IUPAC Name of C₇H₁₆ | 3-ethylpentane
What is the IUPAC name of C₇H₁₆?
The IUPAC name of C₇H₁₆ is 3-ethylpentane. It is a alkane with a 5-carbon parent chain (pentane) with a ethyl at position 3 substituent.
| Formula | C₇H₁₆ |
| IUPAC Name | 3-ethylpentane |
| Compound Class | Alkane |
| Parent Chain | pentane (5 carbons) |
| Substituents | ethyl at C3 |
| Difficulty | Advanced |
Step 1: Identify the Parent Chain
The longest continuous carbon chain in C₇H₁₆ contains 5 carbon atoms, giving the parent name pentane.
Step 2: Number and Name Substituents
Number the parent chain so that substituents receive the lowest possible locants. 3-ethylpentane has one substituent:
- ethyl 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-ethylpentane.
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