Hymecromone EP Impurity B

Name: Hymecromone EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-006430

About Hymecromone EP Impurity B

Listed under CAS 6320-42-9, Hymecromone EP Impurity B is a pharmacopeial impurity standard available from Vaqora Chemicals. The compound has the formula C10H8O3, corresponding to a molecular weight of 176.17 g/mol. Systematically, it is named 7-hydroxy-2-methylchromen-4-one. It is also known as 7-Hydroxy-2-methyl-4H-1-benzopyran-4-one or 7-Hydroxy-2-methylchromone.

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 4 hazard statements. Review the Safety Data Sheet before use.

This the parent drug substance impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Hymecromone EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. This item is currently in stock for prompt dispatch.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Hymecromone EP Impurity B
Catalogue No.	VQ-006430
CAS Number	6320-42-9
IUPAC name	7-hydroxy-2-methylchromen-4-one
Molecular formula	C₁₀H₈O₃
Molecular weight	176.17 g/mol
Exact mass	176.0473
Grade	Reference Standard
HSN code	38229090
InChIKey	QIPBSGDZHKDNNJ-UHFFFAOYSA-N
SMILES	CC1=CC(=O)C2=C(O1)C=C(C=C2)O
PubChem CID	5355309

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Synonyms	7-Hydroxy-2-methyl-4H-1-benzopyran-4-one, 7-Hydroxy-2-methylchromone, 7-Hydroxy-2-methyl-4H-chromen-4-one, 7-hydroxy-2-methyl-chromen-4-one, Hymecromone Imp. B (EP), Hymecromone impurity B, 4H-1-Benzopyran-4-one, 7-hydroxy-2-methyl-, Hymecromone impurity B CRS, 7-Hydroxy-2-methyl-4H-1-benzopyran-, 7-hydroxy-2-methyl-1-benzopyran-4-one, 7-Hydroxy-2-methyl-4H-chromen-4-one #, 7-hydroxy-2-methyl-4H-1-benzopyrane-4-on

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + 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 Hymecromone EP Impurity B?

The CAS Registry Number of Hymecromone EP Impurity B is 6320-42-9. It is also known as 7-Hydroxy-2-methyl-4H-1-benzopyran-4-one, 7-Hydroxy-2-methylchromone, 7-Hydroxy-2-methyl-4H-chromen-4-one.

What is the molecular formula and molecular weight of Hymecromone EP Impurity B?

Hymecromone EP Impurity B has the molecular formula C10H8O3 and a molecular weight of 176.17 g/mol. Its IUPAC name is 7-hydroxy-2-methylchromen-4-one.

Which grade and pack sizes of Hymecromone EP Impurity B can I order?

We supply Hymecromone EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hymecromone EP Impurity B?

Yes. Every lot of Hymecromone EP Impurity B 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 Hymecromone EP Impurity B be shipped internationally?

Yes. Hymecromone EP Impurity B 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.