4-Amino-3,5-Dichloropyridine CAS 22889-78-7 Roflumilast Interemdiate Purity ≥99.5%

Short Description:

Chemical Name: 4-Amino-3,5-Dichloropyridine

CAS: 22889-78-7

Purity: ≥99.5% (HPLC)

Appearance: White Crystalline Powder

Interemdiate of Roflumilast (CAS: 162401-32-3)

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Product Detail

Product Tags

Description:

Ruifu Chemical Supply Roflumilast Intermediates:
Roflumilast CAS 162401-32-3
4-Amino-3,5-Dichloropyridine CAS 22889-78-7

Chemical Properties:

Chemical Name	4-Amino-3,5-Dichloropyridine
Synonyms	3,5-Dichloro-4-Pyridinamine; Roflumilast Impurity C
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

Specifications:

Item	Specifications
Appearance	White Crystalline Powder
Purity / Analysis Method	≥99.5% (HPLC)
Melting Point	158.0~162.0℃
Moisture (K.F)	≤0.50%
Ash Content	≤0.50%
Total Impurities	≤0.50%
Test Standard	Enterprise Standard
Usage	Interemdiate of Roflumilast (CAS: 162401-32-3)

Package & Storage:

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

Advantages:

FAQ:

Application:

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.