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cis-4-methyl-2-(α-acetoxy-p-bromobenzyl)-2-oxo-1,3,2-dioxaphosphorinane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81020-40-8

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81020-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81020-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,2 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81020-40:
(7*8)+(6*1)+(5*0)+(4*2)+(3*0)+(2*4)+(1*0)=78
78 % 10 = 8
So 81020-40-8 is a valid CAS Registry Number.

81020-40-8Downstream Products

81020-40-8Relevant academic research and scientific papers

REACTIVITY OF 1,3-BUTYLENE PHOSPHITE GEOMETRIC ISOMERS

Nifant'ev, E. E.,Kryuchkov, A. A.

, p. 2092 - 2098 (2007/10/02)

1. 1,3-Butylene phosphite geometrical isomers differ in reactivity as shown by a study of reaction kinetics. 2.The reaction of 1,3-butylene phosphite geometric isomers with electrophilic reagents proceeds with retention of the configuration of the phosphorus atom thus permitting sterically controlled synthesis of complex phosphorinanes. 3.The stereochemical result of the Todd-Atherton chlorination of cyclic hydrophosphoryl compounds may be a function of the basicity of the tertiary amine used and the experimental conditions. 4.Determination of νr for the dioxaphosphorinane ring in the Raman spectrum is a promising method for finding the orientation of the phosphoryl oxygen in complex 1,3,2-dioxaphosphorinanes.

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