Discountable price L(+)-Potassium hydrogen tartrate - 4-Amino-3,5-Dichloropyridine CAS 22889-78-7 Purity ≥99.0% Roflumilast Interemdiate Factory – Ruifu

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Discountable price L(+)-Potassium hydrogen tartrate - 4-Amino-3,5-Dichloropyridine CAS 22889-78-7 Purity ≥99.0% Roflumilast Interemdiate Factory – Ruifu Detail:

Manufacturer Supply, High Purity, Commercial Production
Chemical Name: 4-Amino-3,5-Dichloropyridine
CAS: 22889-78-7

Chemical Name 4-Amino-3,5-Dichloropyridine
CAS Number 22889-78-7
CAT Number RF-PI647
Stock Status In Stock, Production Scale Up to Tons
Molecular Formula C5H4Cl2N2
Molecular Weight 163.00
Brand Ruifu Chemical
Item Specifications
Appearance White Crystalline Powder
Purity ≥99.5%
Melting Point 159.0~163.0℃
Moisture (K.F) ≤0.50%
Ash Content ≤0.50%
Total Impurities ≤0.50%
Test Standard Enterprise Standard
Usage Pharmaceutical Intermediates

Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer’s requirement.

Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture.

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4-Amino-3,5-Dichloropyridine (CAS: 22889-78-7) is the interemdiate of Roflumilast (CAS: 162401-32-3). Roflumilast is a selective oral phosphodiesterase-4 (PDE-4) inhibitor and a benzamide compound. It was developed by the German company Altana in 1993 and is the only oral PDE-4 inhibitor used to treat respiratory tract diseases approved for sale. Roflumilast is the first drug of its kind to target severe chronic obstructive pulmonary disease (COPD), and it is also the first oral anti-inflammation drug specifically developed for COPD patients.


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