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(Z)-3,4-dimethyl-5-<(2-methylphenyl)nitromethylene>-3-pyrrolin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

85057-72-3

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85057-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85057-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,0,5 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 85057-72:
(7*8)+(6*5)+(5*0)+(4*5)+(3*7)+(2*7)+(1*2)=143
143 % 10 = 3
So 85057-72-3 is a valid CAS Registry Number.

85057-72-3Relevant academic research and scientific papers

Fragmentation of Nitro Derivatives of Pyrrole Pigments and its Relationship to the Gmelin Reaction

Ribo, Josep,Trull, Francesc

, p. 1 - 7 (2007/10/02)

The 5-(arylnitromethylene)-3-pyrrolin-2-ones 1-5, the 5-nitrobilin-1,19-diones 7,8, and the 5-nitropyrromethenone 6 are shown to decompose in acidic media to yield maleimides according to fragmentation reactions of nitronic acids.This fragmentation reacti

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