1-Oxa-3-thia-2,4,7-trisilacycloheptane, 2,2,4,4,7,7-hexamethyl- is a complex cyclic organosilicon compound characterized by a seven-membered ring structure. It features a unique arrangement of atoms, with one oxygen atom, one sulfur atom, and five silicon atoms forming the backbone of the ring. The compound is further distinguished by the presence of six methyl groups (CH3) attached to the silicon atoms, specifically at the 2, 2, 4, 4, 7, and 7 positions. This hexamethyl substitution pattern contributes to the compound's stability and reactivity. The compound is of interest in the field of organosilicon chemistry due to its potential applications in materials science and as a precursor in the synthesis of more complex silicon-containing molecules.

69664-81-9

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Basic information
1. Product Name: 1-Oxa-3-thia-2,4,7-trisilacycloheptane, 2,2,4,4,7,7-hexamethyl-
2. Synonyms:
3. CAS NO:69664-81-9
4. Molecular Formula: C8H22OSSi3
5. Molecular Weight:
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-Oxa-3-thia-2,4,7-trisilacycloheptane, 2,2,4,4,7,7-hexamethyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: 1-Oxa-3-thia-2,4,7-trisilacycloheptane, 2,2,4,4,7,7-hexamethyl-(69664-81-9)
11. EPA Substance Registry System: 1-Oxa-3-thia-2,4,7-trisilacycloheptane, 2,2,4,4,7,7-hexamethyl-(69664-81-9)
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: 69664-81-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 69664-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,6 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69664-81:
(7*6)+(6*9)+(5*6)+(4*6)+(3*4)+(2*8)+(1*1)=179
179 % 10 = 9
So 69664-81-9 is a valid CAS Registry Number.

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