Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,5-Dichloropyridine-2,3-diamine
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,5-DICHLOROPYRIDINE-2,3-DIAMINE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

662116-66-7

662116-66-7 structure

662116-66-7 structure

Name: 4,5-Dichloropyridine-2,3-diamine
Chemical Name: 4,5-Dichloropyridine-2,3-diamine
CAS Number: 662116-66-7
Molecular Formula: C₅H₅Cl₂N₃
Molecular Weight: 178.01900
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Chloropyridine
Create Date: 2019-02-17 00:43:57
Modify Date: 2025-08-25 11:15:35

Name	4,5-Dichloropyridine-2,3-diamine
Synonyms	4,5-dichloropyridine-2,3-diamine

Density	1.602
Molecular Formula	C₅H₅Cl₂N₃
Molecular Weight	178.01900
Exact Mass	176.98600
PSA	64.93000
LogP	2.71520

HS Code	2933399090

662116-67-8 structure

662116-67-8

~67%

662116-66-7 structure

662116-66-7

Literature: ASTRAZENECA AB Patent: WO2004/16611 A1, 2004 ; Location in patent: Page 97 ; WO 2004/016611 A1

Precursor 1
662116-67-8
DownStream 0

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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