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43084-71-5

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43084-71-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 43084-71-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,0,8 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 43084-71:
(7*4)+(6*3)+(5*0)+(4*8)+(3*4)+(2*7)+(1*1)=105
105 % 10 = 5
So 43084-71-5 is a valid CAS Registry Number.

43084-71-5Downstream Products

43084-71-5Relevant articles and documents

Aerobic oxidation of alkenes to esters of vicinal diols with a syn-configuration catalyzed by I2 and the H5PV 2Mo10O40 polyoxometalate

Branytska, Olena,Neumann, Ronny

, p. 2525 - 2527 (2007/10/03)

A new method for the synthesis of vicinal diols from alkenes has been developed. Reaction of molecular iodine in the presence of a polyoxometalate as oxidation catalyst under aerobic conditions in acetic acid solvent leads to the oxidative iodoacetoxylation of an alkene, i.e. formation of a 1,2-iodoacetate. Further in situ substitution of the iodide by water yields the 1,2-diol monoacetate with a predominantly (ca. 4.5:1) cis-configuration. Further esterification under the reaction's acidic conditions leads also to the cis-diacetate. The method may be valuable for the synthesis of cis-vicinal diols without use of toxic osmium catalysts. Georg Thieme Verlag Stuttgart.

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