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56410-50-5

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56410-50-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56410-50-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,4,1 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 56410-50:
(7*5)+(6*6)+(5*4)+(4*1)+(3*0)+(2*5)+(1*0)=105
105 % 10 = 5
So 56410-50-5 is a valid CAS Registry Number.

56410-50-5Upstream product

56410-50-5Relevant articles and documents

Preparation of Benzothiophenes by Pd(0)-Catalyzed Intramolecular Cyclization of Allyl (and Propargyl) o-Iodophenyl Sulfides

Arnau, Narcis,Moreno-Manas, Marcial,Pleixats, Roser

, p. 11019 - 11028 (1993)

Benzothiophenes are prepared by intramolecular Pd(0)-catalyzed Heck reaction of allyl o-iodophenyl sulfides.Pd(0)-Catalyzed intramolecular cyclization of o-iodophenyl propargyl sulfide in the presence of a hydride donor gives 3-methylene-2,3-dihydrobenzothiophene, which reacts with several enophiles in ene type reactions.However, allyl (and propargyl) aryl sulfides react with palladium(II) chloride to afford polymeric 2.

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