9-Methylanilinomethylen-2-cyan-fluoren, also known as 9-Methyl-N-(2-cyano-2-fluorenylidenemethyl)aniline, is a complex organic compound with the chemical formula C21H16N2. It is a derivative of fluorene, featuring a methyl group at the 9-position, an aniline group attached to the 2-position through a methylene bridge, and a cyano group at the 2-position. 9-Methylanilinomethylen-2-cyan-fluoren is often used as a fluorescent brightening agent in various applications, such as in the textile industry to enhance the appearance of fabrics. Its chemical structure allows it to absorb ultraviolet light and re-emit it as visible light, which can make materials appear brighter and more vibrant. The compound is also known for its stability and resistance to fading, making it a popular choice for applications where colorfastness is important.

4508-73-0

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Basic information
1. Product Name: 9-Methylanilinomethylen-2-cyan-fluoren
2. Synonyms:
3. CAS NO:4508-73-0
4. Molecular Formula:
5. Molecular Weight: 308.382
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: 9-Methylanilinomethylen-2-cyan-fluoren(CAS DataBase Reference)
10. NIST Chemistry Reference: 9-Methylanilinomethylen-2-cyan-fluoren(4508-73-0)
11. EPA Substance Registry System: 9-Methylanilinomethylen-2-cyan-fluoren(4508-73-0)
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: 4508-73-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4508-73-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,0 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4508-73:
(6*4)+(5*5)+(4*0)+(3*8)+(2*7)+(1*3)=90
90 % 10 = 0
So 4508-73-0 is a valid CAS Registry Number.

4508-73-0Upstream product

2523-48-0 2-cyanofluorene

4508-73-0Downstream Products

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