IUPAC Naming Helper
Determine the systematic IUPAC prefix and name for simple straight-chain alkanes based on the carbon atom count.
Calculation Parameters
Specify your stoichiometry inputs.
Calculated Result
IUPAC Alkane Name
Expert Tip
The suffix "-ane" is used for alkanes (saturated hydrocarbons with single bonds). Alkenes use "-ene", and alkynes use "-yne".
How this Calculator Works
This naming helper generates the IUPAC name and molecular formula for straight-chain saturated alkanes (single bonds). Adjust the slider below:
- Carbon Atom Count (n): The number of carbon atoms in the alkane backbone (Range: 1 to 20, Default: 3)
The results are computed instantly and updated in the results panel on the right.
Formula & Methodology
Where:
- n: Number of carbon atoms.
- Prefixes: 1=meth-, 2=eth-, 3=prop-, 4=but-, 5=pent-, 6=hex-, 7=hept-, 8=oct-, 9=non-, 10=dec-.
Step-by-Step Calculation Example
To determine the formula and name for 3 carbon atoms manually, follow these steps:
- Identify the input parameters. For example:
- Carbon Count (n) = 3
- Apply the formula:
1. Formula: C_3 H_(2*3 + 2) = C₃H₈ 2. Naming: Prefix for 3 is "prop-". Append "-ane" to get Propane.
- Verify the calculated value which is updated instantly in the results panel on the right.
Frequently Asked Questions
What is the order of priority for IUPAC principal functional groups? ▼
Carboxylic Acid > Ester > Amide > Nitrile > Aldehyde > Ketone > Alcohol > Amine > Alkene > Alkyne > Alkane.
How do you select the parent carbon chain? ▼
Choose the longest continuous carbon chain containing the highest priority functional group and maximum multiple bonds.
How are substituents listed in IUPAC chemical names? ▼
Substituents (e.g. methyl, ethyl, bromo) are listed in alphabetical order before the parent chain root name.