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4-methyl-1-phenyl-1,2-dihydropyrano[2,3-c]pyrazole-3,6-dione is a complex organic compound with the molecular formula C14H11N2O3. It is a derivative of pyrazole, a heterocyclic compound with a five-membered ring containing three nitrogen atoms. The structure of 4-methyl-1-phenyl-1,2-dihydropyrano[2,3-c]pyrazole-3,6-dione features a pyrano ring fused to the pyrazole ring, with a methyl group at the 4-position and a phenyl group at the 1-position. The compound also has two carbonyl groups at the 3 and 6 positions, which contribute to its reactivity and potential applications in various chemical and pharmaceutical processes. Due to its unique structure, it may have potential uses in the synthesis of pharmaceuticals, agrochemicals, or other specialty chemicals. However, further research and development would be required to explore its specific applications and properties.

87343-67-7

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87343-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87343-67-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,4 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87343-67:
(7*8)+(6*7)+(5*3)+(4*4)+(3*3)+(2*6)+(1*7)=157
157 % 10 = 7
So 87343-67-7 is a valid CAS Registry Number.

87343-67-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-methyl-1-phenyl-2H-pyrano[2,3-c]pyrazole-3,6-dione

1.2 Other means of identification

Product number -
Other names 3-hydroxy-4-methyl-1-phenyl-1,6-dihydropyrano[2,3-c]pyrazol-6-one

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:87343-67-7 SDS

87343-67-7Downstream Products

87343-67-7Relevant academic research and scientific papers

ETUDE DE LA REACTIVE DE COMPOSES ENAMINOCARBONYLES VIS-A-VIS DE LA 1-PHENYLPYRAZOLIDINE-3,5-DIONE

Maquestiau, A.,Eynde, Vanden J. J.

, p. 451 - 458 (2007/10/02)

In acetic acid at room temperature, 3-amino-1-phenyl-2-buten-1-one, 4-amino-3-penten-2-one, various 3-aminocrotonic esters and amides react with 1-phenylpyrazolidin-3,5-dione to yield compounds resulting from the elimination of ammonia between the two precursors and the so obtained derivatives cyclize on heating to pyrano pyrazoles.The rates of these reactions are measured by 1H NMR spectroscopy and mechanistic interpretations are proposed.Under the same experimental conditions, β-dicarbonyl compounds are less reactive than the enaminocarbonyl analogues.

ETUDE COMPARATIVE DE LA REACTIVITE DE L'ACETOACETATE D'ETHYLE ET DU 3-AMINOCROTONATE D'ETHYLE VIS-A-VIS DE COMPOSES PYRAZOLONIQUES

Maquestiau, A.,Haverbeke, Y. van,Eynde, J.-J. Vanden

, p. 451 - 458 (2007/10/02)

1-phenyl-3-methylpyrazolin-5-one, 1,5-dimethylpyrazolin-3-one and 1-phenyl-pyrazolidin-3,5-dione react with ethyl acetoacetate to yield pyrano pyrazole-6-ones.Starting from 1-phenyl-3-aminopyrazolin-5-one or from 1-methyl-5-aminopyrazolin-3-one, pyrazolo pyridin-6-ones are obtained.When ethyl 3-aminocrotonate instead of ethyl acetoacetate is used, the course of these reactions remains the same in most cases but yields are always higher.

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