4-Hydroxy-7-((E)-styryl)-pyrano[4,3-b]pyran-2,5-dione is a complex organic compound with the molecular formula C16H10O5. It is a derivative of pyrano[4,3-b]pyran, a type of heterocyclic compound characterized by the presence of both pyran and pyranone rings. The molecule features a hydroxyl group at the 4-position, a styryl group (a vinylbenzene moiety) at the 7-position, and two carbonyl groups at the 2 and 5 positions. 4-Hydroxy-7-((E)-styryl)-pyrano[4,3-b]pyran-2,5-dione is known for its potential applications in the field of organic chemistry, particularly in the synthesis of natural products and pharmaceuticals. Its unique structure and functional groups make it an interesting target for further research and development in the chemical industry.

5252-43-7

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Basic information
1. Product Name: 4-Hydroxy-7-((E)-styryl)-pyrano[4,3-b]pyran-2,5-dione
2. Synonyms:
3. CAS NO:5252-43-7
4. Molecular Formula:
5. Molecular Weight: 282.252
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-Hydroxy-7-((E)-styryl)-pyrano[4,3-b]pyran-2,5-dione(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Hydroxy-7-((E)-styryl)-pyrano[4,3-b]pyran-2,5-dione(5252-43-7)
11. EPA Substance Registry System: 4-Hydroxy-7-((E)-styryl)-pyrano[4,3-b]pyran-2,5-dione(5252-43-7)
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: 5252-43-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5252-43-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,5 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5252-43:
(6*5)+(5*2)+(4*5)+(3*2)+(2*4)+(1*3)=77
77 % 10 = 7
So 5252-43-7 is a valid CAS Registry Number.

5252-43-7Upstream product

5252-43-7Downstream Products

22139-77-1 pinosylvin

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