2,2,7,7-tetramethyl- is a chemical prefix indicating the presence of four methyl groups (CH3) attached to a central molecule. In this specific case, the methyl groups are positioned at the 2nd, 2nd, 7th, and 7th carbon atoms of the molecule. This prefix is commonly found in various organic compounds, such as 2,2,7,7-tetramethyl-3,4-dihydro-2H-1,3-oxazine, which is a cyclic ether compound. The presence of these methyl groups can significantly influence the physical and chemical properties of the molecule, such as its stability, reactivity, and solubility. The tetramethyl substitution can also impact the molecule's biological activity, making it an important structural feature in the design of pharmaceuticals and other chemical products.
4377-99-5
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Basic information
- Product Name: 2,2,7,7-tetramethyl-
- Synonyms:
- CAS NO:4377-99-5
- Molecular Formula:
- Molecular Weight: 178.229
- EINECS: N/A
- Product Categories: N/A
- Mol File: 4377-99-5.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 2,2,7,7-tetramethyl-(CAS DataBase Reference)
- NIST Chemistry Reference: 2,2,7,7-tetramethyl-(4377-99-5)
- EPA Substance Registry System: 2,2,7,7-tetramethyl-(4377-99-5)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 4377-99-5(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 4377-99-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,7 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.Calculate Digit Verification of CAS Registry Number 4377-99:
(6*4)+(5*3)+(4*7)+(3*7)+(2*9)+(1*9)=115
115 % 10 = 5
So 4377-99-5 is a valid CAS Registry Number.
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2,2,7,7-tetramethyl-
