77363-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77363-90-7 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 0 respectively.
Calculate Digit Verification of CAS Registry Number 77363-90:
(7*7)+(6*7)+(5*3)+(4*6)+(3*3)+(2*9)+(1*0)=157
157 % 10 = 7
So 77363-90-7 is a valid CAS Registry Number.
77363-90-7Relevant articles and documents
Synthesis of functionalized tetrahydrofurans
Semple, J.Edward,Guthrie, Anne E.,Joullie, Madeleine M.
, p. 4561 - 4564 (1980)
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.