156713-62-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156713-62-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,1 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 156713-62:
(8*1)+(7*5)+(6*6)+(5*7)+(4*1)+(3*3)+(2*6)+(1*2)=141
141 % 10 = 1
So 156713-62-1 is a valid CAS Registry Number.
156713-62-1Relevant articles and documents
Synthesis of Non-Racemic 5,5-Disubstituted 2-Cyclopentenones
Meyers, A. I.,Westrum, Larry J.
, p. 7701 - 7704 (1993)
Chiral, non-racemic, bicyclic lactam 1 (X=Y=H) bearing an angular hydrogen at C-7a (1, R=H), underwent efficient diastereoselective dialkylation producing the quaternary substituted lactams 1 (X=Y=alkyl).The latter were transformed into carbinol amines 5