Aurantin, also known as 2-(2-carboxyphenyl)-3-(4-hydroxyphenyl)-5-benzofuranone, is a naturally occurring flavonoid found in citrus fruits, particularly in the peels and juices. It is a yellow-colored compound that belongs to the flavone subclass of flavonoids, which are known for their antioxidant properties. Aurantin exhibits various biological activities, such as anti-inflammatory, anticancer, and antimicrobial effects. It is also used as a natural food colorant and has been studied for its potential health benefits, including the prevention of cardiovascular diseases and the reduction of oxidative stress.

522-16-7

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Basic information
1. Product Name: AURANTINE
2. Synonyms: AURANTINE;aurantin;3,4',6,7,8-Pentamethoxyflavone;Auranetin;3,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one;3,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromone;3,6,7,8-TETRAMETHOXY-2-(4-METHOXYPHENYL)- 4H-1-BENZOPYRAN-4-ONE
3. CAS NO:522-16-7
4. Molecular Formula: C20H20O7
5. Molecular Weight: 372.37
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 522-16-7.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 421.84°C (rough estimate)
3. Flash Point: 245.5°C
4. Appearance: /
5. Density: 1.2457 (rough estimate)
6. Vapor Pressure: 1.6E-12mmHg at 25°C
7. Refractive Index: 1.5000 (estimate)
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: AURANTINE(CAS DataBase Reference)
11. NIST Chemistry Reference: AURANTINE(522-16-7)
12. EPA Substance Registry System: AURANTINE(522-16-7)
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: 522-16-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 522-16-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,2 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 522-16:
(5*5)+(4*2)+(3*2)+(2*1)+(1*6)=47
47 % 10 = 7
So 522-16-7 is a valid CAS Registry Number.

InChI:InChI=1/C20H20O7/c1-22-12-8-6-11(7-9-12)16-19(25-4)15(21)13-10-14(23-2)18(24-3)20(26-5)17(13)27-16/h6-10H,1-5H3

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