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ChemicalBook >> CAS DataBase List >>5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one Structure
5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one structure
CAS No.
139756-30-2
Chemical Name:
5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Synonyms
Sildenafil Impurity 168;5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one ;7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(2-ethoxyphenyl)-1,6-dihydro-3-propyl-
CBNumber:
CB52486678
Molecular Formula:
C16H18N4O2
Molecular Weight:
298.34
MDL Number:
MFCD16251376
MOL File:
139756-30-2.mol
Last updated:2023-04-23 13:52:06
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5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one Properties

Melting point 250-252°C
Density 1.32±0.1 g/cm3(Predicted)
storage temp. Refrigerator
solubility Dichloromethane, DMF, DMSO (Slightly), Methanol (Slightly)
pka 10.25±0.20(Predicted)
form Solid
color White

5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC E892765 5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 139756-30-2 25mg $140 2021-12-16 Buy
American Custom Chemicals Corporation KIN0001049 5-(2-ETHOXYPHENYL)-3-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO(4,3-D)PYRIMIDIN-7-ONE 95.00% 139756-30-2 5MG $774.4 2021-12-16 Buy
American Custom Chemicals Corporation KIN0001049 5-(2-ETHOXYPHENYL)-3-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO(4,3-D)PYRIMIDIN-7-ONE 95.00% 139756-30-2 50MG $1871.1 2021-12-16 Buy
Product number Packaging Price Buy
E892765 25mg $140 Buy
KIN0001049 5MG $774.4 Buy
KIN0001049 50MG $1871.1 Buy

5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

Potent PDE inhibitor scaffold with in vivo activity. Intermediate for the preparation of Desmethylsildenafil.

5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one Preparation Products And Raw materials

Raw materials

Preparation Products

5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one Suppliers

Global( 18)Suppliers
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 jkinfo@jkchemical.com China 94717 76
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32344 50
Shanghai TaoSu Biochemical Technology Co., Ltd. 021-33632979 info@tsbiochem.com China 8073 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 13028896684 sales@rrkchem.com China 56070 58
Energy Chemical 021-58432009 400-005-6266 marketing@energy-chemical.com China 44941 58
QUALITY CONTROL SOLUTIONS LTD. 13670046396 ORDERS@QCSRM.COM China 18865 58
Hubei Weideli Chemical Reagent Co.，Ltd. 13339985473 C13339985473@163.com China 4552 58
Hubei Weideli Chemical Reagent Co.，Ltd. 027-59222918 13385289472 Z13385289472@163.com China 4564 58
Jiangsu Boquan Biotechnology Co., Ltd. 15252131412; 15252131412 5954981@qq.com China 3004 58
Shanghai YuZn Pharm. Technology Co.,Ltd. 15921286451; 15921286451 2010681527@qq.com China 5070 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Chemsky（shanghai）International Co.,Ltd. 50
Shanghai TaoSu Biochemical Technology Co., Ltd. 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. 58
Energy Chemical 58
QUALITY CONTROL SOLUTIONS LTD. 58
Hubei Weideli Chemical Reagent Co.，Ltd. 58
Hubei Weideli Chemical Reagent Co.，Ltd. 58
Jiangsu Boquan Biotechnology Co., Ltd. 58
Shanghai YuZn Pharm. Technology Co.,Ltd. 58
5-(2-Ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(2-ethoxyphenyl)-1,6-dihydro-3-propyl- Sildenafil Impurity 168 139756-30-2 Aromatics Heterocycles Inhibitors Aromatics, Heterocycles, Inhibitors