Cas 89211-10-9,C26H30O4S

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Check Digit Verification of cas no

The CAS Registry Mumber 89211-10-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,1 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89211-10:
(7*8)+(6*9)+(5*2)+(4*1)+(3*1)+(2*1)+(1*0)=129
129 % 10 = 9
So 89211-10-9 is a valid CAS Registry Number.

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89211-10-9Relevant academic research and scientific papers

A New Procedure for the One-Carbon Homologation of Ketones to α-Hydroxy Aldehydes

Adamczyk, Maciej,Dolence, E. Kurt,Watt, David S.,Christy, M. Robert,Reibenspies, Joseph H.,Anderson, Oren P.

, p. 1378 - 1382 (2007/10/02)

A new, one-carbon homologation procedure for the conversion of ketones to α-hydroxy aldehydes involves two steps: (1) Darzens condensation of ketones with chloromethyl phenyl sulfone; (2) ring opening of the intermediate α,β-epoxy sulfones with hydroxide

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