81842-27-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81842-27-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,4 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81842-27:
(7*8)+(6*1)+(5*8)+(4*4)+(3*2)+(2*2)+(1*7)=135
135 % 10 = 5
So 81842-27-5 is a valid CAS Registry Number.
81842-27-5Relevant articles and documents
A NEW SYNTHON FOR THE REGIOSPECIFIC γ-ALKYLATION OF 2-CYCLOHEXENONES. APPLICATION TO THE SYNTHESIS OF ZINGIBERENOL AND OXYGENATED BICYCLONONANES
Paquette, Leo A.,Kinney, William A.
, p. 131 - 134 (2007/10/02)
The regiospecific γ-alkylation of γ-sulfonylcyclohexenone ketals is described and applied to various synthetic objectives.
