Product Details
| Product Name: Sildenafil Impurity 4 | CAS No.: 147676-78-6 |
| Min. Order: 5mg | Purity: 95%+ |
| Supply Ability: 1000mg | Release date: 2025/12/19 |
| MF: C18H20N4O4 | MW: 356.38 |
Sildenafil Impurity 4
CAS number: 147676-78-6
Product Code: REF-S32024
Molecular formula: C18H20N4O4
Molecular weight: 356.38
Purity: 95.29%
Product nature: Customized for customers
Appearance characteristics: N/A
Storage conditions:- 20℃
Chemical name: 5- (5-Carboxy-2-ethoxyphenyl) -1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazol [4,3d] pyramidin-7-one
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TOSUN PHARM was established in 1999. In China, it is a collection of drugs, APIs, reference listed drugs, impurities, excipients, intermediates import and export, import registration services, generic drug research and development services, innovative drugs and high-end FDF technology transfer, A group company integrating marketing, academic promotion and cooperative production. With a global procurement, R&D and marketing network, it can quickly meet the needs of product R&D, production and market sales of Chinese and global pharmaceutical companies.
Company Profile Introduction
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- Since: 1999-12-28
- Address: Room 1201, Room 1203, No. 181 Science Avenue, Huangpu District, Guangzhou City, Guangdong Province,

China