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54458-32-1

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54458-32-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54458-32-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,4,5 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 54458-32:
(7*5)+(6*4)+(5*4)+(4*5)+(3*8)+(2*3)+(1*2)=131
131 % 10 = 1
So 54458-32-1 is a valid CAS Registry Number.

54458-32-1Downstream Products

54458-32-1Relevant articles and documents

LiBr/β-CD/IBX/H2O-DMSO: A new approach for one-pot biomimetic regioselective ring opening of chalcone epoxides to bromohydrins and conversion to 1,2,3-triketones

Verma, Nishant,Kumar, Sumit,Ahmed, Naseem

supporting information, p. 1110 - 1120 (2017/05/25)

Highly regioselective ring cleavage of chalcone epoxides to bromohydrins has been carried out in good yields with LiBr in the presence of β-CD using DMSO-H2O as solvent system. The ring-opened product, i.e., bromohydrin, was well adapted to IBX-mediated oxidation in such a fashion that the bromohydrins are transformed to their corresponding 1,2,3-triketones in moderate-to-good yields in one pot.

Introduction of Oxygen Functions into the α-Position of β-Diketones, 8. Ozonolysis of Sulfonium Ylides

Schank, Kurt,Schuhknecht, Christoph

, p. 3032 - 3041 (2007/10/02)

(Dimethylsulfonio)diacylmethanides 1, prepared by known methods, are cleaved by equimolar amounts of ozone in aprotic medium yielding vicinal triketones 2 and DMSO.Peroxydic reaction products are not detectable.

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