77363-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77363-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,6 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77363-91:
(7*7)+(6*7)+(5*3)+(4*6)+(3*3)+(2*9)+(1*1)=158
158 % 10 = 8
So 77363-91-8 is a valid CAS Registry Number.
77363-91-8Relevant articles and documents
Synthesis of functionalized tetrahydrofurans
Semple, J.Edward,Guthrie, Anne E.,Joullie, Madeleine M.
, p. 4561 - 4564 (2007/10/02)
A novel cyclization reaction is described which affords readily manipulable 3(2H)-dihydrofuranone ethylene ketals, useful in the total synthesis of an ascofuranone model, bullatenone, and muscarine analogs.