Classification: Sildenafil
Compound English name: 4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide
CAS No.: 139756-02-8
Molecular formula: C8H14N4O
Molecular weight: 182.223
LogP: 1.3352
PSA: 86.93
Refractive index: 1.618
Density: 1.32g/cm3
Melting point: 98-101oC
An impurity in the synthesis of Sildenafil.
Chemical Name |
4-Amino-1-methyl-3-propyl-1H-pyrazole-5-carboxamide |
Synonyms |
4-Amino-1-methyl-3-n-propyl-5-pyrazolecarboxamide;4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide;1H-Pyrazole-5-carboxamide,4-amino-1-methyl-3-n-propyl;4-amino-2-methyl-5-propylpyrazole-3-carboxamide; |
CAS No. |
139756-02-8 |
Molecular Formula |
C8H14N4O |
Molecular Weight |
182.22300 |
PSA |
86.93000 |
LogP |
1.33520 |
Density |
1.32g/cm3 |
Boiling Point |
325.9ºC at 760mmHg |
Melting Point |
98-101ºC |
Flash Point |
150.9ºC |
Refractive Index |
1.618 |
Vapor Pressure |
0.000223mmHg at 25°C |
Safety Statements |
S26-S36 |
HS Code |
2933199090 |
WGK Germany |
3 |
Risk Statements |
R36/37/38 |
Hazard Codes |
Xi |
Symbol |
GHS07 |
Signal Word |
Warning |
Caution Statement |
P261; P305 + P351 + P338 |
Hazard Declaration |
H315; H319; H335 |
Jinan Xinnuo Pharmaceutical Technology Co., Ltd. is a high-tech enterprise specializing in the production of pharmaceutical intermediates. The company has been engaged in the research, development and production of chemical intermediates for more than 10 years. It integrates research, development, production, import and export trade, strong technical force, advanced testing methods, strong research and development capabilities and superb synthetic technology. It is an incubator of Jinan Pharmaceutical Valley. Committed to gout, nutrition, anti-cancer, anti-depression, anti-age dementia and drug synthesis in the cardiovascular and cerebrovascular fields. The products are mainly exported, and the products are exported to more than 40 countries and regions such as Southeast Asia, South America and Eastern Europe.
The company has a complete quality assurance system and strong scientific research and innovation strength. Every year, new market-oriented and high-tech synthetic drugs are launched. We are willing to provide you with quality products and competitive prices. Efficient service.
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