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684215-25-6

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684215-25-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 684215-25-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,4,2,1 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 684215-25:
(8*6)+(7*8)+(6*4)+(5*2)+(4*1)+(3*5)+(2*2)+(1*5)=166
166 % 10 = 6
So 684215-25-6 is a valid CAS Registry Number.

684215-25-6Downstream Products

684215-25-6Relevant articles and documents

Nucleophilic catalysis of the iodine-zinc exchange reaction: Preparation of highly functionalized diaryl zinc compounds

Kneisel, Florian F.,Dochnahl, Maximilian,Knochel, Paul

, p. 1017 - 1021 (2007/10/03)

Sensitive functional groups are tolerated in an iodine-zinc exchange reaction catalyzed by Li(acac). Aryl and heteroaryl diorganozinc compounds with keto, aldehyde, or isothiocyanate substituents can be prepared by this method (see example in scheme; acac = acetylacetone, NMP=1-methyl-2-pyrrolidinone). Such zinc reagents serve as substrates for a wide variety of coupling reactions.

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