117749-45-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117749-45-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,4 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117749-45:
(8*1)+(7*1)+(6*7)+(5*7)+(4*4)+(3*9)+(2*4)+(1*5)=148
148 % 10 = 8
So 117749-45-8 is a valid CAS Registry Number.
117749-45-8Relevant articles and documents
THE INVENTION OF RADICAL CHAIN REACTIONS. PART XIV. A DECARBOXILATIVE RADICAL ADDITION TO QUINONES
Barton, Derek H. R.,Bridon, Dominique,Zard, Samir Z.
, p. 5307 - 5314 (1987)
Irradiation of esters 3 derived from aliphatic or alicyclic carboxylic acids and N-hydroxy-2-thiopyridone in the presence of various quinones gives high yields of the corresponding adducts (e.g. 9) with net loss of carbon dioxide.
