65679-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65679-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,7 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65679-21:
(7*6)+(6*5)+(5*6)+(4*7)+(3*9)+(2*2)+(1*1)=162
162 % 10 = 2
So 65679-21-2 is a valid CAS Registry Number.
65679-21-2Relevant articles and documents
A New Synthesis of 9-Methylfuroflavones
Prasunamba, P. L.,Srimannarayana, G.
, p. 71 - 72 (2007/10/02)
9-Methylfuroflavones (III) have been synthesised by thermal Claisen rearrangement of 7-propargyloxy flavones (II).