119687-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119687-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,6,8 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 119687-79:
(8*1)+(7*1)+(6*9)+(5*6)+(4*8)+(3*7)+(2*7)+(1*9)=175
175 % 10 = 5
So 119687-79-5 is a valid CAS Registry Number.
119687-79-5Relevant articles and documents
Synthesis of a C,D-Ring Fragment of Artemisinin
Avery, Mitchell A.,Jennings-White, Clive,Chong, Wesley K. M.
, p. 1789 - 1792 (1989)
A multistep preparation is described for carboxyvinylsilane 6, which upon reaction with ozone initially gave dioxetane 8 as a transient intermediate in a highly stereoselective manner. Subsequent rearrangement at ambient temperature resulted in cyclizatio