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73908-38-0

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73908-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73908-38-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,0 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 73908-38:
(7*7)+(6*3)+(5*9)+(4*0)+(3*8)+(2*3)+(1*8)=150
150 % 10 = 0
So 73908-38-0 is a valid CAS Registry Number.

73908-38-0Relevant articles and documents

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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