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Toluene-4-sulfonic acid (4S,5S)-2,2-dimethyl-5-trifluoromethanesulfonyloxymethyl-[1,3]dioxolan-4-ylmethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128162-83-4

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128162-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128162-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,6 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128162-83:
(8*1)+(7*2)+(6*8)+(5*1)+(4*6)+(3*2)+(2*8)+(1*3)=124
124 % 10 = 4
So 128162-83-4 is a valid CAS Registry Number.

128162-83-4Relevant academic research and scientific papers

A Novel Carbon-Carbon Bond-Forming Reaction of Triflates with Copper(I)-Catalyzed Grignard reagents. A New Concise and Enantiospecific Synthesis of (+)-exo-Brevicomin, (5R,6S)-(-)-6-Acetoxy-5-hexadecanolide, and L-Factor

Kotsuki, Hiyoshizo,Kadota, Isao,Ochi, Masamitsu

, p. 4417 - 4422 (1990)

We describe here a full accound of a highly concise and enantiospecific synthesis of (+)-exo-brevicomin (7), (5R,6S)-(-)-6-acetoxy-5-hexadecanolide (11), and L-factor (16) originating from D- or L-tartrates as chiral sources.The synthesis employs an effic

Ytterbium(III) trifluoromethanesulfonate catalyzed high pressure reaction of epoxides with indole. An enantioselective synthesis of (+)-diolmycin A2

Kotsuki,Teraguchi,Shimomoto,Ochi

, p. 3727 - 3730 (2007/10/03)

Epoxide opening reactions with indole are efficiently accelerated under high pressure conditions in the presence of a catalytic amount of ytterbium(III) trifluoromethanesulfonate to afford tryptophol derivatives. The procedure is successfully applied for an enantioselective synthesis of (+)-diolmycin A2.

Synthesis of Lateral Root-Inducing Compounds Using an Efficient Coupling Reaction of Chiral Triflates

Kotsuki, Hiyoshizo,Miyazaki, Aya,Ochi, Masamitsu,Sims, James J.

, p. 721 - 723 (2007/10/02)

Lateral root-inducing compounds, isolated from the bacterium Erwinia quercina, have been synthesized by using a coupling reaction of chiral triflates derived from L- or D-tartrates and their biological activities examined.

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