4-Hydroxymellein

Name: 4-Hydroxymellein
Brand: Vaqora Chemicals
SKU: VQ-040915

About 4-Hydroxymellein

Listed under CAS 33788-22-6, 4-Hydroxymellein is a metabolite / degradant standard available from Vaqora Chemicals. Its molecular formula is C10H10O4 and its molecular weight is 194.18 g/mol. The IUPAC name is 4,8-dihydroxy-3-methyl-3,4-dihydroisochromen-1-one. It is also known as 3-Methyl-4,8-dihydroxy-3,4-dihydroisocoumarin or 4,8-dihydroxy-3-methyl-isochroman-1-one.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

It is used in metabolite identification, stability-indicating method development and impurity profiling, as well as in QC testing and ANDA/DMF documentation. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4-Hydroxymellein is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Hydroxymellein
Catalogue No.	VQ-040915
CAS Number	33788-22-6
IUPAC name	4,8-dihydroxy-3-methyl-3,4-dihydroisochromen-1-one
Molecular formula	C₁₀H₁₀O₄
Molecular weight	194.18 g/mol
Exact mass	194.0579
Grade	Reference Standard
HSN code	38229090
InChIKey	STSOHAOGZMLWFR-UHFFFAOYSA-N
SMILES	CC1C(C2=C(C(=CC=C2)O)C(=O)O1)O
PubChem CID	169539

Physical properties
Physical form	Solid
LogP (XLogP3)	1.3
H-bond donors / acceptors	2 / 4
TPSA	66.8 Å²
Synonyms	3-Methyl-4,8-dihydroxy-3,4-dihydroisocoumarin, 4,8-dihydroxy-3-methyl-3,4-dihydro-1H-2-benzopyran-1-one, 4,8-dihydroxy-3-methyl-isochroman-1-one, (-)-trans-3,4-Dihydro-4,8-dihydroxy-3-methyl-1H-2-benzopyran-1-one, Isocoumarin, 3,4-dihydro-4,8-dihydroxy-3-methyl-, 1H-2-Benzopyran-1-one, 3,4-dihydro-4,8-dihydroxy-3-methyl-

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 4-Hydroxymellein?

The CAS Registry Number of 4-Hydroxymellein is 33788-22-6. It is also known as 3-Methyl-4,8-dihydroxy-3,4-dihydroisocoumarin, 4,8-dihydroxy-3-methyl-3,4-dihydro-1H-2-benzopyran-1-one, 4,8-dihydroxy-3-methyl-isochroman-1-one.

What is the molecular formula and molecular weight of 4-Hydroxymellein?

4-Hydroxymellein has the molecular formula C10H10O4 and a molecular weight of 194.18 g/mol. Its IUPAC name is 4,8-dihydroxy-3-methyl-3,4-dihydroisochromen-1-one.

Which grade and pack sizes of 4-Hydroxymellein can I order?

We supply 4-Hydroxymellein 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 4-Hydroxymellein?

Yes. Every lot of 4-Hydroxymellein 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 4-Hydroxymellein be shipped internationally?

Yes. We export 4-Hydroxymellein worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.