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95920-19-7

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95920-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95920-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,9,2 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 95920-19:
(7*9)+(6*5)+(5*9)+(4*2)+(3*0)+(2*1)+(1*9)=157
157 % 10 = 7
So 95920-19-7 is a valid CAS Registry Number.

95920-19-7Downstream Products

95920-19-7Relevant articles and documents

Fluorescent and Nonfluorescent Aryl Vinyl Sulfones - Reagents Suitable for Protection and Detection of Thiol Functions

Horner, Leopold,Lindel, Hans

, p. 22 - 33 (2007/10/02)

The rate of the addition of primary, secondary, and tertiary thiols to aryl/alkyl vinyl sulfones 1 and 4-7 is investigated by competing reactions and by kinetics.The obtained acid stable 2-(alkyl-/arylthio)ethyl sulfones are cleaved by bases to give the starting material by rates corresponding to the rates of addition.Therefore, selective introduction and selective elimination of different (arylsulfonyl)ethyl protective groups in the same molecule is possible by using different kinetic steering factors. - Application of the fluorescent vinyl sulfones 5, 10, and 11 opens new fields for analysis and synthesis.SH-selective vinyl sulfones and thiophosphinic acid cyanides are "orthogonal" protective groups.

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