1,8-Bis-(3,3'-dimethyl-biphenyl-4-yl)-octatetraene is a complex organic compound with the molecular formula C42H40. It is characterized by its unique structure, which consists of two 3,3'-dimethyl-biphenyl-4-yl groups attached to an octatetraene backbone. This molecule is known for its rigid and planar structure, which is a result of the conjugated double bonds in the octatetraene chain. It is often used in the field of materials science, particularly in the development of organic semiconductors and as a component in the synthesis of more complex molecular structures. The compound's properties, such as its electronic behavior and stability, make it a valuable candidate for further research and potential applications in various technological fields.

4200-21-9

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Basic information
1. Product Name: 1,8-Bis-(3,3'-dimethyl-biphenyl-4-yl)-octatetrain
2. Synonyms:
3. CAS NO:4200-21-9
4. Molecular Formula:
5. Molecular Weight: 458.602
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: 1,8-Bis-(3,3'-dimethyl-biphenyl-4-yl)-octatetrain(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,8-Bis-(3,3'-dimethyl-biphenyl-4-yl)-octatetrain(4200-21-9)
11. EPA Substance Registry System: 1,8-Bis-(3,3'-dimethyl-biphenyl-4-yl)-octatetrain(4200-21-9)
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: 4200-21-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4200-21-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,0 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4200-21:
(6*4)+(5*2)+(4*0)+(3*0)+(2*2)+(1*1)=39
39 % 10 = 9
So 4200-21-9 is a valid CAS Registry Number.

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