Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1H-Pyrazolo[3,4-d]pyridazin-4(5H)-one
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

13521-25-0

13521-25-0 structure

13521-25-0 structure

Name: 1H-Pyrazolo[3,4-d]pyridazin-4(5H)-one
Chemical Name: 1H-Pyrazolo[3,4-d]pyridazin-4(5H)-one
CAS Number: 13521-25-0
Molecular Formula: C₅H₄N₄O
Molecular Weight: 136.11100
Create Date: 2018-12-27 20:24:11
Modify Date: 2025-09-07 10:16:22

Name	1H-Pyrazolo[3,4-d]pyridazin-4(5H)-one
Synonyms	1,5-dihydropyrazolo[3,4-d]pyridazin-4-one

Molecular Formula	C₅H₄N₄O
Molecular Weight	136.11100
Exact Mass	136.03900
PSA	74.69000
LogP	0.05850

HS Code	2933990090

94787-70-9 structure

94787-70-9

~91%

13521-25-0 structure

13521-25-0

Literature: Kaji, Kenji; Nagashima, Hiromu; Tabashi, Keizo; Oda, Hirohisa Heterocycles, 1984 , vol. 22, # 10 p. 2357 - 2362

94773-58-7 structure

94773-58-7

~%

13521-25-0 structure

13521-25-0

Literature: Kaji, Kenji; Nagashima, Hiromu; Tabashi, Keizo; Oda, Hirohisa Heterocycles, 1984 , vol. 22, # 10 p. 2357 - 2362

96017-32-2 structure

96017-32-2

~%

13521-25-0 structure

13521-25-0

Literature: Kaji, Kenji; Nagashima, Hiromu; Tabashi, Keizo; Oda, Hirohisa Heterocycles, 1984 , vol. 22, # 10 p. 2357 - 2362

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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