109304-86-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109304-86-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,3,0 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109304-86:
(8*1)+(7*0)+(6*9)+(5*3)+(4*0)+(3*4)+(2*8)+(1*6)=111
111 % 10 = 1
So 109304-86-1 is a valid CAS Registry Number.
109304-86-1Relevant articles and documents
Specific Covalent Fixation of Chelating Agents on Peptides
Sergheraert, Christian,Maes, Pierrette,Tartar, Andre
, p. 1061 - 1064 (2007/10/02)
The synthesis of two selectively protected bifunctional analogues of ethylenediaminetetra-acetic acid (EDTA) is described.In these analogues the four carboxy groups involved in chelation are protected as benzyl or t-butyl esters, while the fifth one, whic