83990-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83990-44-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,9 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83990-44:
(7*8)+(6*3)+(5*9)+(4*9)+(3*0)+(2*4)+(1*4)=167
167 % 10 = 7
So 83990-44-7 is a valid CAS Registry Number.
83990-44-7Relevant articles and documents
REACTION OF N-OXIDES OF AROMATIC NITRILES WITH α,β-UNSATURATED AZO COMPOUNDS
Vasil'eva, L. P.,Akimova, G. S.,Chistokletov, V. N.,Zelenin, K. N.
, p. 1621 - 1624 (2007/10/02)
The N-oxides of aromatic nitriles add at the C=C double bond of azoalkenes.The reaction is a method for the production of new derivatives of isoxazoline, i.e., 3-aryl-5-alkylazo-Δ2-isoxazolines.
