121283-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121283-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,2,8 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 121283-06:
(8*1)+(7*2)+(6*1)+(5*2)+(4*8)+(3*3)+(2*0)+(1*6)=85
85 % 10 = 5
So 121283-06-5 is a valid CAS Registry Number.
121283-06-5Relevant articles and documents
REGIOSELECTIVE SYNTHESIS OF OPTICALLY ACTIVE (R)-5-METHYL- AND (R)-7-METHYL-5,6,7,8-TETRAHYDROQUINOLINES
Chelucci, Giorgio,Cossu, Sergio,Scano, Gianfranco,Soccolini, Francesco
, p. 1397 - 1403 (2007/10/02)
Five synthesis routes have been evaluated for the regioselective preparation of (R)-5-methyl- and (R)-7-methyl-5,6,7,8-tetrahydroquinolines from (+)-(R)-3-methylcyclohexanone.