123500-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123500-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,0 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123500-83:
(8*1)+(7*2)+(6*3)+(5*5)+(4*0)+(3*0)+(2*8)+(1*3)=84
84 % 10 = 4
So 123500-83-4 is a valid CAS Registry Number.
123500-83-4Relevant articles and documents
NON-PHOTOCHEMICAL 2+2 CYCLOADDITIONS OF ACYCLIC ENONES AND ALKENES
Engler, Thomas A.,Ali, Mohammed Hashmat,Velde, David Vander
, p. 1761 - 1764 (1989)
An efficient synthesis of substituted cyclobutanes is reported via Ti(IV) catalyzed 2+2 cycloadditions of methoxymethyl vinyl ketone and methyl vinyl ketone with alkenes.
