Wholesale Tadalafil Vardenafil Sildelafi CAS 171596-29-5/139755-83-Two /224785-90-4 with Safe Shipping
Features
After years of development, we have become a professional manufacturer of 5-bromo-3-ethynylpyridin-2-amine, Tert-butyl (3R)-3-(hydroxymethyl)piperazine-1-carboxylate, CAS: 397308-78-0. Looking forward to the future, there is a long way to go. We will make more brilliant achievements by adhering to the tenet of ‘professional technology and perfect service’. In the process of development, our company pays attention to environmental protection, develops low-carbon economy and improves the environmental protection level of upstream and downstream enterprises. The company is committed to the development of new products in the market and pursues the principle of improving product quality and treating customers wholeheartedly. We insist on customer-centric, innovate around customer needs, and create maximum value for customers. We believe that to achieve customers is to achieve ourselves, and strive to become customers’ first choice and best partner. Our company create integrity from the details, reflect integrity from the action to and focuse on product development and production.
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