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372490-73-8

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372490-73-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 372490-73-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,2,4,9 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 372490-73:
(8*3)+(7*7)+(6*2)+(5*4)+(4*9)+(3*0)+(2*7)+(1*3)=158
158 % 10 = 8
So 372490-73-8 is a valid CAS Registry Number.

372490-73-8Downstream Products

372490-73-8Relevant articles and documents

Preparation method of trans-1, 3-diolefine

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, (2021/03/18)

The invention discloses a preparation method of trans-1, 3-diolefine, which comprises the following step: under the action of 4-dimethylaminopyridine and triethylamine, reacting 2, 3-dihydroxy propyl(9E, 12E)-9, 12-octadecadienoic acid ester with (9E, 12E)-9, 12-octadecadienoyl chloride to obtain the trans-1, 3-diolefine. Compared with the prior art, the method disclosed by the invention is simpleto operate, high in reaction selectivity and high in product yield.

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