339270-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339270-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,2,7 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 339270-66:
(8*3)+(7*3)+(6*9)+(5*2)+(4*7)+(3*0)+(2*6)+(1*6)=155
155 % 10 = 5
So 339270-66-5 is a valid CAS Registry Number.
339270-66-5Relevant articles and documents
Synthesis of 5-[2-(guanin-9-yl)- and 5-[2-(2-aminopurin-9-yl)ethyl]- 2-d-ribo-(1′,2′,3′,4′-tetrahydroxybutyl)-1,3-dioxane
Kim,Kim,Lee
, p. 45 - 51 (2001)
Stereoselective synthesis of 5-[2-(guanin-9-yl)- and 5-[2-(2-aminopurin-9-yl)ethyl]-2-D-ribo(1′,2′,3′,4′- tetrahydroxybutyl)-1,3-dioxane, 2-5, as potential prodrugs of penciclovir, has been accomplished in six steps from readily available 2,3,4,5-tetra-O-
