Disilane, chloropentaphenyl-, also known as chloropentaphenyl disilane, is a chemical compound with the formula (C6H5)5Si2Cl. It is a derivative of disilane, where one hydrogen atom is replaced by a chloropentaphenyl group. Disilane, chloropentaphenyl- is an organosilicon compound, which means it contains silicon atoms bonded to carbon atoms. Chloropentaphenyl disilane is a colorless, crystalline solid that is sensitive to air and moisture. It is used in the synthesis of various organosilicon compounds and as a precursor in the production of silicone materials. Due to its reactivity, it is typically handled under an inert atmosphere or in a controlled environment to prevent unwanted side reactions.

4321-91-9

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Basic information
1. Product Name: Disilane, chloropentaphenyl-
2. Synonyms:
3. CAS NO:4321-91-9
4. Molecular Formula: C30H25ClSi2
5. Molecular Weight: 477.152
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 4321-91-9.mol
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: Disilane, chloropentaphenyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: Disilane, chloropentaphenyl-(4321-91-9)
11. EPA Substance Registry System: Disilane, chloropentaphenyl-(4321-91-9)
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: 4321-91-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4321-91-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,2 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4321-91:
(6*4)+(5*3)+(4*2)+(3*1)+(2*9)+(1*1)=69
69 % 10 = 9
So 4321-91-9 is a valid CAS Registry Number.

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