285131-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 285131-09-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,5,1,3 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 285131-09:
(8*2)+(7*8)+(6*5)+(5*1)+(4*3)+(3*1)+(2*0)+(1*9)=131
131 % 10 = 1
So 285131-09-1 is a valid CAS Registry Number.
285131-09-1Relevant articles and documents
Amino acid pyridoxyl esters in peptide synthesis
Sklyarov,Sbitneva,Kopina,Sidorovich
, p. 245 - 256 (2007/10/03)
Pyridoxyl residue was suggested to be used as a multifunctional protective and modifying group in peptide synthesis. The modification was carried out by introducing the pyridoxyl residue in free or partially protected peptides or by the addition of amino