2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene

Name: 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene — Molecular Data
Creator: MolForge
License: https://creativecommons.org/publicdomain/zero/1.0/

C₁₁H₁₈ — CID 159430648

Data last refreshed: 2026-04-15 (MolForge compound catalog, from PubChem)

IUPAC2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene

SMILESCCC1=CC(CC(C)C)C=C1

InChIInChI=1S/C11H18/c1-4-10-5-6-11(8-10)7-9(2)3/h5-6,8-9,11H,4,7H2,1-3H3

InChIKeyQNZBTWQWKUXUHW-UHFFFAOYSA-N

MW150.26 g/mol

LogP3.55

Rot. Bonds3

About 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene

2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene (PubChem CID 159430648) has the molecular formula C₁₁H₁₈ and a molecular weight of 150.26 g/mol. Its IUPAC name is 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene.

Molecular Properties

Compound Name	2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene
PubChem CID	159430648
Molecular Formula	C₁₁H₁₈
Molecular Weight	150.26 g/mol
Exact Mass	150.14
IUPAC Name	2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene
SMILES	CCC1=CC(CC(C)C)C=C1
InChI	InChI=1S/C11H18/c1-4-10-5-6-11(8-10)7-9(2)3/h5-6,8-9,11H,4,7H2,1-3H3
InChIKey	QNZBTWQWKUXUHW-UHFFFAOYSA-N
XLogP	3.55
TPSA	0.00 Å²
H-Bond Donors
H-Bond Acceptors
Rotatable Bonds	3
Heavy Atoms	11
Complexity	—

Lipinski Rule of Five

Passes Rule of Five

Rule	Value
MW ≤ 500	150.26
LogP ≤ 5	3.55
H-Bond Donors ≤ 5	0
H-Bond Acceptors ≤ 10	0

Frequently Asked Questions

What is the IUPAC name of 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene?

The IUPAC name of 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene (CID 159430648) is 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene.

What is the SMILES notation for 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene?

The canonical SMILES for 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene is CCC1=CC(CC(C)C)C=C1.

What is the InChIKey of 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene?

The InChIKey is QNZBTWQWKUXUHW-UHFFFAOYSA-N. The full InChI is InChI=1S/C11H18/c1-4-10-5-6-11(8-10)7-9(2)3/h5-6,8-9,11H,4,7H2,1-3H3.

What are the key properties of 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene?

2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene has a molecular weight of 150.26 g/mol, XLogP of 3.55, 3 rotatable bonds, 0 hydrogen bond donors, and 0 hydrogen bond acceptors.

Where does this data come from?

All data for 2-ethyl-5-(2-methylpropyl)cyclopenta-1,3-diene is sourced from PubChem (CID 159430648), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).

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Sources

PubChem CID 159430648 — identifiers, structure, computed properties (public domain)

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