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(S)-2-((S)-1-Methyl-3-oxo-butyl)-cyclohexanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128935-85-3

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128935-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128935-85-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,3 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128935-85:
(8*1)+(7*2)+(6*8)+(5*9)+(4*3)+(3*5)+(2*8)+(1*5)=163
163 % 10 = 3
So 128935-85-3 is a valid CAS Registry Number.

128935-85-3Downstream Products

128935-85-3Relevant academic research and scientific papers

Organotin triflates as functional Lewis acids. A new entry to simple and efficient Robinson annulation

Sato, Tsuneo,Wakahara, Yoshiyuki,Otera, Junzo,Nozaki, Hitosi

, p. 1581 - 1584 (1990)

An efficient Robinson annulation has been established through the Michael addition of enol silyl ethers to α-enones catalyzed by dibutyltinbis(triflate) followed by the MeONa-mediated intramolecular aldol condensation of the adducts.

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