1017581-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1017581-15-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,7,5,8 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1017581-15:
(9*1)+(8*0)+(7*1)+(6*7)+(5*5)+(4*8)+(3*1)+(2*1)+(1*5)=125
125 % 10 = 5
So 1017581-15-5 is a valid CAS Registry Number.
1017581-15-5Relevant articles and documents
Synthesis of fused bicyclic medium-ring lactones via Claisen rearrangement
Burton, Jonathan W.,O'Sullivan, Paul T.,Anderson, Edward A.,Collins, Ian,Holmes, Andrew B.
, p. 631 - 632 (2000)
Fused bicyclic medium-ring lactones, carrying identical ring-fusion to that in the polyether toxins, are prepared by a Claisen rearrangement sequence.