416864-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 416864-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,6,8,6 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 416864-77:
(8*4)+(7*1)+(6*6)+(5*8)+(4*6)+(3*4)+(2*7)+(1*7)=172
172 % 10 = 2
So 416864-77-2 is a valid CAS Registry Number.
416864-77-2Relevant articles and documents
Stereoselective total synthesis of (+)-artemisinin
Yadav,Satheesh Babu,Sabitha
, p. 387 - 389 (2003)
The total synthesis of the novel antimalarial drug, a sesquiterpene endoperoxide, (+)-artemisinin is described. The approach is flexible and stereoselective. The use of an intermolecular radical reaction on an intermediate iodolactone and a Wittig reaction on a ketone were employed for the synthesis.
