Spiro[3H-naphtho[2,1-b]pyran-3,9'-[9H]xanthene] is a complex organic compound characterized by a unique spiro structure, which involves the fusion of two heterocyclic rings sharing a common atom. This specific compound features a 3H-naphtho[2,1-b]pyran ring and a 9H-xanthene ring connected through a spiro linkage. The 3H-naphtho[2,1-b]pyran ring is a type of naphthalene derivative with a pyran ring fused to it, while the 9H-xanthene ring is a xanthene derivative with a hydrogenated structure. The compound's molecular formula is C23H14O2, indicating the presence of 23 carbon atoms, 14 hydrogen atoms, and 2 oxygen atoms. Due to its complex structure, Spiro[3H-naphtho[2,1-b]pyran-3,9'-[9H]xanthene] may exhibit unique optical and electronic properties, making it a subject of interest in the fields of organic chemistry and materials science.

162-49-2

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Basic information
1. Product Name: Spiro[3H-naphtho[2,1-b]pyran-3,9'-[9H]xanthene]
2. Synonyms:
3. CAS NO:162-49-2
4. Molecular Formula: C25H16O2
5. Molecular Weight: 348.401
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: Spiro[3H-naphtho[2,1-b]pyran-3,9'-[9H]xanthene](CAS DataBase Reference)
10. NIST Chemistry Reference: Spiro[3H-naphtho[2,1-b]pyran-3,9'-[9H]xanthene](162-49-2)
11. EPA Substance Registry System: Spiro[3H-naphtho[2,1-b]pyran-3,9'-[9H]xanthene](162-49-2)
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: 162-49-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 162-49-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,6 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 162-49:
(5*1)+(4*6)+(3*2)+(2*4)+(1*9)=52
52 % 10 = 2
So 162-49-2 is a valid CAS Registry Number.

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