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2-(triphenylphosphoranylidene)propanethioic acid S-(2,6-dimethylphenyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1256358-40-3

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1256358-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256358-40-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,3,5 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1256358-40:
(9*1)+(8*2)+(7*5)+(6*6)+(5*3)+(4*5)+(3*8)+(2*4)+(1*0)=163
163 % 10 = 3
So 1256358-40-3 is a valid CAS Registry Number.

1256358-40-3Relevant academic research and scientific papers

Cu(II)-catalyzed acylation by thiol esters under neutral conditions: Tandem acylation-wittig reaction leading to a one-pot synthesis of butenolides

Matsuo, Kazumasa,Shindo, Mitsuru

supporting information; experimental part, p. 5346 - 5349 (2011/01/05)

The first catalytic acylation of alcohols with a thiol ester present in Wittig reagents under neutral conditions catalyzed by the Cu(II) salt through a push-pull mechanism is reported. Furthermore, a new methodology for the one-pot lactonization of acyloins by a copper catalyst is developed. The synthetic utility of this method for the synthesis of natural products is shown.

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