6331-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6331-18-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,3 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6331-18:
(6*6)+(5*3)+(4*3)+(3*1)+(2*1)+(1*8)=76
76 % 10 = 6
So 6331-18-6 is a valid CAS Registry Number.
6331-18-6Relevant articles and documents
Synthesis of vinyl sulfones from 1,3-dithiolane tetraoxides
Love,Chao
, p. 3073 - 3079 (2007/10/02)
Vinyl sulfones are prepared in high yield by the treatment of 1,3-dithiolane tetraoxides with a catalytic amount of N,N-diisopropylethylamine in ethanol.