131565-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131565-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,6 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 131565-56:
(8*1)+(7*3)+(6*1)+(5*5)+(4*6)+(3*5)+(2*5)+(1*6)=115
115 % 10 = 5
So 131565-56-5 is a valid CAS Registry Number.
131565-56-5Relevant articles and documents
A short route to furanosesquiterpenes using a new siloxyfuran building block. The synthesis of freelingnite and dehydrolasiosperman
Jefford,Sledeski,Rossier,Boukouvalas
, p. 5741 - 5744 (2007/10/02)
The utility of 2-(tert-butyldimethylsiloxy)-3-methylfuran for the regioselective assembly of furanosesquiterpenes is demonstrated by the syntheses of (±)-freelingnite and dehydrolasiosperman.