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807334-59-4

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807334-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 807334-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,7,3,3 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 807334-59:
(8*8)+(7*0)+(6*7)+(5*3)+(4*3)+(3*4)+(2*5)+(1*9)=164
164 % 10 = 4
So 807334-59-4 is a valid CAS Registry Number.

807334-59-4Downstream Products

807334-59-4Relevant articles and documents

Tetrazoles: XLVI. Alkylation of 5-substituted tetrazoles with methyl chloromethyl ether and α-methylstyrene

Myznikov,Artamonova,Koldobskii,Hrabalek

, p. 551 - 554 (2004)

Alkylation of 5-aryl(hetaryl)tetrazoles with methyl chloromethyl ether under conditions of phase-transfer catalysis leads to formation of isomeric 1- and 2-methoxymethyltetrazoles at a ratio of ~1:2. The reaction of 5-substituted tetrazoles with α-methylstyrene in the presence of trichloroacetic acid gives the corresponding 2-(α,α-dimethylbenzyl)tetrazoles in high yield and with high regioselectivity.

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