110920-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 110920-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,9,2 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 110920-21:
(8*1)+(7*1)+(6*0)+(5*9)+(4*2)+(3*0)+(2*2)+(1*1)=73
73 % 10 = 3
So 110920-21-3 is a valid CAS Registry Number.
110920-21-3Relevant articles and documents
Total Synthesis of (-)-Grayanotoxin III
Kan, Toshiyuki,Hosokawa, Seijiro,Nara, Shinji,Oikawa, Masato,Ito, Shinya,et al.
, p. 5532 - 5534 (1994)
Total synthesis of (-)-grayanotoxin III (3), a unique tetracyclic diterpene isolated from the leaves of various plants of the family Ericaceae, has been successfully accomplished featuring the highly stereoselective cyclization reactions induced by SmI2.
