1,2-Bis-(p-tolyl-sulfonyl)-benzol, also known as 1,2-bis(4-methylbenzenesulfonyl)benzene, is an organic compound with the molecular formula C20H18O4S2. It is a white crystalline solid that is soluble in common organic solvents such as ethanol, acetone, and dichloromethane. 1,2-Bis--benzol is characterized by its symmetrical structure, featuring a central benzene ring with two p-tolyl-sulfonyl groups attached at the 1 and 2 positions. The p-tolyl-sulfonyl groups consist of a toluene (methyl-benzene) moiety connected to a sulfonyl group (-SO2-). 1,2-Bis-(p-tolyl-sulfonyl)-benzol is primarily used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Its unique structure and reactivity make it a valuable building block in organic synthesis, particularly in the formation of complex molecular architectures.

5366-28-9

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Basic information
1. Product Name: 1,2-Bis--benzol
2. Synonyms:
3. CAS NO:5366-28-9
4. Molecular Formula:
5. Molecular Weight: 386.493
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: 1,2-Bis--benzol(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,2-Bis--benzol(5366-28-9)
11. EPA Substance Registry System: 1,2-Bis--benzol(5366-28-9)
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: 5366-28-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5366-28-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,6 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5366-28:
(6*5)+(5*3)+(4*6)+(3*6)+(2*2)+(1*8)=99
99 % 10 = 9
So 5366-28-9 is a valid CAS Registry Number.

5366-28-9Upstream product

4619-73-2 C₂₀H₂₀Cl₂O₄S₂

5366-28-9Downstream Products

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