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84432-70-2

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84432-70-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84432-70-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,3 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84432-70:
(7*8)+(6*4)+(5*4)+(4*3)+(3*2)+(2*7)+(1*0)=132
132 % 10 = 2
So 84432-70-2 is a valid CAS Registry Number.

84432-70-2Downstream Products

84432-70-2Relevant articles and documents

Determination of Enantiomeric Composition of Partly Racemized Carotenols

Aareskjold, Kare,Liaaen-Jensen, Synnove

, p. 499 - 504 (2007/10/02)

Method for determining enantiomeric composition of various racemized carotenols by converting them into diastereomeric esters with subsequent analysis have been studied.Diastereomeric esters of (-)-camphanic acid with carotenols other than α-ketols could not be separated by HPLC.No separation was achieved for diastereomeric esters of methoxytrifluoromethylphenylacetic acid (MTPA). 1H NMR analysis in the presence of Eu(fod)3 of diastereomeric MTPA esters allowed quantitative determination of the enantiomeric composition of carotenols with 2-hydroxy-β- and 3-hydroxy-β-type end groups.

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