131550-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131550-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,5 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 131550-45:
(8*1)+(7*3)+(6*1)+(5*5)+(4*5)+(3*0)+(2*4)+(1*5)=93
93 % 10 = 3
So 131550-45-3 is a valid CAS Registry Number.
131550-45-3Relevant articles and documents
A simple synthesis of γ and δ-keto α-amino acid derivatives
Aubry,Plante,Deziel
, p. 6311 - 6312 (2007/10/02)
The γ and δ-keto α-amino acid derivatives 1a and 1b were prepared from L-aspartic and L-glutamic acid respectively via alkylation of the corresponding β-ketoesters 3a and 3b followed by subsequent ester cleavage and decarboxylation.
