Dinaphtho[2,3-b;2',3'-e][1,4]dioxin is a complex polycyclic aromatic hydrocarbon (PAH) consisting of two naphthalene rings fused together with a dioxin bridge. This chemical structure is characterized by the presence of two benzene rings sharing a common oxygen atom, forming a dioxin ring. The compound is known for its high stability and resistance to degradation, which can lead to environmental persistence. Due to its complex structure and potential environmental impact, it is a subject of interest in chemical research and environmental studies. However, it is important to note that the specific properties, applications, and health effects of dinaphtho[2,3-b;2',3'-e][1,4]dioxin are not well-documented, and further research is needed to fully understand its implications.

258-81-1

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Basic information
1. Product Name: Dinaphtho[2,3-b;2',3'-e][1,4]dioxin
2. Synonyms: Dinaphtho[2,3-b;2',3'-e][1,4]dioxin
3. CAS NO:258-81-1
4. Molecular Formula:
5. Molecular Weight: 284.314
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Dinaphtho[2,3-b;2',3'-e][1,4]dioxin(CAS DataBase Reference)
10. NIST Chemistry Reference: Dinaphtho[2,3-b;2',3'-e][1,4]dioxin(258-81-1)
11. EPA Substance Registry System: Dinaphtho[2,3-b;2',3'-e][1,4]dioxin(258-81-1)
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: 258-81-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 258-81-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,5 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 258-81:
(5*2)+(4*5)+(3*8)+(2*8)+(1*1)=71
71 % 10 = 1
So 258-81-1 is a valid CAS Registry Number.

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