134293-16-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134293-16-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,9 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 134293-16:
(8*1)+(7*3)+(6*4)+(5*2)+(4*9)+(3*3)+(2*1)+(1*6)=116
116 % 10 = 6
So 134293-16-6 is a valid CAS Registry Number.
134293-16-6Relevant articles and documents
GENERAL SYNTHESIS OF CHIRAL 2-P-TOLYLSULFINYLQUINONES
Carreno, M. Carmen,Ruano, Jose L. Garcia,Mata, Jose M.,Urbano, Antonio
, p. 605 - 614 (2007/10/02)
Optically pure (S)-p-tolylsulfinyl substituted quinones were synthesized by deketalization of the corresponding quinone bisketals obtained by Andersen's type synthesis starting from 2-bromo-1,4-dimethoxy aromatic derivatives, followed by anodic oxidation