Factory Supply 99% Desmethylsildenaf Manufacturer CAS 139755-82-1 Sex Hormones
Features
We have many years of R&D and manufacturing experience in the field of 2,5-Bis(2-propyn-1-yloxy)-1,4-benzenedicarboxaldehyde, CAS: 91419-53-3, CAS: 848952-83-0, and can improve the most cost-effective products for you. So please will not hesitate to call us. Our company promises to establish a monument in the industry with complete construction ability, scientific operation management and strong strength.
Intermediate in the production of Sildenafil and respective analogs.
Product Details:
Name: 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid
Synonyms:
2-methyl-5-propylpyrazole-3-carboxylic acid;
CAS: 139755-99-0
EINECS: N/A
MF:C8H12N2O2
MW: 168.19300
Density: 1.19g/cm3
BP: 330.3ºC at 760mmHg
MP: 150-154 °C
FP: 153.5ºC
Purity: 95%+
Stability:Stable under normal temperatures and pressures.
Acidity factor (pKa):3.10±0.25(Predicted)
Package: 5g, 25g, 100g, 500g, 1kg, 25kg
Application: Used to synthesize Viagra and other drugs