209865-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209865-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,8,6 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 209865-55:
(8*2)+(7*0)+(6*9)+(5*8)+(4*6)+(3*5)+(2*5)+(1*5)=164
164 % 10 = 4
So 209865-55-4 is a valid CAS Registry Number.
209865-55-4Relevant academic research and scientific papers
A novel building block for the synthesis of isofagomin analogues
Altenbach, Hans-Josef,Blanda, Gaetano
, p. 1519 - 1524 (2007/10/03)
The de novo synthesis of the novel potent building blocks phenyl (R)-3- acetoxymethyl-3,6-dihydro-2H-pyridine-1-carboxylate (-)-7 and pheny (S)-3- butyryl-oxymethyl-3,6-dihydro-2H-pyridine-1-carboxylate (+)-8 starting from commercially available methyl-1-