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2-Cyclononen-1-one, 5,5-bis(phenylsulfonyl)-, (Z)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140231-99-8

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140231-99-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140231-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,2,3 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 140231-99:
(8*1)+(7*4)+(6*0)+(5*2)+(4*3)+(3*1)+(2*9)+(1*9)=88
88 % 10 = 8
So 140231-99-8 is a valid CAS Registry Number.

140231-99-8Downstream Products

140231-99-8Relevant academic research and scientific papers

On palladium catalyzed cyclizations to medium sized carbocycles

Trost, Barry M.,Vos, Beverly A.,Brzezowski, Christine M.,Martina, Daniel P.

, p. 717 - 720 (1992)

With proper choice of Pd(O) catalyst, especially by employment of a novel bidentate phosphite ligand, and substitution pattern of substrate, eight and nine membered carbocyclic ring formation dominates the normally much more favorable six and seven membered ring formation.

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