Cas 85292-75-7,(E)-7-Oxo-7-phenyl-hept-3-enoic acid

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Check Digit Verification of cas no

The CAS Registry Mumber 85292-75-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,2,9 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 85292-75:
(7*8)+(6*5)+(5*2)+(4*9)+(3*2)+(2*7)+(1*5)=157
157 % 10 = 7
So 85292-75-7 is a valid CAS Registry Number.

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85292-75-7Relevant academic research and scientific papers

A CONVENIENT METHOD FOR THE SYNTHESIS OF 7-OXO-(E)-3-ALKENOIC ACIDS BY THE REACTION OF β-VINYL-β-PROPIOLACTONE WITH METALLATED N,N-DIMETHYLHYDRAZONES

Fujisawa, Tamotsu,Takeuchi, Masashi,Sato, Toshio

, p. 1521 - 1524 (1982)

β-Vinyl-β-propiolactone reacts regio- and stereoselectively with an enolate equivalent such as cuprate derivatives of N,N-dimethylhydrazones and their bromomagnesium derivatives in the presence of a copper(I) catalyst to afford 7-oxo-(E)-3-alkenoic acids

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