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42367-12-4

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42367-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42367-12-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,6 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42367-12:
(7*4)+(6*2)+(5*3)+(4*6)+(3*7)+(2*1)+(1*2)=104
104 % 10 = 4
So 42367-12-4 is a valid CAS Registry Number.

42367-12-4Downstream Products

42367-12-4Relevant articles and documents

Enantioselective preparation of 4-substituted cyclohexenes by radical fragmentation of sulfoxides

Imboden, Christoph,Villar, Felix,Renaud, Philippe

, p. 873 - 875 (1999)

(equation presented) Radical fragmentation of o-bromophenyl sulfoxides is reported. Starting from enantiomerically pure material, 4-substituted cyclohexene derivatives have been prepared with enantiomeric excesses between 70% and 86%. The key step of the process is a diastereoselective abstraction of a hydrogen atom by the initial aryl radical. The highest enantiomeric exesses have been obtained in the presence of aluminum Lewis acids.

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