56851-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56851-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,8,5 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 56851-05:
(7*5)+(6*6)+(5*8)+(4*5)+(3*1)+(2*0)+(1*5)=139
139 % 10 = 9
So 56851-05-9 is a valid CAS Registry Number.
56851-05-9Relevant academic research and scientific papers
Isoxazoles substituted with 4 pyridyl and o chlorophenyl radicals
Arena,Manna,Stein,Parente
, p. 380 - 390 (2007/10/05)
By reaction of hydroxamic acid chlorides with β ketoesters, the ethyl esters of isoxazole 4 carboxylic acids, substituted at the 3 and 5 positions with 4 pyridyl and o chlorophenyl groups, and some of their esters and amides were prepared. 5 (o chlorophen