117856-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117856-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,5 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 117856-16:
(8*1)+(7*1)+(6*7)+(5*8)+(4*5)+(3*6)+(2*1)+(1*6)=143
143 % 10 = 3
So 117856-16-3 is a valid CAS Registry Number.
117856-16-3Relevant articles and documents
MANGANESE(III) MEDIATED RADICAL CYCLIZATION. II. THE SYNTHESIS OF DIHYDRO-5-ARYL-3,4-DI(CARBOXYMETHYL)-2(3H)-FURANONES BY SUBSTRATE SELECTIVE OXIDATION
Peterson, John R.,Do, Hoang D.,Surjasasmita, Irawan B.
, p. 1985 - 1994 (2007/10/02)
Substrate selective oxidation with manganese(III) acetate effected γ-lactone annulation of methyl malonate onto electron-rich methyl cinnamat in good yield.
