253664-01-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253664-01-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,6,6 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 253664-01:
(8*2)+(7*5)+(6*3)+(5*6)+(4*6)+(3*4)+(2*0)+(1*1)=136
136 % 10 = 6
So 253664-01-6 is a valid CAS Registry Number.
253664-01-6Relevant articles and documents
A simple synthesis of (±)-α-cuparenone
Chavan, Subhash P.,Patil, Sachindra S.,Ravindranathan
, p. 13417 - 13422 (2007/10/03)
A short and simple synthesis of (±)-α-cuparenone from 4-methyl- acetophenone via acid catalyzed decomposition of a β,γ-unsaturated-α- diazoketone is described.