132681-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132681-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,8 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 132681-41:
(8*1)+(7*3)+(6*2)+(5*6)+(4*8)+(3*1)+(2*4)+(1*1)=115
115 % 10 = 5
So 132681-41-5 is a valid CAS Registry Number.
132681-41-5Relevant articles and documents
Studies of Chromenes. Part 9. Syntheses of Chromenequinones
Brown, Philip E.,Lewis, Robert A.,Waring, Mark A.
, p. 2979 - 2988 (2007/10/02)
Syntheses of 2,2-dimethylchromene-5,8-quinone, 2,2-dimethylchromene-6,7-quinone, and 6,7-dimethoxy-2,2-dimethylchromene-5,8-quinone are described.Being easily bioreductible to electron-rich chromenes these compounds, and their oxirane derivatives, are of
