5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one
![5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one price.](/CAS/GIF/147676-78-6.gif)
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- $135 - $1755
- Product name: 5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one
- CAS: 147676-78-6
- MF: C18H20N4O4
- MW: 356.38
- EINECS:
- MDL Number:MFCD11977916
- Synonyms:5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one;3-(6,7-Dihydro-1-Methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyriMidin-5-yl)-4-ethoxy-benzoic Acid;Sildenafil Impurity 4;Sildenafil Carboxylic Acid Impurity;Sildenafil Impurity IV-4;Benzoic acid, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-;Sildenafil Carboxylic Acid Derivative;4-Ethoxy-3-(7-hydroxy-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid
20 prices
Selected condition：
Brand
- aablocks
- ACHEMBLOCK
- AK Scientific
- Biosynth
- TRC
- Usbiological
Package
- 5MG
- 25MG
- 50mg
- 100mg
- 250mg
- 500mg
- Manufactureraablocks
- Product numberAA00AD9W
- Product description4-Ethoxy-3-(7-hydroxy-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid 98%
- Packaging100mg
- Price$1004
- Updated2026-05-28
- Buy
- ManufacturerACHEMBLOCK
- Product numberAD270125
- Product descriptionNorneovardenafil 95%
- Packaging25MG
- Price$675
- Updated2026-05-27
- Buy
- ManufacturerACHEMBLOCK
- Product numberAD270125
- Product descriptionNorneovardenafil 95%
- Packaging5MG
- Price$225
- Updated2026-05-27
- Buy
- ManufacturerACHEMBLOCK
- Product numberAD270125
- Product descriptionNorneovardenafil 95%
- Packaging100MG
- Price$1755
- Updated2026-05-27
- Buy
- ManufacturerAK Scientific
- Product number3202EM
- Product descriptionAcetilacid
- Packaging100mg
- Price$522
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product number3202EM
- Product descriptionAcetilacid
- Packaging250mg
- Price$1130
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product number3202EM
- Product descriptionAcetilacid
- Packaging500mg
- Price$1737
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFC19751
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging500mg
- Price$1120
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFC19751
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging100mg
- Price$300
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFC19751
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging250mg
- Price$675
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFC19751
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging100mg
- Price$900
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFC19751
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging50mg
- Price$900
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFC19751
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging250mg
- Price$1650
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFC19751
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging25mg
- Price$137.5
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFC19751
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging50mg
- Price$220
- Updated2021-12-16
- Buy
- ManufacturerTRC
- Product numberC177990
- Product description5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- Packaging50mg
- Price$135
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00AD9W | 4-Ethoxy-3-(7-hydroxy-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid 98% | 100mg | $1004 | 2026-05-28 | Buy |
| ACHEMBLOCK | AD270125 | Norneovardenafil 95% | 25MG | $675 | 2026-05-27 | Buy |
| ACHEMBLOCK | AD270125 | Norneovardenafil 95% | 5MG | $225 | 2026-05-27 | Buy |
| ACHEMBLOCK | AD270125 | Norneovardenafil 95% | 100MG | $1755 | 2026-05-27 | Buy |
| AK Scientific | 3202EM | Acetilacid | 100mg | $522 | 2021-12-16 | Buy |
| AK Scientific | 3202EM | Acetilacid | 250mg | $1130 | 2021-12-16 | Buy |
| AK Scientific | 3202EM | Acetilacid | 500mg | $1737 | 2021-12-16 | Buy |
| Biosynth | FC19751 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 500mg | $1120 | 2021-12-16 | Buy |
| Biosynth | FC19751 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 100mg | $300 | 2021-12-16 | Buy |
| Biosynth | FC19751 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 250mg | $675 | 2021-12-16 | Buy |
| Biosynth | FC19751 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 100mg | $900 | 2026-06-04 | Buy |
| Biosynth | FC19751 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 50mg | $900 | 2026-06-04 | Buy |
| Biosynth | FC19751 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 250mg | $1650 | 2026-06-04 | Buy |
| Biosynth | FC19751 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 25mg | $137.5 | 2021-12-16 | Buy |
| Biosynth | FC19751 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 50mg | $220 | 2021-12-16 | Buy |
| TRC | C177990 | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one | 50mg | $135 | 2021-12-16 | Buy |
Properties
Melting point :280-287°C
Density :1.38±0.1 g/cm3(Predicted)
storage temp. :Refrigerator
solubility :DMSO (Slightly), Methanol (Very Slightly, Heated)
form :Solid
pka :4.18±0.10(Predicted)
color :White to Off-White
Density :1.38±0.1 g/cm3(Predicted)
storage temp. :Refrigerator
solubility :DMSO (Slightly), Methanol (Very Slightly, Heated)
form :Solid
pka :4.18±0.10(Predicted)
color :White to Off-White
Safety Information
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Description
5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one could be a possible metabolite of Gendenafil (G349960) based on the metabolic pathway of Sildenafil (S435000, Citrate salt), an analogue of Gendenafil.More related product prices
Sildenafil EP IMpurity D Sildenafil citrate 5-CHLOROSULFONYL-2-ETHOXYBENZOIC ACID 5-chloro-2-ethoxybenzoic acid 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 4-(2-Ethoxy benzamido)-1-methyl-3-n-propyl pyrazole-5-carboxamide. 139756-01-7 139756-21-1 1H-Pyrazolo[4,3-d]pyriMidine, 3-(2-Methylpropyl)- 2-Ethoxybenzoyl chloride Sildenafil DiMer IMpurity salicyloyl chloride Homo Sildenafil 1-METHYL-3-PROPYLPYRAZOLE-5-CARBOXYLIC ACID 17243-13-9 4-AMINO-1-METHYL-5-PROPYL-1H-PYRAZOLE-3-CARBOXYLIC ACID AMIDERelated product price
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Sildenafil EP IMpurity D
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$5-2004 -
5-CHLOROSULFONYL-2-ETHOXYBENZOIC ACID
$10-1421.65
Suppliers and manufacturers
Guangzhou Tosun Pharmaceutical Ltd
Guangzhou Tosun Pharmaceutical Limited
J & K SCIENTIFIC LTD.
Chemsky（shanghai）International Co.,Ltd.
Shanghai TaoSu Biochemical Technology Co., Ltd.
Quality Control Solutions Ltd.
Shanghai Kewel Chemical Co., Ltd.
BOC Sciences
PI & PI BIOTECH INC.
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Sildenafil Impurity 4
CAS:147676-78-6