2,4,5-Trimethyl-fluoren-9-on, also known as 2,4,5-trimethyl-9H-fluorene-9-one, is an organic compound with the chemical formula C17H14O. It is a white crystalline solid that is soluble in organic solvents. 2,4,5-Trimethyl-fluoren-9-on is a derivative of fluorene, a polycyclic aromatic hydrocarbon, and is characterized by the presence of three methyl groups attached to the fluorene core at the 2, 4, and 5 positions. 2,4,5-Trimethyl-fluoren-9-on is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of herbicides. It is also employed in the preparation of dyes and pigments. Due to its potential applications and chemical properties, it is an important compound in the field of organic chemistry and chemical engineering.

2840-50-8

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Basic information
1. Product Name: 2,4,5-Trimethyl-fluoren-9-on
2. Synonyms: 2,4,5-Trimethyl-fluoren-9-on
3. CAS NO:2840-50-8
4. Molecular Formula:
5. Molecular Weight: 222.287
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: 2,4,5-Trimethyl-fluoren-9-on(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,4,5-Trimethyl-fluoren-9-on(2840-50-8)
11. EPA Substance Registry System: 2,4,5-Trimethyl-fluoren-9-on(2840-50-8)
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: 2840-50-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2840-50-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,4 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2840-50:
(6*2)+(5*8)+(4*4)+(3*0)+(2*5)+(1*0)=78
78 % 10 = 8
So 2840-50-8 is a valid CAS Registry Number.

2840-50-8Upstream product

93614-78-9 3-(2-methylphenyl)prop-2-en-1-al

2840-50-8Downstream Products

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