134281-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134281-84-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,8 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 134281-84:
(8*1)+(7*3)+(6*4)+(5*2)+(4*8)+(3*1)+(2*8)+(1*4)=118
118 % 10 = 8
So 134281-84-8 is a valid CAS Registry Number.
134281-84-8Relevant articles and documents
Synthesis of Optically Active p-Tolylsulfinylquinones
Carreno, M. Carmen,Ruano, Jose L. Garcia,Urbano, Antonio
, p. 651 - 653 (2007/10/02)
The title compounds 3a-e were prepared in only two steps from 1,4-dimethoxyaromatic precursors 1a-e by sulfinylation followed by oxidation with ammonium cerium(IV) nitrate.
