5,7-Dihydroxy-4-methylphthalide

Name: 5,7-Dihydroxy-4-methylphthalide
Brand: Vaqora Chemicals
SKU: VQ-026806

About 5,7-Dihydroxy-4-methylphthalide

Vaqora Chemicals supplies 5,7-Dihydroxy-4-methylphthalide, an impurity of Mycophenolate Mofetil registered under CAS number 27979-57-3. Formula C9H8O4, molecular weight 180.16 g/mol. Its systematic (IUPAC) name is 5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one. Alternative names: 5,7-Dihydroxy-4-methylisobenzofuran-1(3H)-one and 5,7-Dihydroxy-4-methyl-1(3H)-isobenzofuranone.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Mycophenolate Mofetil impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Mycophenolate Mofetil

View every impurity, metabolite and intermediate we list for Mycophenolate Mofetil.

Mycophenolate Mofetil impurities

Specifications & identifiers

Chemical identifiers
Product name	5,7-Dihydroxy-4-methylphthalide
Catalogue No.	VQ-026806
CAS Number	27979-57-3
IUPAC name	5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one
Molecular formula	C₉H₈O₄
Molecular weight	180.16 g/mol
Exact mass	180.0423
Grade	Reference Standard
HSN code	38229090
InChIKey	GXYQICKPCCBIIX-UHFFFAOYSA-N
SMILES	CC1=C2COC(=O)C2=C(C=C1O)O
PubChem CID	14503052

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	2 / 4
TPSA	66.8 Å²
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

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 5,7-Dihydroxy-4-methylphthalide?

The CAS Registry Number of 5,7-Dihydroxy-4-methylphthalide is 27979-57-3. It is also known 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.

What is the molecular formula and molecular weight of 5,7-Dihydroxy-4-methylphthalide?

5,7-Dihydroxy-4-methylphthalide has the molecular formula C9H8O4 and a molecular weight of 180.16 g/mol. Its IUPAC name is 5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one.

What is 5,7-Dihydroxy-4-methylphthalide used for?

5,7-Dihydroxy-4-methylphthalide is supplied as a characterised reference material related to Mycophenolate Mofetil. 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 5,7-Dihydroxy-4-methylphthalide can I order?

We supply 5,7-Dihydroxy-4-methylphthalide 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 5,7-Dihydroxy-4-methylphthalide?

Yes. Every lot of 5,7-Dihydroxy-4-methylphthalide 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 5,7-Dihydroxy-4-methylphthalide be shipped internationally?

Yes. We export 5,7-Dihydroxy-4-methylphthalide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.