132351-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132351-76-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,3,5 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 132351-76:
(8*1)+(7*3)+(6*2)+(5*3)+(4*5)+(3*1)+(2*7)+(1*6)=99
99 % 10 = 9
So 132351-76-9 is a valid CAS Registry Number.
132351-76-9Relevant articles and documents
A convergent synthesis of optically active aspyrone
Sugiyama,Murayama,Yamashita
, p. 7343 - 7344 (2007/10/02)
Aspyrone (1) was elaborated in an optically pure form by the key reaction involving a nucleophilic addition of δ-lactone enolate to 2-tosyloxyaldehyde and a subsequent in situ formation of epoxide.
