Hematein

Name: Hematein
Brand: Vaqora Chemicals
SKU: VQ-040613

About Hematein

Listed under CAS 475-25-2, Hematein is an impurity of Methionine available from Vaqora Chemicals. The compound has the formula C16H12O6, corresponding to a molecular weight of 300.26 g/mol. The IUPAC name is 4,6a,9,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-3-one. Alternative names: Haematein and Hematine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Methionine 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.

Vaqora Chemicals supplies Hematein in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Methionine

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

Methionine impurities

Specifications & identifiers

Chemical identifiers
Product name	Hematein
Catalogue No.	VQ-040613
CAS Number	475-25-2
IUPAC name	4,6a,9,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-3-one
Molecular formula	C₁₆H₁₂O₆
Molecular weight	300.26 g/mol
Exact mass	300.0634
Grade	Reference Standard
HSN code	38229090
InChIKey	HNNSUZPWERIYIL-UHFFFAOYSA-N
SMILES	C1C2=CC(=C(C=C2C3=C4C=CC(=O)C(=C4OCC31O)O)O)O
PubChem CID	135403802

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	4 / 6
TPSA	107 Å²
Synonyms	Haematein, Hematine, 3,4,6a,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-9-one, Hydroxybrasilein, Hematein, for microscopy (Hist.), 3,4,6a,10-tetrahydroxy-6a,7-dihydroindeno[2,1-c]chromen-9(6H)-one, Benz[b]indeno[1,2-d]pyran-9(6H)-one, 6a,7-dihydro-3,4,6a,10-tetrahydroxy-, 6a,7-Dihydro-3,4,6a,10-tetrahydroxybenz(b)indeno(1,2-d)pyran-9(6H)-one, Benz(b)indeno(1,2-d)pyran-9(6H)-one, 6a,7-dihydro-3,4,6a,10-tetrahydroxy-, 3,4,10,6a-tetrahydroxy-7,6a-dihydroindeno[2,1-c]chroman-9-one, 3,4,6a,10-tetrahydroxy-6a,7-dihydrobenzo[b]indeno[1,2-d]pyran-9(6H)-one, Haematine

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 Hematein?

The CAS Registry Number of Hematein is 475-25-2. It is also known as Haematein, Hematine, 3,4,6a,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-9-one.

What is the molecular formula and molecular weight of Hematein?

Hematein has the molecular formula C16H12O6 and a molecular weight of 300.26 g/mol. Its IUPAC name is 4,6a,9,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-3-one.

What is Hematein used for?

Hematein is supplied as a characterised reference material related to Methionine. 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 Hematein can I order?

We supply Hematein 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 Hematein?

Yes. Every lot of Hematein 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 Hematein be shipped internationally?

Yes. We export Hematein worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.