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56640-33-6

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56640-33-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56640-33-6 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, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56640-33:
(7*5)+(6*6)+(5*6)+(4*4)+(3*0)+(2*3)+(1*3)=126
126 % 10 = 6
So 56640-33-6 is a valid CAS Registry Number.

56640-33-6Relevant articles and documents

Catalytic enantioselective ethylalumination of terminal alkenes: Substrate effects and absolute configuration assignment

Parfenova, Lyudmila V.,Kovyazin, Pavel V.,Tyumkina, Tatyana V.,Makrushina, Alyona V.,Khalilov, Leonard M.,Dzhemilev, Usein M.

, p. 124 - 135 (2015/02/19)

The chemo- and enantioselectivity of the reaction of alkenes with AlEt3 catalyzed by bis(1-neomenthylindenyl)zirconium dichloride has been studied. The reaction with linear alkenes in a chlorinated solvent (CH2Cl2) gives m

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