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pent-4-en-1-ynylbenzene

Also known as: 1-PHENYL-4-PENTEN-1-YNE, 1-Phenyl-4-penten-1-yne, 1-Phenyl-4-penten-1-yne 97%, 1-Phenyl-4-penten-1-yne, CAS 4289-20-7, 1-Phenylpent-4-en-1-yne, 5-Phenylpent-1-en-4-yne, 5-phenyl-1-penten-4-yne, Benzene, 4-penten-1-yn-1-yl-, pent-4-en-1-yn-1-ylbenzene, pent-4-en-1-ynyl-benzene

pent-4-en-1-ynylbenzene (CAS 4289-20-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H10 and a molecular weight of 142.19700 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4289-20-7
Jingsj CID
J-1432051-5
Molecular Formula
C11H10
Molecular Weight
142.19700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass142.07800
LogP2.61420

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of pent-4-en-1-ynylbenzene?

The CAS number of pent-4-en-1-ynylbenzene is 4289-20-7.

What are the molecular formula and molecular weight of pent-4-en-1-ynylbenzene?

pent-4-en-1-ynylbenzene has molecular formula C11H10 and molecular weight 142.19700 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "pent-4-en-1-ynylbenzene (CAS 4289-20-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1432051-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.