Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3H-Pyrazol-3-one, 4-diazo-2,4-dihydro-5-methyl-2-phenyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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1781-33-5

1781-33-5 structure

1781-33-5 structure

Name: 3H-Pyrazol-3-one, 4-diazo-2,4-dihydro-5-methyl-2-phenyl-
Chemical Name: 4-diazonio-5-methyl-2-phenylpyrazol-3-olate
CAS Number: 1781-33-5
Molecular Formula: C₁₀H₈N₄O
Molecular Weight: 200.19700
Create Date: 2016-11-05 05:20:40
Modify Date: 2024-01-12 11:23:11

Name	4-diazonio-5-methyl-2-phenylpyrazol-3-olate
Synonyms	4-diazo-3-methyl-1-phenyl-2-pyrazolin-5-one 1-Phenyl-3-methyl-4-diazo-5-pyrazolon 4-diazo-5-methyl-2-phenyl-5-pyrazolin-3-on 3H-Pyrazol-3-one,4-diazo-2,4-dihydro-5-methyl-2-phenyl 2-Pyrazolin-5-one,4-diazo-3-methyl-1-phenyl 4-diazo-3-methyl-1-phenyl-5-oxo-2-pyrazoline 4-diazo-3-methyl-1-phenylpyrazolin-5-one 4-diazo-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one

Molecular Formula	C₁₀H₈N₄O
Molecular Weight	200.19700
Exact Mass	200.07000
PSA	70.06000
LogP	0.66156

HS Code	2933199090

89-25-8 structure

89-25-8

~73%

1781-33-5 structure

1781-33-5

Literature: Umrigar, Pesi; Griffin, Gary W.; Ege, Seyhan N.; Adams, Alan D.; Das, Paritosh K. Canadian Journal of Chemistry, 1984 , vol. 62, p. 2456 - 2463

Precursor 1
89-25-8
DownStream 1
35467-87-9

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%