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66364-96-3

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66364-96-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66364-96-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,3,6 and 4 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 66364-96:
(7*6)+(6*6)+(5*3)+(4*6)+(3*4)+(2*9)+(1*6)=153
153 % 10 = 3
So 66364-96-3 is a valid CAS Registry Number.

66364-96-3Downstream Products

66364-96-3Relevant articles and documents

SYNTHESIS OF α,β-EPOXY DIAZOMETHYL KETONES

Thijs, L.,Smeets, F. L. M.,Cillissen, P. J. M.,Harmsen, J.,Zwanenburg, B.

, p. 2141 - 2144 (2007/10/02)

The preparation of eighteen epoxy diazomethyl ketones 1 is described.Two general methods were developed.Firstly, treatment of the mixed anhydrides of glycidic acids and carbonic acid ester with diazomethane led to the title compounds in yields ranging from 17-74 percent.Secondly, glycidyl chlorides which were obtained from sodium glycidates and oxalyl chloride, gave the desired products upon treatment with diazomethane ( yields 60-74 percent).The required α,β-epoxy carboxylic esters were prepared by Darzens condensation and epoxidation of α,β-unsaturated esters, but in some cases also by reaction of α-oxo carboxylic esters with diazomethane.

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