57272-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57272-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,7 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57272-16:
(7*5)+(6*7)+(5*2)+(4*7)+(3*2)+(2*1)+(1*6)=129
129 % 10 = 9
So 57272-16-9 is a valid CAS Registry Number.
57272-16-9Relevant academic research and scientific papers
A new convenient bromination with KBrO3/KBr/Dowex
Kosmrlj, Janez,Kocevar, Marijan,Polanc, Slovenko
, p. 3583 - 3592 (2007/10/03)
Bromination of various 1,3-dicarbonyl compounds was achieved by using the mixture of potassium bromate and potassium bromide in the presence of Dowex 50X2-200 ion-exchange resin. Reactions were carried out under mild conditions and gave good yields of the
