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triphenyl-1,3,5 methyl-4 pyrazoline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857181-43-2

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857181-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857181-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,1,8 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 857181-43:
(8*8)+(7*5)+(6*7)+(5*1)+(4*8)+(3*1)+(2*4)+(1*3)=192
192 % 10 = 2
So 857181-43-2 is a valid CAS Registry Number.

857181-43-2Relevant academic research and scientific papers

CYCLOADDITION DE QUELQUES DIARYLNITRILIMINES SUR DIVERSES ARYLIDENE-2 INDANONES-1. REGIO ET DIASTEREOCHIMIES DES SPIROPYRAZOLINES SYNTHETISEES

Kerbal, Abdelali,Tshiamala, Kabula,Vebrel, Joel,Laude, Bernard

, p. 149 - 162 (2007/10/02)

Spiropyrazolines have been synthetized by 1,3-dipolar cycloaddition of some 2-arylidene 1-indanones with diarylnitrilimines.It is shown that ringclosure reaction is regiospecific, yielding stereohomogeneous spiropyrazolines in one step.The relative config

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