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89673-72-3

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89673-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89673-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,7 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89673-72:
(7*8)+(6*9)+(5*6)+(4*7)+(3*3)+(2*7)+(1*2)=193
193 % 10 = 3
So 89673-72-3 is a valid CAS Registry Number.

89673-72-3Relevant articles and documents

Combination of carotenoids and epi-lutein

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Page/Page column 18, (2018/01/20)

The invention describes the preparation and use of carotenoid and epi-lutein compositions to treat various ocular diseases.

Total synthesis of (3R,3′R,6′R)-lutein and its stereoisomers

Khachik, Frederick,Chang, An-Ni

experimental part, p. 3875 - 3885 (2009/10/14)

(Chemical Equation Presented) (3R,3′R,6′R)-Lutein (1) is a major dietary carotenoid that is abundant in most fruits and vegetables commonly consumed in the U.S. and that accumulates in the human plasma, major organs, and ocular tissues. Numerous epidemiol

Selective hydrogenation of carotenones II.? Reduction of rhodoxanthin to lutein and zeaxanthin, and of canthaxanthin to a dihydro-retro-carotenediol by tellurium hydride

Sliwka, Hans-Richard,Liaaen-Jensen, Synnove

, p. 637 - 639 (2007/10/03)

Racemic lutein and racemic zeaxanthin have been prepared from rhodoxanthin by reduction with tellurium hydride. Similarly, canthaxanthin was transformed into a retro-carotenediol. Acta Chemica Scandinivica 1996.

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