468721-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 468721-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,6,8,7,2 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 468721-45:
(8*4)+(7*6)+(6*8)+(5*7)+(4*2)+(3*1)+(2*4)+(1*5)=181
181 % 10 = 1
So 468721-45-1 is a valid CAS Registry Number.
468721-45-1Relevant articles and documents
Preparation of β2-homotryptophan derivatives for β-peptide synthesis
Micuch, Peter,Seebach, Dieter
, p. 1567 - 1577 (2007/10/03)
In view of the prominent role of the 1H-indol-3-yl side chain of tryptophan in peptides and proteins, it is important to have the appropriately protected homologs H-β2-HTrp-OH and H-β3-HTrp-OH (Fig.) available for incorporation in β-
