144888-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144888-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,8,8 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 144888-66:
(8*1)+(7*4)+(6*4)+(5*8)+(4*8)+(3*8)+(2*6)+(1*6)=174
174 % 10 = 4
So 144888-66-4 is a valid CAS Registry Number.
144888-66-4Relevant articles and documents
A RAPID AND EFFICIENT SYNTHESIS OF IMIDAZO and 1,2,4-TRIAZOLO-PIPERAZINE CARBOXYLIC ACIDS.
McCort, Gary A.,Pascal, Jean Claude
, p. 4443 - 4446 (2007/10/02)
A simple and general synthesis of novel cyclic α-amino acids by a route employing an easily accessable protected piperazine carboxylic acid imino-ether is described.