4,5-dihydro-3H-indeno[1,2-b]pyran-2-one is a complex organic chemical compound with the molecular formula C11H10O2. It belongs to the class of indeno[1,2-b]pyran derivatives, which are heterocyclic compounds containing a pyran ring fused to an indene system. This specific compound features a 4,5-dihydro structure, indicating the presence of two hydrogen atoms in the molecule that are not part of the aromatic system. The 3H-indeno[1,2-b]pyran-2-one part of the name suggests that the compound has a pyranone ring (a six-membered oxygen-containing ring) fused to an indene system, with the oxygen atom at the 2-position. 4,5-dihydro-3H-indeno[1,2-b]pyran-2-one may have potential applications in the synthesis of various pharmaceuticals, agrochemicals, or other organic compounds due to its unique structure and reactivity.

5796-66-7

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Basic information
1. Product Name: 4,5-dihydro-3H-indeno[1,2-b]pyran-2-one
2. Synonyms:
3. CAS NO:5796-66-7
4. Molecular Formula:
5. Molecular Weight: 186.21
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: 4,5-dihydro-3H-indeno[1,2-b]pyran-2-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 4,5-dihydro-3H-indeno[1,2-b]pyran-2-one(5796-66-7)
11. EPA Substance Registry System: 4,5-dihydro-3H-indeno[1,2-b]pyran-2-one(5796-66-7)
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: 5796-66-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5796-66-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,9 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5796-66:
(6*5)+(5*7)+(4*9)+(3*6)+(2*6)+(1*6)=137
137 % 10 = 7
So 5796-66-7 is a valid CAS Registry Number.

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5796-54-3 5H-indeno[1,2-b]pyran-2-one

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