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"3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[(4-nitrophenyl)azo]-2-phenyl-" is a complex organic compound with the molecular formula C16H13N5O3. It is a derivative of 3H-pyrazol-3-one, characterized by a 2,4-dihydro-5-methyl structure and a 4-[(4-nitrophenyl)azo]-2-phenyl substituent. 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[(4-nitrophenyl)azo]-2-phenyl- is known for its vibrant color and is often used in the synthesis of dyes and pigments due to its chromophoric properties. The presence of the nitro group and azo linkage contributes to its stability and color intensity, making it a potentially valuable compound in the field of organic chemistry and materials science.

4702-91-4

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4702-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4702-91-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,0 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4702-91:
(6*4)+(5*7)+(4*0)+(3*2)+(2*9)+(1*1)=84
84 % 10 = 4
So 4702-91-4 is a valid CAS Registry Number.

4702-91-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(4-nitro-phenyl)-hydrazone]

1.2 Other means of identification

Product number -
Other names 4-(4-Nitro-benzolazo)-3-methyl-1-phenyl-pyrazolon-(5)

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:4702-91-4 SDS

4702-91-4Relevant academic research and scientific papers

Synthesis and properties of some novel pyrazolone-based heterocyclic azo disperse dyes containing a fluorosulfonyl group

Singh, Ajay,Choi, Ran,Choi, Byunghun,Koh, Joonseok

, p. 580 - 586 (2012/10/30)

A series of heteroarylazo disperse dyes derived from pyrazolones and fluorosulfonyl anilines were synthesized, and their thermal and spectral properties were investigated with respect to the effect of substituents on absorption spectra, halochromism, and

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