Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Chloro-5-Methoxypyridazin-3(2H)-One
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Chloro-5-Methoxypyridazin-3(2H)-One
Price: ￥908.0/1g ￥378.0/250mg
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

63910-43-0

63910-43-0 structure

63910-43-0 structure

Name: 4-Chloro-5-Methoxypyridazin-3(2H)-One
Chemical Name: 4-Chloro-5-Methoxypyridazin-3(2H)-One
CAS Number: 63910-43-0
Molecular Formula: C₅H₅ClN₂O₂
Molecular Weight: 160.55800
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridazine
Create Date: 2018-12-24 20:28:48
Modify Date: 2025-08-25 16:28:12

Name	4-Chloro-5-Methoxypyridazin-3(2H)-One
Synonyms	5-chloro-4-methoxy-1H-pyridazin-6-one

Density	1.51 g/cm3
Melting Point	225 °C(dec.)
Molecular Formula	C₅H₅ClN₂O₂
Molecular Weight	160.55800
Exact Mass	160.00400
PSA	54.98000
LogP	0.43190
Index of Refraction	1.59
Storage condition	2-8°C

Hazard Codes	Xi
HS Code	2933990090

Precursor 10
17216-08-9 859214-49-6 637-89-8 123-30-8
1193-02-8 932-22-9 124-41-4 67-56-1
134541-32-5 108-91-8
DownStream 9
20733-11-3 2514-18-3 64178-58-1 123696-01-5
14628-57-0 1036934-84-5 898261-83-1 927396-13-2
63910-32-7

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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