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457612-25-8

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457612-25-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 457612-25-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,6,1 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 457612-25:
(8*4)+(7*5)+(6*7)+(5*6)+(4*1)+(3*2)+(2*2)+(1*5)=158
158 % 10 = 8
So 457612-25-8 is a valid CAS Registry Number.

457612-25-8Relevant articles and documents

Clean and easy photochemistry

Ciana, Claire-Lise,Bochet, Christian G.

, p. 650 - 654 (2008/03/11)

In this paper we try to convince you that the usual prejudices against photochemistry are not always well founded, supported by examples from the literature and from our own work. In fact, photochemistry can be a very powerful tool, for example in some elegant total syntheses which use key photochemical steps. Furthermore, the exploitation of chromatic orthogonality which allows wavelength-selective reactions, and recent strategies opening the possibility of enantioselective catalysis in photochemical reactions, expand the scope of this versatile synthetic tool. Finally, state-of-art LED-technology has allowed the development of small and easy-to-use photoreactors. Schweizerische Chemische Gesellschaft.

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