240137-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 240137-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,0,1,3 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 240137-99:
(8*2)+(7*4)+(6*0)+(5*1)+(4*3)+(3*7)+(2*9)+(1*9)=109
109 % 10 = 9
So 240137-99-9 is a valid CAS Registry Number.
240137-99-9Relevant articles and documents
A concise synthesis of 3-hydroxy-4-β-glucopyranosyl) benzoate: A new route to β-C-aryl glycosides
Fuganti, Claudio,Serra, Stefano
, p. 1241 - 1242 (2007/10/03)
A synthesis of specifically substituted β-C-aryl glycosides is described. The aromatic moiety is built up starting from the easily available 2,3,4,6-tetra-O-benzyl-D-gluconolactone with a benzoannulation reaction as a key step.
