Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-amino-2,3-dihydropyridazin-3-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: 5-amino-2,3-dihydropyridazin-3-one
Price: ￥2228.0/250mg ￥748.0/50mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Aino-1H-pyridazin-6-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 5-amino-2,3-dihydropyridazin-3-one
Price: ￥Inquiry/100mg ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/250mg
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

89033-30-7

89033-30-7 structure

89033-30-7 structure

Name: 5-amino-2,3-dihydropyridazin-3-one
Chemical Name: 5-Aminopyridazin-3(2H)-one
CAS Number: 89033-30-7
Molecular Formula: C₄H₅N₃O
Molecular Weight: 111.10200
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridazine
Create Date: 2018-03-20 08:00:00
Modify Date: 2025-10-12 19:03:00

Name	5-Aminopyridazin-3(2H)-one
Synonyms	4-amino-1H-pyridazin-6-one

Density	1.55g/cm3
Molecular Formula	C₄H₅N₃O
Molecular Weight	111.10200
Exact Mass	111.04300
PSA	71.77000
Index of Refraction	1.688
Storage condition	2-8°C

Hazard Codes	Xi
HS Code	2933990090

6339-19-1 structure

6339-19-1

~%

89033-30-7 structure

89033-30-7

Literature: Chemical and Pharmaceutical Bulletin, , vol. 6, p. 331,333

17285-22-2 structure

17285-22-2

~%

89033-30-7 structure

89033-30-7

Literature: Chemical and Pharmaceutical Bulletin, , vol. 6, p. 641,644

Precursor 2
6339-19-1 17285-22-2
DownStream 0

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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