1312543-58-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1312543-58-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,5,4 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1312543-58:
(9*1)+(8*3)+(7*1)+(6*2)+(5*5)+(4*4)+(3*3)+(2*5)+(1*8)=120
120 % 10 = 0
So 1312543-58-0 is a valid CAS Registry Number.
1312543-58-0Relevant articles and documents
The first total synthesis of (-)-bitungolide e
Shashidhar,Mahender Reddy,Ghosh, Subhash
, p. 3106 - 3109 (2011)
The first total synthesis of (-)-bitungolide E is described. The key steps include a Myers' alkylation, modified Evans' syn aldol-reaction, using Crimmins protocol, Sharpless asymmetric epoxidation and ring-closing metathesis reaction.