Hexamethylcyclobutene (HMCB) is a cyclic organic compound with the molecular formula C10H18. It is a colorless, highly stable liquid that is insoluble in water but soluble in organic solvents. HMCB is known for its exceptional thermal stability and resistance to oxidation, making it a valuable intermediate in the synthesis of various chemicals, including specialty polymers and pharmaceuticals. It is also used as a ligand in organometallic chemistry, particularly in the preparation of catalysts for olefin polymerization. The compound's structure consists of a cyclobutene ring with six methyl groups attached to each carbon atom, contributing to its unique properties and applications in the chemical industry.

2957-94-0

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Basic information
1. Product Name: hexamethylcyclobutene
2. Synonyms: hexamethylcyclobutene
3. CAS NO:2957-94-0
4. Molecular Formula:
5. Molecular Weight: 138.253
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: hexamethylcyclobutene(CAS DataBase Reference)
10. NIST Chemistry Reference: hexamethylcyclobutene(2957-94-0)
11. EPA Substance Registry System: hexamethylcyclobutene(2957-94-0)
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: 2957-94-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2957-94-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,5 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2957-94:
(6*2)+(5*9)+(4*5)+(3*7)+(2*9)+(1*4)=120
120 % 10 = 0
So 2957-94-0 is a valid CAS Registry Number.

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