89844-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89844-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,4 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89844-72:
(7*8)+(6*9)+(5*8)+(4*4)+(3*4)+(2*7)+(1*2)=194
194 % 10 = 4
So 89844-72-4 is a valid CAS Registry Number.
89844-72-4Relevant academic research and scientific papers
SYNTHESIS OF 5-AZOISOXAZOLIDINES
Vasil'eva, L. I.,Akimova, G. S.,Chistokletov, V. N.
, p. 133 - 134 (2007/10/02)
Nitrones add to the C=C bond of azoalkenes with the formation of 5-alkyl(aryl)azoisoxazolidines.