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178943-91-4

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178943-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178943-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,9,4 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 178943-91:
(8*1)+(7*7)+(6*8)+(5*9)+(4*4)+(3*3)+(2*9)+(1*1)=194
194 % 10 = 4
So 178943-91-4 is a valid CAS Registry Number.

178943-91-4Relevant articles and documents

En route to multicatalysis: Kinetic resolution of trans-cycloalkane-1,2- diols via oxidative esterification

Hofmann, Christine,Schuler, Soeren M. M.,Wende, Raffael C.,Schreiner, Peter R.

supporting information, p. 1221 - 1223 (2014/01/17)

We demonstrate the application of a multicatalyst to the oxidation of a broad variety of aldehydes and subsequent enantioselective esterification of the incipient acids with (±)-trans-cycloalkane-1,2-diols. This reaction operates well with a multicatalyst bearing two independent catalytic moieties that provide monoprotected 1,2-diols in one pot.

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