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2,2,5,5-Tetramethyl-1,3-dioxolane-4-one, also known as TMDO, is a chemical compound with the molecular formula C6H10O3. It is a cyclic ester derived from dioxolane, featuring two methyl groups at the 2nd and 5th positions and a carbonyl group at the 4th position. TMDO is a colorless liquid with a pungent odor and is soluble in various organic solvents. It is primarily used as a gasoline additive to improve octane rating and reduce engine knocking. Additionally, it has applications in the synthesis of other chemicals and as a solvent in certain industrial processes. Due to its potential health and environmental concerns, its use has been restricted or banned in some countries.

4560-54-7

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4560-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4560-54-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,6 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4560-54:
(6*4)+(5*5)+(4*6)+(3*0)+(2*5)+(1*4)=87
87 % 10 = 7
So 4560-54-7 is a valid CAS Registry Number.

4560-54-7Relevant academic research and scientific papers

The Reaction of Dimethyldioxirane with Alkynes

Murray, Robert W.,Singh, Megh

, p. 5076 - 5080 (1993)

The reaction of dimethyldioxirane with several alkynes gives products which are conveniently rationalized by postulating the intermediacy of oxirenes and oxocarbenes.The latter serve as precursors to H atom or methyl group migration products, as well as to cyclopropane insertion products in some cases.Alkenes, derived from some of these carbene reactions, are partially converted to epoxides.

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