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131309-61-0

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131309-61-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131309-61-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,3,0 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131309-61:
(8*1)+(7*3)+(6*1)+(5*3)+(4*0)+(3*9)+(2*6)+(1*1)=90
90 % 10 = 0
So 131309-61-0 is a valid CAS Registry Number.

131309-61-0Relevant articles and documents

Diastereoselectivity in the Addition of Grignard Reagents to Ketones Controlled by the 1,3-Dithiane 1-Oxide Asymmetric Building Block

Page, Philip C. Bulman,Prodger, Jeremy C.,Westwood, Donald

, p. 10355 - 10368 (1993)

2-Acyl-1,3-dithiane 1-oxide undergo diastereoselective addition of Grignard reagents; the degree of selectivity observed is highly dependent upon the solvent and the halide counter-ion used; very high selectivities have been observed under certain reactio

Enantioselective preparation of 2-substituted-1,3-dithiane 1-oxides using modified Sharpless sulphoxidation procedures

Page, Philip C. Bulman,Wilkes, Robin D.,Namwindwa, Ernest S.,Witty, Michael J.

, p. 2125 - 2154 (2007/10/03)

Enantioselective sulphoxidation of a wide range of 2-substituted-1,3-diathianes has been carried out using modified Sharpless conditions to furnish the corresponding sulphoxides in optically enriched form. Deacylation of 2-acyl-1,3-dithiane 1-oxide deriva

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