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ytterbium tris(2,4,6-trimethylbenzoate) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

197774-01-9

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197774-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197774-01-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,7 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 197774-01:
(8*1)+(7*9)+(6*7)+(5*7)+(4*7)+(3*4)+(2*0)+(1*1)=189
189 % 10 = 9
So 197774-01-9 is a valid CAS Registry Number.

197774-01-9Upstream product

197774-01-9Downstream Products

197774-01-9Relevant academic research and scientific papers

Lanthanide catalysts for the hetero Diels-Alder reaction: Effect of ligand structure and acidity

Spine,Clouston,Berg

, p. 1047 - 1054 (1997)

A series of yttrium, ytterbium, and lanthanum hexa- or heptacoordinate complexes were prepared and their catalytic activities tested in the hetero Diels-Alder reaction between crotonaldehyde and ethyl vinyl ether. It was found that a pKa below

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