92804-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92804-26-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,8,0 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 92804-26:
(7*9)+(6*2)+(5*8)+(4*0)+(3*4)+(2*2)+(1*6)=137
137 % 10 = 7
So 92804-26-7 is a valid CAS Registry Number.
92804-26-7Relevant articles and documents
ALDOL REACTIONS OF A CYCLOBUTANONE ENOLATE
Clark, Glenn R.,Lin, James,Nikaido, Madelene
, p. 2645 - 2648 (1984)
Addition of an aldehyde and zinc chloride to a cyclobutanone enolate, prepared by the reaction of an α-chlorocyclobutanone with dimethylcopperlithium, gave an aldol adduct in good yield.