (400 MHz CDC13): 10.80(s 1H), 8.46(m 1H), 7.47(m 1H), 7.14(m 1H) 7.06(m 1H) 4.38 (q, J=7.OHz 2H), 4.27(s 3H), 2.94(t, J= 7.6 Hz 2H), 1 .87(m 2H), 1 .64(t, J = 7.0Hz 3H). 1 .03(t J = 7.2Hz 3H).ppm
1H NMR
13C NMR
