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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: 330.3?C at 760mmHg

MP: 150-154 °C

FP: 153.5?C

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

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