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Merck

T6137

Sigma-Aldrich

Trioxsalen

≥98% (HPLC), powder, photochemical DNA crosslinker

Synonym(s):

2,5,9-Trimethylfuro[3,2-g]benzopyran-7-one, 4,5′,8-Trimethylpsoralen, TMP, Trisoralen

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About This Item

Empirical Formula (Hill Notation):
C14H12O3
CAS Number:
3902-71-4
Molecular Weight:
228.24
Beilstein:
221723
EC Number:
223-459-0
MDL number:
MFCD00005010
UNSPSC Code:
12352200
PubChem Substance ID:
24900351
NACRES:
NA.77

Key Documents

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Product Name

Trioxsalen, ≥98% (HPLC), powder

Quality Level

200

Assay

≥98% (HPLC)

form

powder

color

white

mp

229-231 °C (lit.)

solubility

chloroform: soluble 50 mg/mL, clear, colorless to faintly yellow

fluorescence

λex 269 nm; λem 445 nm in methanol
λex 321 nm; λem 445 nm (bound to DNA in Tris, pH 8.1)

originator

Valeant

storage temp.

−20°C

SMILES string

Cc1cc2cc3C(C)=CC(=O)Oc3c(C)c2o1

InChI

1S/C14H12O3/c1-7-4-12(15)17-14-9(3)13-10(6-11(7)14)5-8(2)16-13/h4-6H,1-3H3

InChI key

FMHHVULEAZTJMA-UHFFFAOYSA-N

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Application

Trioxsalen has been used for mutagenesis of N2 worms4,5.
Trioxsalen has been used:
  • to induce small deletion mutations in worms
  • in combination with ultraviolet A (UVA)
  • to induce interstrand crosslinks (ICLs) in DNA
  • for the preparation and photoactivation of trimethyl psoralen

Biochem/physiol Actions

Photochemical crosslinker of DNA that has been used as a probe for nucleic acid structure and function.
Photochemical crosslinker of DNA that has been used as a probe for nucleic acid structure and function. Trioxsalen has also been used to crosslink DNA onto mica surfaces.
Trioxsalen (TRX) is a 4,5′,8-trimethylated psoralen analog, which belongs to the family of furocoumarins. It is mostly used to treat psoriasis.

Features and Benefits

This compound is a featured product for Apoptosis research. Click here to discover more featured Apoptosis products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound was developed by Valeant. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Preparation Note

Trioxsalen is soluble in chloroform at 50 mg/ml and yields a clear, colorless to faint yellow solution.

Signal Word

Danger

Hazard Statements

H312 + H332,H314,H341

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SLBB7588V
101K2518
046H2501
038H2500
022H2501

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Isolation of deletion mutants by reverse genetics in Caenorhabditis elegans
Park BJ, et al.
Korean Journal of Biological Sciences, 5(1), 65-69 (2001)
UHRF1 is a sensor for DNA interstrand crosslinks and recruits FANCD2 to initiate the Fanconi anemia pathway
Liang CC, et al.
Cell Reports, 10(12), 1947-1956 (2015)
Aurèle Piazza et al.
Methods in molecular biology (Clifton, N.J.), 2153, 535-554 (2020-08-26)
DNA double-strand breaks (DSBs) are genotoxic lesions that can be repaired in a templated fashion by homologous recombination (HR). HR is a complex pathway that involves the formation of DNA joint molecules (JMs) containing heteroduplex DNA. Various types of JMs
Filippo Doria et al.
Journal of medicinal chemistry, 50(26), 6570-6579 (2007-12-01)
Mild photoactivation of new BINOL-amino acid and -amino ester conjugates (BINOLAMs) yielded alkylating and DNA cross-linking agents with high photoefficiency and superior cytotoxicity. Detection of the transient electrophile, by laser flash photolysis (LFP), suggests that BINOL-quinone methides (QMs) are key
Chunru Lin et al.
Molecular and cellular biology, 25(17), 7484-7493 (2005-08-19)
We have previously demonstrated that p68 RNA helicase, as an essential human splicing factor, acts at the U1 snRNA and 5' splice site (5'ss) duplex in the pre-mRNA splicing process. To further analyze the function of p68 in the spliceosome
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