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C30H20 is a chemical compound composed of 30 carbon atoms and 20 hydrogen atoms. It belongs to the class of polycyclic aromatic hydrocarbons (PAHs), which are organic compounds consisting of multiple fused aromatic rings. These compounds are known for their stability and are often found in coal tar and other petroleum products. C30H20, in particular, is a large PAH with a complex structure, and it is not commonly found in nature but can be synthesized in the laboratory. Due to its size and structure, it may have unique properties and potential applications in materials science and organic chemistry, although it is not as well-studied as some of the smaller PAHs.

7198-94-9

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7198-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7198-94-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,9 and 8 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7198-94:
(6*7)+(5*1)+(4*9)+(3*8)+(2*9)+(1*4)=129
129 % 10 = 9
So 7198-94-9 is a valid CAS Registry Number.

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