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816456-23-2

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816456-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 816456-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,6,4,5 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 816456-23:
(8*8)+(7*1)+(6*6)+(5*4)+(4*5)+(3*6)+(2*2)+(1*3)=172
172 % 10 = 2
So 816456-23-2 is a valid CAS Registry Number.

816456-23-2Upstream product

816456-23-2Downstream Products

816456-23-2Relevant academic research and scientific papers

An easy two-step reduction of salicylic acids and alcohols to 2-methylphenols

Mazzini, Francesco,Salvadori, Piero

, p. 2479 - 2481 (2005)

Salicylic acids and alcohols can be reduced to 2-methylphenols by a simple two steps procedure. Reaction conditions were optimized carrying out a study on the solvent effect and the amount of the reducing agent. The improved procedure resulted particularly useful in the synthesis of deuterated building blocks of biological interest. Georg Thieme Verlag Stuttgart.

First synthesis of rac-(5-2H3)-α-CEHC, a labeled analogue of a major vitamin E metabolite

Mazzini, Francesco,Netscher, Thomas,Salvadori, Piero

, p. 9303 - 9306 (2007/10/03)

Over the past few years, quantitative determination of α- and γ-CEHC, main urinary metabolites of vitamin E, has been becoming more and more important as a key parameter in assessing oxidative stress and supplementation of tocopherols. The use of deuterated analogues of these metabolites allows their accurate determination even in complex matrixes. While preparation of γ-CEHC-d2 has already been described, here we report the first synthesis of α-CEHC-d3 together with α-tocopheronolactone-d3, its oxidation product.

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