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2160-47-6

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2160-47-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2160-47-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,6 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2160-47:
(6*2)+(5*1)+(4*6)+(3*0)+(2*4)+(1*7)=56
56 % 10 = 6
So 2160-47-6 is a valid CAS Registry Number.

2160-47-6Downstream Products

2160-47-6Relevant articles and documents

Aromatic Nucleophilic Substitution Reactions of Some 2-L-3-Nitro-5-X-thiophenes with Piperidine and Aniline in Methanol. Substituent Constants for the Thiophene System

Consiglio, Giovanni,Frenna, Vincenzo,Arnone, Caterina,Mezzina, Elisabetta,Spinelli, Domenico

, p. 2187 - 2190 (1994)

The rate constants for the reactions of some 2-L-3-nitro-5-X-thiophenes 1-4 with aniline and of compounds (4) with piperidine in methanol have been measured at various temperatures.By using the data obtained in this work as well as previously available data sets, a series of optimized 'thiophene' ?τ values has been calculated.The susceptibility constants ρ(L) of the various sets have been analysed in the framework of the reactivity-selectivity principle.

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