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3-p-Menthene-d2 is a deuterated analog of 3-p-menthene, a naturally occurring monoterpene found in essential oils of plants such as peppermint and other mint species. This chemical compound is characterized by its molecular formula C10D18, where deuterium atoms replace hydrogen atoms in the original 3-p-menthene molecule. Deuterium is a stable isotope of hydrogen with one proton, one neutron, and one electron, which makes 3-p-menthene-d2 useful in various applications, including as an internal standard in gas chromatography-mass spectrometry (GC-MS) analysis for the quantification of 3-p-menthene in samples. The deuteration process enhances the compound's stability and sensitivity, making it an essential tool in chemical research and analysis.

5256-69-9

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5256-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5256-69-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,5 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5256-69:
(6*5)+(5*2)+(4*5)+(3*6)+(2*6)+(1*9)=99
99 % 10 = 9
So 5256-69-9 is a valid CAS Registry Number.

5256-69-9Downstream Products

5256-69-9Relevant academic research and scientific papers

Hydrogen Participation vs. Elimination. The Role and Fate of Neighboring Hydrogen in Solvolysis of Neomenthyl Tosylate

Hirsl-Starcevic, Sanja,Majerski, Zdenko,Sunko, Dionis E.

, p. 3388 - 3393 (2007/10/02)

Product composition and α-d1 and β-d3 isotope effects in the solvolysis of neomenthyl tosylate (8-OTs) were determined in 70 percent aqueous trifluoroethanol and 70 percent aqueous ethanol.Both trifluoroethanolysis and ethanolysis gave 1-2 percent neomenthol (97percent d3), 12-13percent cis-4-menthanol (100percent d3), 2-3percent trans-4-menthanol (100percent d3), 66-70percent 3-p-menthene (83percent d3 and 17percent d2), and 5-9percent 4,8-p-menthene (97percent d3), respectively.These results and the high value of the β-d3 isotope effect (kH/kD=2.45) were interpreted in terms of rate-determining hydride shift followed by elimination which accounts for 75percent of all products.In 85percent of the elimination productsthe migrating hydrogen (deuterium) is not the one being eliminated.

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