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159584-10-8

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159584-10-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159584-10-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,5,8 and 4 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 159584-10:
(8*1)+(7*5)+(6*9)+(5*5)+(4*8)+(3*4)+(2*1)+(1*0)=168
168 % 10 = 8
So 159584-10-8 is a valid CAS Registry Number.

159584-10-8Relevant articles and documents

Kinetics of the reaction of sodium arylthiolates with nitro-carboxybenzyl halide derivatives

Hamed, Ezzat A.,El-Bardan, Ali A.,El-Mallah, Nabila M.

, p. 283 - 289 (2007/10/03)

The rate constants for the reactions of 4-halomethyl-3-nitrobenzoic acids, the nonnitro derivatives, and their ethyl esters with arylthiolates were measured at different temperatures. It was found that the retardation in rate constants compared to benzyl halides is due to the electrostatic repulsion between the electronegative substituents (COO- and/or NO2) in the substrates and thiolate ions Good correlations between log K2 values of the acids and carbon basicities of thiolates were found while log k2 values of the esters show good straight lines with Hammett a constants, pKa. and carbon basicities of arylthiolates.

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