123217-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123217-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,1 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123217-65:
(8*1)+(7*2)+(6*3)+(5*2)+(4*1)+(3*7)+(2*6)+(1*5)=92
92 % 10 = 2
So 123217-65-2 is a valid CAS Registry Number.
123217-65-2Relevant academic research and scientific papers
Nudelman, Abraham,Kelner, Rachel,Broida, Neomi,Gottlieb, Hugo E.
, p. 387 - 388 (1989)
A useful procedure for the acetoacetylation of alcohols 1 with diketene 2 to acetoacetic esters 3 is reported.
