1,8-Bis-<4-phenoxy-phenyl>-octatetraene, also known as Rubrene, is an organic compound with the chemical formula C42H30O2. It is a red crystalline solid that belongs to the class of polycyclic aromatic hydrocarbons. Rubrene is characterized by its unique structure, which consists of two phenoxy-phenyl groups attached to an octatetraene chain. 1,8-Bis-<4-phenoxy-phenyl>-octatetrain is known for its high fluorescence quantum yield and strong photoluminescence properties, making it a valuable material in the field of organic electronics, particularly for applications in organic light-emitting diodes (OLEDs) and organic field-effect transistors (OFETs). Rubrene's chemical stability and electronic properties also make it a promising candidate for use in various optoelectronic devices.

4200-20-8

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Basic information
1. Product Name: 1,8-Bis-<4-phenoxy-phenyl>-octatetrain
2. Synonyms:
3. CAS NO:4200-20-8
4. Molecular Formula:
5. Molecular Weight: 434.494
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-<4-phenoxy-phenyl>-octatetrain(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,8-Bis-<4-phenoxy-phenyl>-octatetrain(4200-20-8)
11. EPA Substance Registry System: 1,8-Bis-<4-phenoxy-phenyl>-octatetrain(4200-20-8)
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: 4200-20-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4200-20-8 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 0 respectively.
Calculate Digit Verification of CAS Registry Number 4200-20:
(6*4)+(5*2)+(4*0)+(3*0)+(2*2)+(1*0)=38
38 % 10 = 8
So 4200-20-8 is a valid CAS Registry Number.

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