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2H-Pyran-2-one, 5-benzoyltetrahydro-4-methyl-, cis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138962-45-5

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138962-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138962-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,6 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 138962-45:
(8*1)+(7*3)+(6*8)+(5*9)+(4*6)+(3*2)+(2*4)+(1*5)=165
165 % 10 = 5
So 138962-45-5 is a valid CAS Registry Number.

138962-45-5Downstream Products

138962-45-5Relevant academic research and scientific papers

Lanthanide Trifluoromethanesulfonates as Stable Lewis Acids in Aqueous Media. Yb(OTf)3 Catalyzed Hydroxymethylation Reaction of Silyl Enol Ethers with Commercial Formaldehyde Solution

Kobayashi, Shu

, p. 2187 - 2190 (1991)

Silyl enol ethers smoothly react with commercial formaldehyde solution to give the corresponding hydroxymethylated adducts in high yields by the promotion of a catalytic amount of ytterbium(III) triflate (Yb(OTf)3), which is a stable Lewis acid in aqueous

Lanthanide Triflates as Water-Tolerant Lewis Acids. Activation of Commercial Formaldehyde Solution and Use in the Aldol Reaction of Silyl Enol Ethers with Aldehydes in Aqueous Media

Kobayashi, Shu,Hachiya, Iwao

, p. 3590 - 3596 (2007/10/02)

Lanthanide trifluoromethanesulfonates (triflates), especially ytterbium triflate (Yb(OTf)3), were found to be stable Lewis acids in water.In the presence of a catalytic amount of lanthanide triflate, formaldehyde in water solution (commercial formaldehyde

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