81983-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81983-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,8 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81983-89:
(7*8)+(6*1)+(5*9)+(4*8)+(3*3)+(2*8)+(1*9)=173
173 % 10 = 3
So 81983-89-3 is a valid CAS Registry Number.
81983-89-3Relevant articles and documents
A New Synthesis of Racemic Methyl Acorate & Methyl Epiacorate
Rao, G. S. R. Subba,Ramanathan, Halasya
, p. 1089 (2007/10/02)
A total synthesis of the racemic methyl acorate, involving construction of a quarternary carbon by Michael addition of anions to unsaturated esters, is described.
