8-Benzoyl-4-hydroxy-7-phenyl-pyrano[4,3-b]pyran-2,5-dione is a complex organic compound characterized by a pyrano[4,3-b]pyran core structure, which is a type of fused heterocyclic ring system. This molecule features a benzoyl group (C6H5-CO-) attached to the 8th position, a hydroxyl group (-OH) at the 4th position, and a phenyl group (C6H5-) at the 7th position. The compound also has two carbonyl groups (C=O), one at the 2nd and the other at the 5th position, which contribute to its reactivity and potential applications in various chemical and pharmaceutical contexts. The specific arrangement of these functional groups endows the molecule with unique chemical properties and potential uses in research and development.

7521-31-5

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Basic information
1. Product Name: 8-benzoyl-4-hydroxy-7-phenyl-pyrano[4,3-b]pyran-2,5-dione
2. Synonyms:
3. CAS NO:7521-31-5
4. Molecular Formula:
5. Molecular Weight: 360.323
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: 8-benzoyl-4-hydroxy-7-phenyl-pyrano[4,3-b]pyran-2,5-dione(CAS DataBase Reference)
10. NIST Chemistry Reference: 8-benzoyl-4-hydroxy-7-phenyl-pyrano[4,3-b]pyran-2,5-dione(7521-31-5)
11. EPA Substance Registry System: 8-benzoyl-4-hydroxy-7-phenyl-pyrano[4,3-b]pyran-2,5-dione(7521-31-5)
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: 7521-31-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7521-31-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,2 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7521-31:
(6*7)+(5*5)+(4*2)+(3*1)+(2*3)+(1*1)=85
85 % 10 = 5
So 7521-31-5 is a valid CAS Registry Number.

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