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78442-58-7

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78442-58-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78442-58-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,4 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78442-58:
(7*7)+(6*8)+(5*4)+(4*4)+(3*2)+(2*5)+(1*8)=157
157 % 10 = 7
So 78442-58-7 is a valid CAS Registry Number.

78442-58-7Downstream Products

78442-58-7Relevant articles and documents

Frontier-Controlled Pericyclic Reactions of Cyclooctatetraene with Cyclopentadienones. First Example of Exo ? Cycloadduct by Effective Secondary Orbital Control and Its Molecular Structure

Yasuda, Masami,Harano, Kazunobu,Kanematsu, Ken

, p. 3120 - 3126 (1981)

Pericyclic reactions of cyclooctatetraene with 2,5-bis(methoxycarbonyl)-3,4-diphenylcyclopentadienone (1a), 2-oxo-1,3-bis(ethoxycarbonyl)-2H-cyclopentaacenaphthylene (1b), and 2-oxo-1,3-diphenyl-2H-cyclopentaphenanthrene (1c) were investigated.The c

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