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6541-42-0

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6541-42-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6541-42-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,4 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6541-42:
(6*6)+(5*5)+(4*4)+(3*1)+(2*4)+(1*2)=90
90 % 10 = 0
So 6541-42-0 is a valid CAS Registry Number.

6541-42-0Relevant articles and documents

Synthesis of apocarotenoids by acyclic cross metathesis and characterization as substrates for human retinaldehyde dehydrogenases

Domínguez, Marta,Pequerul, Raquel,Alvarez, Rosana,Giménez-Dejoz, Joan,Birta, Eszter,Porté, Sergio,Rühl, Ralph,Parés, Xavier,Farrés, Jaume,de Lera, Angel R.

, p. 2567 - 2574 (2018/04/19)

A new synthesis of three apocarotenoids, namely 14′-apo-β-carotenal, 12′-apo-β-carotenal and 10′-apo-β-carotenal, has been achieved that is based on the acyclic cross-metathesis of the hexaene derived from retinal and the corresponding partners. These compounds can be enzymatically converted to their carboxylic acids by the human aldehyde dehydrogenases involved in retinaldehyde oxidation. Their kinetic parameters suggest that these enzymes might play a role in the physiological metabolism of apocarotenoids.

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