1583293-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1583293-89-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,3,2,9 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1583293-89:
(9*1)+(8*5)+(7*8)+(6*3)+(5*2)+(4*9)+(3*3)+(2*8)+(1*9)=203
203 % 10 = 3
So 1583293-89-3 is a valid CAS Registry Number.
1583293-89-3Relevant academic research and scientific papers
Synthesis of quinoxaline reverse ribofuranosides and their O-regioisomers
Ali, Ibrahim A. I.,El Rayes, Samir M.
, p. 1371 - 1380 (2014/07/22)
Six quinoxaline reverse nucleosides were prepared by reaction of quinoxalin-2-one derivatives with methyl 2,3-O-isopropylidene-5-O-p- toluenesulfonyl-β-d-ribofuranoside in the presence of sodium hydride. For deprotection of quinoxaline nucleosides, heatin
