Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,5-Dichloro-6-nitropyridazin-3-ol
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-DICHLORO-6-NITROPYRIDAZIN-3-OL
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

13645-43-7

13645-43-7 structure

13645-43-7 structure

Name: 4,5-Dichloro-6-nitropyridazin-3-ol
Chemical Name: 4,5-dichloro-3-nitro-1H-pyridazin-6-one
CAS Number: 13645-43-7
Molecular Formula: C₄HCl₂N₃O₃
Molecular Weight: 209.97500
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridazine
Create Date: 2018-12-27 16:58:33
Modify Date: 2025-08-25 11:03:20

Name	4,5-dichloro-3-nitro-1H-pyridazin-6-one
Synonyms	4,5-Dichloro-6-nitropyridazin-3-ol 4,5-dichloro-6-nitro-2H-pyridazin-3-one 4,5-dichloro-6-nitro-2,3-dihydropyridazin-3-one 4,5-dichloro-6-nitro-3(2H)pyridazinone

Density	2.11 g/cm3
Melting Point	184ºC
Molecular Formula	C₄HCl₂N₃O₃
Molecular Weight	209.97500
Exact Mass	208.93900
PSA	91.83000
LogP	1.92040

HS Code	2933990090

134541-33-6 structure

134541-33-6

~97%

13645-43-7 structure

13645-43-7

Literature: Journal of Heterocyclic Chemistry, , vol. 28, # 2 p. 385 - 389

14161-11-6 structure

14161-11-6

~%

13645-43-7 structure

13645-43-7

Literature: WO2013/4984 A1, ; Page/Page column 70 ;

Precursor 1
14161-11-6
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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