Alternariol-9-Methyl Ether

Name: Alternariol-9-Methyl Ether
Brand: Vaqora Chemicals
SKU: VQ-045180

About Alternariol-9-Methyl Ether

Alternariol-9-Methyl Ether (CAS 23452-05-3) is an impurity of Alternariol offered by Vaqora Chemicals. Its molecular formula is C15H12O5 and its molecular weight is 272.25 g/mol. The IUPAC name is 3,7-dihydroxy-9-methoxy-1-methylbenzo[c]chromen-6-one. Common synonyms include Alternariol monomethyl ether and Djalonensone.

It is supplied 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 4 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Alternariol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Alternariol-9-Methyl Ether in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Alternariol

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

Alternariol impurities

Specifications & identifiers

Chemical identifiers
Product name	Alternariol-9-Methyl Ether
Catalogue No.	VQ-045180
CAS Number	23452-05-3
IUPAC name	3,7-dihydroxy-9-methoxy-1-methylbenzo[c]chromen-6-one
Molecular formula	C₁₅H₁₂O₅
Molecular weight	272.25 g/mol
Exact mass	272.0685
Grade	Reference Standard
HSN code	38229090
InChIKey	LCSDQFNUYFTXMT-UHFFFAOYSA-N
SMILES	CC1=CC(=CC2=C1C3=C(C(=CC(=C3)OC)O)C(=O)O2)O
PubChem CID	5360741

Physical properties
Physical form	Solid
LogP (XLogP3)	3.2
H-bond donors / acceptors	2 / 5
TPSA	76 Å²
Synonyms	Alternariol monomethyl ether, Djalonensone, Alternariol monomethylether, Alternariol methyl ether, 3,7-Dihydroxy-9-methoxy-1-methyl-6H-benzo[c]chromen-6-one, 3,7-Dihydroxy-9-methoxy-1-methyl-6H-dibenzo(b,d)pyran-6-one, 3,7-Dihydroxy-9-methoxy-1-methyl-6H-dibenzo[b,d]pyran-6-one, 6H-DIBENZO(b,d)PYRAN-6-ONE, 3,7-DIHYDROXY-9-METHOXY-1-METHYL-, 6H-Dibenzo[b,d]pyran-6-one, 3,7-dihydroxy-9-methoxy-1-methyl-, 2-Biphenylcarboxylic acid, 2',3',4'-trihydroxy-5-methoxy-6'-methyl-, delta-lactone, 3,7-Dihydroxy-9-methoxy-1-methyl-6H-benzo(c)chromen-6-one

Safety & hazard information (GHS)

Toxic

Health hazard

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H310Fatal in contact with skin
H330Fatal if inhaled
H360May damage fertility or the unborn child

Precautionary statements: P203, P260, P262, P264, P270, P271, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P318, P320, P321, P330, P361 + P364, P403 + P233, 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 Alternariol-9-Methyl Ether?

The CAS Registry Number of Alternariol-9-Methyl Ether is 23452-05-3. It is also known as Alternariol monomethyl ether, Djalonensone, Alternariol monomethylether.

What is the molecular formula and molecular weight of Alternariol-9-Methyl Ether?

Alternariol-9-Methyl Ether has the molecular formula C15H12O5 and a molecular weight of 272.25 g/mol. Its IUPAC name is 3,7-dihydroxy-9-methoxy-1-methylbenzo[c]chromen-6-one.

What is Alternariol-9-Methyl Ether used for?

Alternariol-9-Methyl Ether is supplied as a characterised reference material related to Alternariol. 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 Alternariol-9-Methyl Ether can I order?

We supply Alternariol-9-Methyl Ether 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 Alternariol-9-Methyl Ether?

Yes. Every lot of Alternariol-9-Methyl Ether 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 Alternariol-9-Methyl Ether be shipped internationally?

Yes. Alternariol-9-Methyl Ether 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.