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858843-33-1

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858843-33-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 858843-33-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,4 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 858843-33:
(8*8)+(7*5)+(6*8)+(5*8)+(4*4)+(3*3)+(2*3)+(1*3)=221
221 % 10 = 1
So 858843-33-1 is a valid CAS Registry Number.

858843-33-1Downstream Products

858843-33-1Relevant articles and documents

Intrinsic Reactivities of Some Carbanions in ?-Adduct Forming Reactions

Crampton, Michael R.,Stevens, Andrew J.

, p. 1715 - 1720 (2007/10/02)

Kinetic and equilibrium data are reported for nucleophilic attack in methanol at unsubstituted ringpositions of 1,3,5-trinitrobenzene, 2,4,6-trinitrotoluene and 1-chloro-2,4,6-trinitrobenzene by carbanions derived from dimethyl malonate, ethyl cyanoacetate and 4-nitro-, 4-cyano- and 2-cyanobenzyl cyanides.The results are used to determine intrinsic reactivities for the carbanions in these ?-adduct forming reactions and are discussed in terms of the electronic and solvent reorganisation occurring during reaction.

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