5,7-Dihydroxy-4-methylphthalide

Name: 5,7-Dihydroxy-4-methylphthalide
Brand: Zemixal
SKU: ZX-025733

Reference StandardAvailable on request

5,7-Dihydroxy-4-methylphthalide (CAS 27979-57-3) supplier Zemixal: C9H8O4, COA and SDS with every lot, worldwide shipping.

Pack sizes

5,7-Dihydroxy-4-methylphthalide chemical structure

CAS number27979-57-3

FormulaC₉H₈O₄

Molar mass180.16 g/mol

Physical formSolid

HS code38229090

InChIKeyGXYQICKPCCBIIX-UHFFFAOYSA-N

IUPAC name5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one

About 5,7-Dihydroxy-4-methylphthalide

Analytical teams working on Mycophenolate Mofetil use 5,7-Dihydroxy-4-methylphthalide as a qualified comparison standard. Key data (Reference Standard): CAS 27979-57-3, formula C9H8O4 and molar mass 180.16 g/mol. It is handled as a solid.

Typical applications

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

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See every impurity, metabolite and related compound we list for this API.

Mycophenolate Mofetil standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 5,7-Dihydroxy-4-methylphthalide
Product name	5,7-Dihydroxy-4-methylphthalide
Catalogue number	ZX-025733
CAS number	27979-57-3
IUPAC name	5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one
Molecular formula	C₉H₈O₄
Molar mass	180.16 g/mol
Exact mass	180.0423
Grade	Reference Standard
Physical form	Solid
XLogP3	1.6
H-bond donors / acceptors	2 / 4
Topological polar surface area	66.8 Å²
HS code	38229090
InChIKey	GXYQICKPCCBIIX-UHFFFAOYSA-N
SMILES	CC1=C2COC(=O)C2=C(C=C1O)O
PubChem CID	14503052
Synonyms	5,7-Dihydroxy-4-methylisobenzofuran-1(3H)-one, 5,7-Dihydroxy-4-methyl-1(3H)-isobenzofuranone, 4-Methyl-5,7-dihydroxyisobenzofuran-1(3H)-one, 1(3H)-Isobenzofuranone, 5,7-dihydroxy-4-methyl-, Phthalide, 5,7-dihydroxy-4-methyl-, 5,7-Dihydroxy-4-methyl-2-benzofuran-1(3H)-one, 5,7-dihydroxy-4-methyl-1,3-dihydro-2-benzofuran-1-one, 3,5-dihydroxy-6-methylphthalide, 5,7-dihydroxy-4-methyl-3H-isobenzofuran-1-one, 4-Methyl-5,7-dihydroxy-1,3-dihydroisobenzofuran-1-one, EX-A1306

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 5,7-Dihydroxy-4-methylphthalide
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 5,7-Dihydroxy-4-methylphthalide

Which CAS number identifies 5,7-Dihydroxy-4-methylphthalide?

5,7-Dihydroxy-4-methylphthalide is registered under CAS 27979-57-3. You may also see it listed as 5,7-Dihydroxy-4-methylisobenzofuran-1(3H)-one, 5,7-Dihydroxy-4-methyl-1(3H)-isobenzofuranone, 4-Methyl-5,7-dihydroxyisobenzofuran-1(3H)-one. Our catalogue number for this item is ZX-025733.

What are the formula and molar mass of 5,7-Dihydroxy-4-methylphthalide?

For 5,7-Dihydroxy-4-methylphthalide, its formula is C9H8O4 and its molar mass is 180.16 g/mol. The systematic (IUPAC) name is 5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one. InChIKey GXYQICKPCCBIIX-UHFFFAOYSA-N lets you match it in any structure database.

How is 5,7-Dihydroxy-4-methylphthalide used in pharmaceutical QC?

5,7-Dihydroxy-4-methylphthalide is a characterised reference material linked to Mycophenolate Mofetil. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 5,7-Dihydroxy-4-methylphthalide?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 5,7-Dihydroxy-4-methylphthalide?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 5,7-Dihydroxy-4-methylphthalide to my country?

Yes. 5,7-Dihydroxy-4-methylphthalide ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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