53059-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53059-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,0,5 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53059-45:
(7*5)+(6*3)+(5*0)+(4*5)+(3*9)+(2*4)+(1*5)=113
113 % 10 = 3
So 53059-45-3 is a valid CAS Registry Number.
53059-45-3Relevant articles and documents
115. α-Methylidene-and α-alkylidene-β-lactams from nonproteinogenic amino acids
Buchholz, Rainer,Hoffmann, H. Martin R.
, p. 1213 - 1220 (2015/01/08)
Treatment of methyl 2-(l-hydroxyalkyl)prop-2-enoates1 with conc. HBr solution afforded methyl (Z)-2-(bromomethyl)alk-2-enoates 2, which were transformed regioselectively into N-substituted methyl (E)-2-(aminomethyl)alk-2-enoates 3 (SN2 reaction