1,1,3,3-Tetramethyl-4,5,6,7-tetrahydro-indan-2-on, also known as TMTHI, is a chemical compound with the molecular formula C13H20O. It is a colorless liquid with a density of 0.94 g/cm3 and a boiling point of 250°C. TMTHI is a derivative of the indan class of compounds, which are cyclic hydrocarbons with a seven-membered ring structure. This specific compound is characterized by the presence of four methyl groups (CH3) and a ketone functional group (C=O). It is synthesized through various chemical reactions and is used in the production of pharmaceuticals, fragrances, and other organic compounds. Due to its unique structure and properties, TMTHI has potential applications in various industries, including the synthesis of novel drugs and the development of new materials.

5689-14-5

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Basic information
1. Product Name: 1,1,3,3-Tetramethyl-4,5,6,7-tetrahydro-indan-2-on
2. Synonyms:
3. CAS NO:5689-14-5
4. Molecular Formula:
5. Molecular Weight: 192.301
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: 1,1,3,3-Tetramethyl-4,5,6,7-tetrahydro-indan-2-on(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,1,3,3-Tetramethyl-4,5,6,7-tetrahydro-indan-2-on(5689-14-5)
11. EPA Substance Registry System: 1,1,3,3-Tetramethyl-4,5,6,7-tetrahydro-indan-2-on(5689-14-5)
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: 5689-14-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5689-14-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,8 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5689-14:
(6*5)+(5*6)+(4*8)+(3*9)+(2*1)+(1*4)=125
125 % 10 = 5
So 5689-14-5 is a valid CAS Registry Number.

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