4-Methylphthalic Acid

Name: 4-Methylphthalic Acid
Brand: Zemixal
SKU: ZX-022413

Reference StandardAvailable on request

4-Methylphthalic Acid (CAS 4316-23-8) supplier Zemixal. Request a quote with price, lead time and documents. Ships from India to 120+ countries.

Pack sizes

4-Methylphthalic Acid chemical structure

CAS number4316-23-8

FormulaC₉H₈O₄

Molar mass180.16 g/mol

Physical formSolid

HS code38229090

InChIKeyCWJJAFQCTXFSTA-UHFFFAOYSA-N

IUPAC name4-methylphthalic acid

About 4-Methylphthalic Acid

Zemixal lists 4-Methylphthalic Acid for laboratories that identify, quantify or control Alogliptin and its related substances. Key data (Reference Standard): CAS 4316-23-8, formula C9H8O4 and molar mass 180.16 g/mol. It is handled as a solid.

Use cases we see most often

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

Safe handling

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

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

Reference standards for Alogliptin

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

Alogliptin 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 4-Methylphthalic Acid
Product name	4-Methylphthalic Acid
Catalogue number	ZX-022413
CAS number	4316-23-8
IUPAC name	4-methylphthalic acid
Molecular formula	C₉H₈O₄
Molar mass	180.16 g/mol
Exact mass	180.0423
Grade	Reference Standard
Physical form	Solid
XLogP3	2.3
H-bond donors / acceptors	2 / 4
Topological polar surface area	74.6 Å²
HS code	38229090
InChIKey	CWJJAFQCTXFSTA-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1)C(=O)O)C(=O)O
PubChem CID	20310
Synonyms	Phthalic acid, 4-methyl-, 1,2-Benzenedicarboxylic acid, 4-methyl-, 4-Methyl-o-phthalate, 4-Methyl-1,2-benzenedicarboxylic acid, 4-methylbenzene-1,2-dicarboxylic acid

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

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 4-Methylphthalic Acid
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 4-Methylphthalic Acid

Which CAS number identifies 4-Methylphthalic Acid?

4-Methylphthalic Acid is registered under CAS 4316-23-8. You may also see it listed as Phthalic acid, 4-methyl-, 1,2-Benzenedicarboxylic acid, 4-methyl-, 4-Methyl-o-phthalate. Our catalogue number for this item is ZX-022413.

What are the formula and molar mass of 4-Methylphthalic Acid?

For 4-Methylphthalic Acid, its formula is C9H8O4 and its molar mass is 180.16 g/mol. The systematic (IUPAC) name is 4-methylphthalic acid. InChIKey CWJJAFQCTXFSTA-UHFFFAOYSA-N lets you match it in any structure database.

How is 4-Methylphthalic Acid used in pharmaceutical QC?

4-Methylphthalic Acid is a characterised reference material linked to Alogliptin. 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 4-Methylphthalic Acid?

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 4-Methylphthalic Acid?

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 4-Methylphthalic Acid to my country?

Yes. Because 4-Methylphthalic Acid is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Alogliptin standards

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