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889655-66-7

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889655-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 889655-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,6,5 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 889655-66:
(8*8)+(7*8)+(6*9)+(5*6)+(4*5)+(3*5)+(2*6)+(1*6)=257
257 % 10 = 7
So 889655-66-7 is a valid CAS Registry Number.

889655-66-7Relevant articles and documents

Univocal syntheses of 2- and 3-hydroxymethyl-2,3-dihydro[1,4]dioxino[2,3-b] pyridine enantiomers

Bolchi, Cristiano,Pallavicini, Marco,Fumagalli, Laura,Moroni, Barbara,Rusconi, Chiara,Valoti, Ermanno

, p. 3380 - 3384 (2007/10/03)

The enantiomers of 2- and 3-hydroxymethyl substituted 2,3-dihydro[1,4] dioxino[2,3-b]pyridine 1 and 2, important chiral building blocks for the preparation of several biologically active compounds, were synthesized. (S)- and (R)-1 were obtained from eithe

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