Bergapten, Geralen, Heraclin, 4-Methoxyfuro[3,2-g]benzopyrane-7-one, Majudin
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
Beilstein/REAXYS Number:
EC Number:
MDL number:
PubChem Substance ID:
Pricing and availability is not currently available.

Quality Level




190-193 °C (lit.)

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5-Methoxypsoralen has been studied for its use in oral photochemotherapy in the treatment of psoriasis and other skin diseases.


1 g in glass bottle
250 mg in glass bottle


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Hazard Statements

Precautionary Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Silke B Bodendiek et al.
European journal of medicinal chemistry, 44(5), 1838-1852 (2008-12-06)
The voltage-gated potassium channel Kv1.3 constitutes an attractive pharmacological target for the treatment of effector memory T cell-mediated autoimmune diseases such as multiple sclerosis and psoriasis. Using 5-methoxypsoralen (5-MOP, 1), a compound isolated from Ruta graveolens, as a template we...
M T Conconi et al.
Pharmacology & toxicology, 82(4), 193-198 (1998-05-19)
The in vitro antiproliferative activity and in vivo phototoxicity of some methyl derivatives of 5-methoxypsoralen and 5-methoxyangelicin, i.e. 4,4'-dimethyl-5-methoxyangelicin (compound I), 3,4'-dimethyl-5-methoxyangelicin (compound II), 4,4'-dimethyl-5-methoxypsoralen (compound III); and 3,4'-dimethyl-5-methoxypsoralen (compound IV), have been investigated. The effects of the compounds were...
W McNeely et al.
Drugs, 56(4), 667-690 (1998-11-07)
5-Methoxypsoralen, a naturally occurring linear furocoumarin, has been successfully used in combination with ultraviolet (UV) A irradiation [psoralen plus UV (PUVA)] to manage psoriasis and vitiligo. In patients and volunteers, PUVA 5-methoxypsoralen causes a dose-related increase in cutaneous photosensitivity. However...
M Inzinger et al.
The British journal of dermatology, 165(3), 640-645 (2011-05-14)
Few studies have directly compared the clinical efficacy of psoralen plus ultraviolet A (PUVA) vs. biologics in the treatment of psoriasis. To compare the clinical efficacy of PUVA and biologic therapies for psoriasis under daily life conditions. Data from a...
Wei Yang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 878(5-6), 575-582 (2010-02-02)
A sensitive, specific and rapid liquid chromatography-mass spectrometry (LC-MS) method has been developed and validated for the simultaneous determination of xanthotoxin (8-methoxypsoralen), psoralen, isoimpinellin (5,8-dimethoxypsoralen) and bergapten (5-methoxypsoralen) in rat plasma using pimpinellin as an internal standard (IS). The plasma...
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