3-Methyl-heptaphenyl-trisiloxan is a complex organic compound with the chemical formula C21H24O3Si3. It is a type of polysiloxane, which is a polymer that contains silicon, oxygen, carbon, and hydrogen atoms. This specific compound features a heptaphenyl group (a chain of seven phenyl rings) and three siloxane units (Si-O-Si), with a methyl group attached to the third carbon atom. It is known for its thermal stability and resistance to oxidation, making it useful in various industrial applications, such as in the production of high-temperature-resistant materials and as a component in some types of lubricants and sealants. The compound's unique structure also contributes to its low toxicity and environmental persistence, which are important considerations in its use and disposal.

6231-32-9

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Basic information
1. Product Name: 3-Methyl-heptaphenyl-trisiloxan
2. Synonyms:
3. CAS NO:6231-32-9
4. Molecular Formula:
5. Molecular Weight: 671.03
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: 3-Methyl-heptaphenyl-trisiloxan(CAS DataBase Reference)
10. NIST Chemistry Reference: 3-Methyl-heptaphenyl-trisiloxan(6231-32-9)
11. EPA Substance Registry System: 3-Methyl-heptaphenyl-trisiloxan(6231-32-9)
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: 6231-32-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6231-32-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,3 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6231-32:
(6*6)+(5*2)+(4*3)+(3*1)+(2*3)+(1*2)=69
69 % 10 = 9
So 6231-32-9 is a valid CAS Registry Number.

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