63783-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63783-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,7,8 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 63783-86:
(7*6)+(6*3)+(5*7)+(4*8)+(3*3)+(2*8)+(1*6)=158
158 % 10 = 8
So 63783-86-8 is a valid CAS Registry Number.
63783-86-8Relevant articles and documents
1,2-DIMETHYLSPIROHEX-1-ENE BY ADDITION OF CYCLOBUTYLIDENE TO 2-BUTYNE
Brinker, Udo H.,Weber, Juergen
, p. 5371 - 5374 (1986)
The first addition of a cyclobutylidene (carbenoid) to an alkyne is reported.By C4+C2-coupling the spirohex-1-ene system 8 is constructed.Furthermore, cyclobutylidene adds to methylenecyclopropane, its intramolecular reaction product, to give the novel dispirooctane 11.