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4-Cyan-acenaphthen, also known as 4-cyanacenaphthylene, is an organic compound with the chemical formula C12H7N. It is a derivative of acenaphthene, a polycyclic aromatic hydrocarbon, with a cyano group (CN) attached to the 4-position of the molecule. 4-Cyan-acenaphthen is characterized by its planar structure and exhibits properties typical of both aromatic and nitrile compounds. 4-Cyan-acenaphthen is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds due to its versatile chemical reactivity. It is important to handle 4-Cyan-acenaphthen with care, as it may have potential health and environmental risks.

4657-99-2

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4657-99-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4657-99-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,5 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4657-99:
(6*4)+(5*6)+(4*5)+(3*7)+(2*9)+(1*9)=122
122 % 10 = 2
So 4657-99-2 is a valid CAS Registry Number.

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