Dibenzo[a,h]biphenylene is a polycyclic aromatic hydrocarbon (PAH) consisting of three fused benzene rings, with the molecular formula C20H12. It is a colorless solid with a melting point of 273-274°C and is insoluble in water but soluble in organic solvents. This chemical is formed during the incomplete combustion of organic materials, such as coal, oil, and tobacco, and is considered a potential carcinogen due to its ability to bind to DNA and cause mutations. Dibenzo[a,h]biphenylene is also an environmental pollutant, found in air, water, and soil, and has been classified as a priority pollutant by the U.S. Environmental Protection Agency.

4023-71-6

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Basic information
1. Product Name: Dibenzo[a,h]biphenylene
2. Synonyms: Dibenzo[a,h]biphenylene
3. CAS NO:4023-71-6
4. Molecular Formula: C20H12
5. Molecular Weight: 252.31
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 4023-71-6.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Dibenzo[a,h]biphenylene(CAS DataBase Reference)
10. NIST Chemistry Reference: Dibenzo[a,h]biphenylene(4023-71-6)
11. EPA Substance Registry System: Dibenzo[a,h]biphenylene(4023-71-6)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 4023-71-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4023-71-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,2 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4023-71:
(6*4)+(5*0)+(4*2)+(3*3)+(2*7)+(1*1)=56
56 % 10 = 6
So 4023-71-6 is a valid CAS Registry Number.

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