IUPAC Name of C₆H₁₂ | 3-methylpent-1-ene
What is the IUPAC name of C₆H₁₂?
The IUPAC name of C₆H₁₂ is 3-methylpent-1-ene. It is a alkene with a 5-carbon parent chain (pent-1-ene) with a methyl at position 3 substituent.
| Formula | C₆H₁₂ |
| IUPAC Name | 3-methylpent-1-ene |
| Compound Class | Alkene |
| Parent Chain | pent-1-ene (5 carbons) |
| Substituents | methyl at C3 |
| Difficulty | Advanced |
Step 1: Identify the Parent Chain
The longest continuous carbon chain in C₆H₁₂ contains 5 carbon atoms, giving the parent name pent-1-ene. The parent chain must include the carbon-carbon double bond.
Step 2: Number and Name Substituents
Number the parent chain so that substituents receive the lowest possible locants. 3-methylpent-1-ene has one substituent:
- methyl at carbon 3
Step 3: Assemble the IUPAC Name
Combine the substituent locants and names (in alphabetical order) as prefixes to the parent chain name. If two or more identical substituents are present, use the multiplying prefixes di-, tri-, tetra-, etc. The complete IUPAC name is 3-methylpent-1-ene.
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