226893-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226893-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,8,9 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 226893-03:
(8*2)+(7*2)+(6*6)+(5*8)+(4*9)+(3*3)+(2*0)+(1*3)=154
154 % 10 = 4
So 226893-03-4 is a valid CAS Registry Number.
226893-03-4Relevant articles and documents
Rapid synthesis of large enaminolactams, a novel class of macrocycles
Jourdain, Franck,Caron, Mireille,Pommelet, Jean Claude
, p. 1785 - 1799 (2007/10/03)
An efficient preparation of enaminolactams using an original synthetic method based on the thermal decomposition of Meldrum's acids derivatives is reported. The key step involves an intramolecular addition of ω-aminoalkyl- aminomethyleneketenes.
