24254-20-4 Usage
General Description
2,2-DIMETHYLPROPANE-1,1,1-D3, also known as Neopentane, is a deuterated derivative of neopentane. It is a colorless, flammable gas at standard temperature and pressure, with a faint petroleum-like odor. Neopentane is used as a refrigerant, solvent, and as a blowing agent in the production of polystyrene foam. It is also used in chemical research and as a building block in the synthesis of other organic compounds. The deuterated form, 2,2-DIMETHYLPROPANE-1,1,1-D3, is often used as a stable isotopic tracer in chemical and biochemical experiments.
Check Digit Verification of cas no
The CAS Registry Mumber 24254-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,2,5 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 24254-20:
(7*2)+(6*4)+(5*2)+(4*5)+(3*4)+(2*2)+(1*0)=84
84 % 10 = 4
So 24254-20-4 is a valid CAS Registry Number.
24254-20-4Relevant articles and documents
Exchange Reactions of Alkanes containing Quaternary Carbon Atoms over Supported Metal Catalysts
Brown, Ronald,Kemball, Charles
, p. 2159 - 2172 (1989)
A comparison has been made of the exchange reactions with deuterium of 2,2-dimethylpropane (DMP), 2,2,3,3-tetramethylbutane (TMB) and 2,2,4,4-tetramethylpentane (TMP) over supported catalysts containing iridium, palladium, platinum or rhodium at temperatures in the neighbourhood of 400 K.Reactions were followed mass-spectrometrically and products were also examined by deuterium n.m.r. spectroscopy.Four processes or mechanisms were found to contribute to different extents with the various hydrocarbon-metal systems.These were (I) stepwise exchange, (II) methyl-group exchange, and more general multiple exchange involving (III) αγ-diadsorbed or (IV) αδ-diadsorbed intermediates.Some isomerisation of TMP was observed to occur simultaneously with exchange with the TMP-rhodium system.
