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Benzenesulfonic acid, 4-methyl-, 8H-cyclohepta[b]naphthalen-8-ylidenehydrazide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

92557-72-7

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92557-72-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92557-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,5,5 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 92557-72:
(7*9)+(6*2)+(5*5)+(4*5)+(3*7)+(2*7)+(1*2)=157
157 % 10 = 7
So 92557-72-7 is a valid CAS Registry Number.

92557-72-7Relevant academic research and scientific papers

Naphthocycloheptatrienylidene - a Carbene of the Tropylidene Series with Novel Properties

Hackenberger, Alfred,Duerr, Heinz

, p. 2644 - 2659 (2007/10/02)

Naphthotropylidene (3) possesses a annulene skeleton.It can be generated by flash solvolysis of the sodium salt of naphthotropone tosylhydrazone (4') in the gas-phase.Thus 1- and 2-methylanthracene (11 and 12) are formed.The decisive step is a carb

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