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87279-54-7

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87279-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87279-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,7 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87279-54:
(7*8)+(6*7)+(5*2)+(4*7)+(3*9)+(2*5)+(1*4)=177
177 % 10 = 7
So 87279-54-7 is a valid CAS Registry Number.

87279-54-7Relevant articles and documents

α-Oxo Sulfones. 4. Correction of a Pretended α-Oxo Sulfone by an Unambiguous Synthesis of the Revised Structure

Schank, K.,Frisch, A.,Zwanenburg, B.

, p. 4580 - 4582 (1983)

By an independent synthesis the oxidation product of 1,1-dichloro-2,2-dimethyl-1-(phenylthio)-3-butene (1) was shown not to be α-oxo sulfone "2" as published earlier but a phenylsulfonyl γ-butyrolactone, 3.This synthesis involves the intramolecular reaction of a sulfenic carboxylic mixed anhydride with an olefinic bond.A rationale for the formation of 3 from 1 is presented.

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