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2-Benzyl-1-butanol-p-toluolsulfonsaeureester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56640-47-2

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56640-47-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56640-47-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,4 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 56640-47:
(7*5)+(6*6)+(5*6)+(4*4)+(3*0)+(2*4)+(1*7)=132
132 % 10 = 2
So 56640-47-2 is a valid CAS Registry Number.

56640-47-2Relevant academic research and scientific papers

Kumada - Corriu coupling of Grignard reagents, probed with a chiral Grignard reagent

Hoelzer, Bettina,Hoffmann, Reinhard W.

, p. 732 - 733 (2003)

The Grignard reagent 2, in which the magnesium-bearing carbon atom is the sole stereogenic centre has been coupled with vinyl bromide under Pd(0) or Ni(0)-catalysis to give compound 3 with full retention of configuration. Coupling using Fe(acac)3/su

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