64872-95-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64872-95-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,7 and 2 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 64872-95:
(7*6)+(6*4)+(5*8)+(4*7)+(3*2)+(2*9)+(1*5)=163
163 % 10 = 3
So 64872-95-3 is a valid CAS Registry Number.
64872-95-3Relevant articles and documents
A NOVEL SYNTHESIS OF HALF-PROTECTED 1,3-DICARBONYL COMPOUNDS
Hatanaka, Kouhei,Tanimoto, Shigeo,Sugimoto, Toyonari,Okano, Masaya
, p. 3243 - 3244 (1981)
It has been found that the reaction of enol silyl ethers with 2-ethoxy-1,3-dithiolane proceeds smoothly in the presence of zinc chloride catalyst to afford half-protected 1,3-dicarbonyl compounds in moderately good yields.
