218772-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 218772-74-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,7,7 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 218772-74:
(8*2)+(7*1)+(6*8)+(5*7)+(4*7)+(3*2)+(2*7)+(1*4)=158
158 % 10 = 8
So 218772-74-8 is a valid CAS Registry Number.
218772-74-8Relevant articles and documents
Conformationally constrained amino-acids: Synthesis of novel β, β-, 2,3-, and 3,4-cyclised tryptophans
Horwell, David C.,McKiernan, Mary J.,Osborne, Simon
, p. 8729 - 8732 (2007/10/03)
The synthesis of novel, conformationally constrained tryptophan mimetics is described.
