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135257-62-4

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135257-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135257-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,2,5 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 135257-62:
(8*1)+(7*3)+(6*5)+(5*2)+(4*5)+(3*7)+(2*6)+(1*2)=124
124 % 10 = 4
So 135257-62-4 is a valid CAS Registry Number.

135257-62-4Downstream Products

135257-62-4Relevant articles and documents

Oxidative α coupling of carbonyl compounds via the condensation of acylated triazolinedione ylides with enolates: A facile synthesis of polyacylated olefins

Wilson, R. Marshall,Hengge, Alvan C.,Ataei, Ali,Ho, Douglas M.

, p. 7240 - 7249 (2007/10/02)

α-Urazolyl ketones are readily oxidized to acylated N-phenyltriazolinedione ylides with tert-butyl hypochlorite. These ylides, usually as generated in situ, undergo condensations with enolate species to form acylated olefins in synthetically useful yields

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