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84850-25-9

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84850-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84850-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,8,5 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84850-25:
(7*8)+(6*4)+(5*8)+(4*5)+(3*0)+(2*2)+(1*5)=149
149 % 10 = 9
So 84850-25-9 is a valid CAS Registry Number.

84850-25-9Relevant articles and documents

Characterization of Monomeric Thiopivaldehyde

Vedejs, Edwin,Perry, David A.,Wilde, Richard G.

, p. 2985 - 2989 (1986)

The title compound is the first aliphatic thioaldehyde to be observed under odinary laboratory conditions.Its spectral data and chemical characterization are described, including 2+3 cycloadditions with nitronate ester 6, 2+4 cycloaddition with reactive dienes, thiophilic addition with phenyllithium, carbophilic addition with butyllithium, conversion to episulfide 15 by the Wittig reagent, and oxidation to sulfine 17 with MCPBA.Independent generation of thiopivaldehyde from tert-butyllithium + ethyl thionoformate followed by heating 9 in xylene or by cycloreversion of 2-tert-butyl-1,2-dithiolane with butyllithium are also described.

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