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18545-45-4

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18545-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18545-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,4 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18545-45:
(7*1)+(6*8)+(5*5)+(4*4)+(3*5)+(2*4)+(1*5)=124
124 % 10 = 4
So 18545-45-4 is a valid CAS Registry Number.

18545-45-4Relevant articles and documents

Trichloroisocyanuric Acid Oxidation of 2-Chloro Aldehyde Acetals to 2-Chloro Acids Esters

Boni, Monica,Ghelfi, Franco,Pagnoni, Ugo Maria,Pinetti, Adriano

, p. 156 - 159 (2007/10/02)

2-Chloro acid methyl esters were prepared in good yields treating 2-chloro aldehyde dimethyl acetals with trichloroisocyanuric acid in DMF.Aldehyde dimethyl acetals with the 2-halogen on a tertiary carbon atom were poorly reactive and could be oxidized efficiently only after their transformation into 1,3-dioxolanes.

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