Imperatorin

Also known as: Ammidin, 8-Isopentenyloxypsoralen, 8-Isoamylenoxypsoralen, Pentosalen, Marmelosin, Marmelide, 9-(3-methylbut-2-enoxy)furo[3,2-g]chromen-7-one, 9-[(3-methyl-2-buten-1-yl)oxy]-7H-furo[3,2-g]chromen-7-one

Imperatorin (CAS 482-44-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H14O4 and a molecular weight of 270.280 g/mol. Key properties include a melting point of 98-100ºC, a boiling point of 448.3±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 224.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 482-44-0
Jingsj CID: J-1975595-4
Molecular Formula: C₁₆H₁₄O₄
Molecular Weight: 270.280 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	98-100ºC
Boiling Point	448.3±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	224.9±28.7 °C
Exact Mass	270.089203
PSA	52.58000
LogP	3.81
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.606
Storage Conditions	2-8°C

Activity & Biological Data

Target	IC50: 9.2 μmol (NO synthesis), 31.4 μmol (BChE)[1]EC50: 12.6±3.2 μM (TRPV1)[2]
Additional Information	[1]. Kozioł E, et al. Imperatorin-pharmacological meaning and analytical clues: profound investigation. Phytochem Rev. 2016;15:627-649. [2]. Chen X, et al. Furanocoumarins are a novel class of modulators for the transient receptor potential vanilloid type 1 (TRPV1) channel. J Biol Chem. 2014 Apr 4;289(14):9600-10. [3]. Budzynska B, et al. Effects of imperatorin on scopolamine-induced cognitive impairment and oxidative stress in mice. Psychopharmacology (Berl). 2015 Mar;232(5):931-42.

Target

IC50: 9.2 μmol (NO synthesis), 31.4 μmol (BChE)[1]EC50: 12.6±3.2 μM (TRPV1)[2]

Additional Information

[1]. Kozioł E, et al. Imperatorin-pharmacological meaning and analytical clues: profound investigation. Phytochem Rev. 2016;15:627-649. [2]. Chen X, et al. Furanocoumarins are a novel class of modulators for the transient receptor potential vanilloid type 1 (TRPV1) channel. J Biol Chem. 2014 Apr 4;289(14):9600-10. [3]. Budzynska B, et al. Effects of imperatorin on scopolamine-induced cognitive impairment and oxidative stress in mice. Psychopharmacology (Berl). 2015 Mar;232(5):931-42.

Frequently Asked Questions

What is the CAS number of Imperatorin?

The CAS number of Imperatorin is 482-44-0.

What are the molecular formula and molecular weight of Imperatorin?

Imperatorin has molecular formula C16H14O4 and molecular weight 270.280 g/mol.

What are the upstream and downstream products of Imperatorin?

For Imperatorin, Upstream Products: 1-Chloro-3-methyl-2-butene, Xanthotoxol, 3,3-Dimethylallyl bromide; Downstream Products: Xanthotoxol, Alloimperatorin, Methoxsalen.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Imperatorin (CAS 482-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975595-4 (accessed 2026-11-09).

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