557767-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 557767-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,7,7,6 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 557767-28:
(8*5)+(7*5)+(6*7)+(5*7)+(4*6)+(3*7)+(2*2)+(1*8)=209
209 % 10 = 9
So 557767-28-9 is a valid CAS Registry Number.
557767-28-9Relevant academic research and scientific papers
Simplified sialyl Lewisx analogues with improved E-selectin inhibition
Thoma, Gebhard,Schwarzenbach, Franz
, p. 855 - 864 (2007/10/03)
The simplified sialyl Lewisx mimic 5 containing a D-arabinose, a 3-cyclohexyl-2-hydroxypropanoate, and a tetrahydropyran building block instead of L-fucose, sialic acid, and N-acetylglucosamine, respectively was synthesized. Compound 5 was 10-f
