Methoxsalen

About Methoxsalen

Methoxsalen is a high-purity reference standard of Methoxsalen carrying the CAS registry number 298-81-7. The compound has the formula C12H8O4, corresponding to a molecular weight of 216.19 g/mol. The IUPAC name is 9-methoxyfuro[3,2-g]chromen-7-one. It is also known as Xanthotoxin Methoxsalen or 8-Methoxypsoralen.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this Methoxsalen standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Methoxsalen is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Methoxsalen

View every impurity, metabolite and intermediate we list for Methoxsalen.

Methoxsalen impurities

Specifications & identifiers

Chemical identifiers
Product name	Methoxsalen
Catalogue No.	VQ-028767
CAS Number	298-81-7
IUPAC name	9-methoxyfuro[3,2-g]chromen-7-one
Molecular formula	C₁₂H₈O₄
Molecular weight	216.19 g/mol
Exact mass	216.0423
Grade	Reference Standard
HSN code	38229090
InChIKey	QXKHYNVANLEOEG-UHFFFAOYSA-N
SMILES	COC1=C2C(=CC3=C1OC=C3)C=CC(=O)O2
PubChem CID	4114

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	0 / 4
TPSA	48.7 Å²
Synonyms	Xanthotoxin Methoxsalen, 8-Methoxypsoralen, 8-MOP, 9-Methoxy-7H-furo[3,2-g]chromen-7-one, Meladinine, Meloxine, Xanthotoxine, Ammoidin, Meladinin, Ammodin, 8-Methoxypsoralene, New-Meladinin

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction

Precautionary statements: P261, P264, P270, P272, P280, P301 + P317, P302 + P352, P321, P330, P333 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Methoxsalen?

The CAS Registry Number of Methoxsalen is 298-81-7. It is also known as Xanthotoxin Methoxsalen, 8-Methoxypsoralen, 8-MOP.

What is the molecular formula and molecular weight of Methoxsalen?

Methoxsalen has the molecular formula C12H8O4 and a molecular weight of 216.19 g/mol. Its IUPAC name is 9-methoxyfuro[3,2-g]chromen-7-one.

What is Methoxsalen used for?

Methoxsalen is supplied as a characterised reference material related to Methoxsalen. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Methoxsalen can I order?

We supply Methoxsalen in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methoxsalen?

Yes. Every lot of Methoxsalen is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methoxsalen be shipped internationally?

Yes. Methoxsalen is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.