220825-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220825-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,8,2 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 220825-80:
(8*2)+(7*2)+(6*0)+(5*8)+(4*2)+(3*5)+(2*8)+(1*0)=109
109 % 10 = 9
So 220825-80-9 is a valid CAS Registry Number.
220825-80-9Relevant academic research and scientific papers
Preparation of novel difluorocyclopropane nucleosides
Csuk, Rene,Thiede, Gisela
, p. 739 - 750 (2007/10/03)
Novel difluorinated cyclopropane nucleoside analogues possessing both two vicinal hydroxymethyl groups and a methylene spacer between the base and the ring were synthesized starting from 1,3-dibenzyloxy-2-propanol. After oxidation, olefination, reduction