Isopimpinellin

Name: Isopimpinellin
Brand: Vaqora Chemicals
SKU: VQ-031268

About Isopimpinellin

Isopimpinellin (CAS 482-27-9) is an impurity of Methoxsalen offered by Vaqora Chemicals. The compound has the formula C13H10O5, corresponding to a molecular weight of 246.21 g/mol. The IUPAC name is 4,9-dimethoxyfuro[3,2-g]chromen-7-one. Common synonyms include 5,8-Dimethoxypsoralen and 5,8-Dimethoxypsoralene.

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 “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Methoxsalen, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Methoxsalen

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

Methoxsalen impurities

Specifications & identifiers

Chemical identifiers
Product name	Isopimpinellin
Catalogue No.	VQ-031268
CAS Number	482-27-9
IUPAC name	4,9-dimethoxyfuro[3,2-g]chromen-7-one
Molecular formula	C₁₃H₁₀O₅
Molecular weight	246.21 g/mol
Exact mass	246.0528
Grade	Reference Standard
HSN code	38229090
InChIKey	DFMAXQKDIGCMTL-UHFFFAOYSA-N
SMILES	COC1=C2C=COC2=C(C3=C1C=CC(=O)O3)OC
PubChem CID	68079

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	0 / 5
TPSA	57.9 Å²
Synonyms	5,8-Dimethoxypsoralen, 5,8-Dimethoxypsoralene, 4,9-Dimethoxy-7H-furo[3,2-g]chromen-7-one, 5,8-Dimethoxy-6,7-furanocoumarin, 7H-Furo[3,2-g][1]benzopyran-7-one, 4,9-dimethoxy-, 4,9-Dimethoxy-7H-furo[3,2-g][1]benzopyran-7-one, 4,9-Dimethoxy-7H-furo(3,2-G) (1)benzopyran-7-one, 7H-Furo(3,2-g)(1)benzopyran-7-one, 4,9-dimethoxy-, 4,9-dimethoxyfuro(3,2-g)chromen-7-one, 4,9-dimethoxy-7H-furo(3,2-g)chromen-7-one, 5,9-dimethoxy-2H-furo(3,2-g)chromen-2-one, 5,9-dimethoxy-2H-furo[3,2-g]chromen-2-one

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H317May cause an allergic skin reaction

Precautionary statements: P261, P264, P270, P272, P280, P301 + P316, P302 + P352, P321, P330, P333 + P317, P362 + P364, P405, 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 Isopimpinellin?

The CAS Registry Number of Isopimpinellin is 482-27-9. It is also known as 5,8-Dimethoxypsoralen, 5,8-Dimethoxypsoralene, 4,9-Dimethoxy-7H-furo[3,2-g]chromen-7-one.

What is the molecular formula and molecular weight of Isopimpinellin?

Isopimpinellin has the molecular formula C13H10O5 and a molecular weight of 246.21 g/mol. Its IUPAC name is 4,9-dimethoxyfuro[3,2-g]chromen-7-one.

What is Isopimpinellin used for?

Isopimpinellin 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 Isopimpinellin can I order?

We supply Isopimpinellin 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 Isopimpinellin?

Yes. Every lot of Isopimpinellin 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 Isopimpinellin be shipped internationally?

Yes. Isopimpinellin 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.