80887-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80887-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,8 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80887-20:
(7*8)+(6*0)+(5*8)+(4*8)+(3*7)+(2*2)+(1*0)=153
153 % 10 = 3
So 80887-20-3 is a valid CAS Registry Number.
80887-20-3Relevant articles and documents
Synthesis of Macrocyclic-Acyclic Polyether-Ester Compounds with Isoxazole Units
Auricchio, S.,Ricca, A.,Pava, O. Vajna de
, p. 1471 - 1472 (2007/10/02)
A series of macrocyclic-acyclic ether-ester compounds containing the isoxazole ring has been prepared by treating various dihydroxy compounds with 3,5-isoxazoledicarbonyl chloride.
