651724-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 651724-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,1,7,2 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 651724-25:
(8*6)+(7*5)+(6*1)+(5*7)+(4*2)+(3*4)+(2*2)+(1*5)=153
153 % 10 = 3
So 651724-25-3 is a valid CAS Registry Number.
651724-25-3Relevant articles and documents
Parallel Synthesis of New β2-Amino Esters via Conjugate Nucleophilic Additions
Huck, Jacques,Duru, Christiane,Roumestant, Marie Louise,Martinez, Jean
, p. 2165 - 2168 (2003)
The Michael addition of secondary cyclic aromatic and nonaromatic amines to methyl 2-{[(tert-butoxycarbonyl)amino]methyl}acrylate afforded substituted β2-amino esters in good to excellent yields.