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143331-16-2

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143331-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143331-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,3 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 143331-16:
(8*1)+(7*4)+(6*3)+(5*3)+(4*3)+(3*1)+(2*1)+(1*6)=92
92 % 10 = 2
So 143331-16-2 is a valid CAS Registry Number.

143331-16-2Relevant articles and documents

D-Galacturonic Acid Drivatives, VI. - D-Galacturonic Acid Derivatives with Liquid Crystalline Properties

Vogel, Christian,Jeschke, Udo,Vill, Volkmar,Fischer, Hartmut

, p. 1171 - 1178 (2007/10/02)

Esters, thioesters, and amides of D-galacturonic acid have been synthesized from alcohols, thioalcohols, and amines having long alkyl chains.Key intermediates of the reaction with the different nucleophiles was the 1,2:3,4-di-O-isopropylidene-α-D-galactpy

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