3,3'-dihydroxy-4,4'-sulfanediyl-di-[2]naphthoic acid is a complex organic compound with the chemical formula C20H14O8S2. It is a disulfide derivative of 2-naphthoic acid, featuring two hydroxyl groups at the 3,3' positions and a sulfanediyl bridge connecting the two naphthoic acid moieties at the 4,4' positions. 3,3'-dihydroxy-4,4'-sulfanediyl-di-[2]naphthoic acid is known for its potential applications in the synthesis of dyes and pharmaceuticals, particularly in the development of sulfonamide drugs. Its structure provides a foundation for understanding its chemical properties and reactivity, which can be crucial in various industrial and medicinal chemistry processes.

5223-27-8

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Basic information
1. Product Name: 3,3'-dihydroxy-4,4'-sulfanediyl-di-[2]naphthoic acid
2. Synonyms: 3,3'-dihydroxy-4,4'-sulfanediyl-di-[2]naphthoic acid
3. CAS NO:5223-27-8
4. Molecular Formula:
5. Molecular Weight: 406.416
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: 3,3'-dihydroxy-4,4'-sulfanediyl-di-[2]naphthoic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: 3,3'-dihydroxy-4,4'-sulfanediyl-di-[2]naphthoic acid(5223-27-8)
11. EPA Substance Registry System: 3,3'-dihydroxy-4,4'-sulfanediyl-di-[2]naphthoic acid(5223-27-8)
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: 5223-27-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5223-27-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,2 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5223-27:
(6*5)+(5*2)+(4*2)+(3*3)+(2*2)+(1*7)=68
68 % 10 = 8
So 5223-27-8 is a valid CAS Registry Number.

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