4,4'-Bis-(biphenyl-4-sulfonyl)-biphenyl is a complex organic compound with the chemical formula C30H20O4S2. It is characterized by its symmetrical structure, featuring a central biphenyl core with two biphenyl-4-sulfonyl groups attached to the 4-position of each phenyl ring. 4,4'-Bis-(biphenyl-4-sulfonyl)-biphenyl is known for its thermal stability and is often used in the synthesis of high-performance polymers, such as polyethersulfone and polyphenylsulfone, due to its ability to contribute to the polymer's mechanical strength and heat resistance. The sulfonyl groups also enhance the polymer's chemical resistance, making it suitable for applications in harsh environments.

3548-13-8

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Basic information
1. Product Name: 4,4'-Bis-(biphenyl-4-sulfonyl)-biphenyl
2. Synonyms: 4,4'-Bis-(biphenyl-4-sulfonyl)-biphenyl
3. CAS NO:3548-13-8
4. Molecular Formula:
5. Molecular Weight: 586.732
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: 4,4'-Bis-(biphenyl-4-sulfonyl)-biphenyl(CAS DataBase Reference)
10. NIST Chemistry Reference: 4,4'-Bis-(biphenyl-4-sulfonyl)-biphenyl(3548-13-8)
11. EPA Substance Registry System: 4,4'-Bis-(biphenyl-4-sulfonyl)-biphenyl(3548-13-8)
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: 3548-13-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3548-13-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,4 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3548-13:
(6*3)+(5*5)+(4*4)+(3*8)+(2*1)+(1*3)=88
88 % 10 = 8
So 3548-13-8 is a valid CAS Registry Number.

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