143407-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143407-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,4,0 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143407-58:
(8*1)+(7*4)+(6*3)+(5*4)+(4*0)+(3*7)+(2*5)+(1*8)=113
113 % 10 = 3
So 143407-58-3 is a valid CAS Registry Number.
143407-58-3Relevant articles and documents
Synthesis and reactivity of β-amino-α,β-unsaturated oxa- and thiazolines
Fustero,Diaz,Barluenga,Aguilar
, p. 3801 - 3804 (1992)
A simple and efficient route to masked β-amino-α,β-unsaturated acids 3 by reaction of metalated oxa- and thiazolines with nitriles has been developed. The reactivity of 3 has also been explored.