4-(4-Methylphenyl)-4-oxobutyric Acid

Name: 4-(4-Methylphenyl)-4-oxobutyric Acid
Brand: Vaqora Chemicals
SKU: VQ-034763

About 4-(4-Methylphenyl)-4-oxobutyric Acid

4-(4-Methylphenyl)-4-oxobutyric Acid (CAS 4619-20-9) is an impurity of Zolpidem offered by Vaqora Chemicals. Its molecular formula is C11H12O3 and its molecular weight is 192.21 g/mol. The IUPAC name is 4-(4-methylphenyl)-4-oxobutanoic acid. Common synonyms include 4-Oxo-4-(p-tolyl)butanoic acid and Propionic acid, 3-p-toluoyl-.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Zolpidem impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-(4-Methylphenyl)-4-oxobutyric Acid 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 Zolpidem

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

Zolpidem impurities

Specifications & identifiers

Chemical identifiers
Product name	4-(4-Methylphenyl)-4-oxobutyric Acid
Catalogue No.	VQ-034763
CAS Number	4619-20-9
IUPAC name	4-(4-methylphenyl)-4-oxobutanoic acid
Molecular formula	C₁₁H₁₂O₃
Molecular weight	192.21 g/mol
Exact mass	192.0786
Grade	Reference Standard
HSN code	38229090
InChIKey	OEEUWZITKKSXAZ-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)C(=O)CCC(=O)O
PubChem CID	244162

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	1 / 3
TPSA	54.4 Å²
Synonyms	4-Oxo-4-(p-tolyl)butanoic acid, Propionic acid, 3-p-toluoyl-, 3-p-Toluoylpropionic acid, beta-(4-Methylbenzoyl)propionic acid, 4-methyl-gamma-oxobenzenebutanoic acid, 3-(4-Methylbenzoyl)propionic acid, Benzenebutanoic acid, 4-methyl-gamma-oxo-, 4-Oxo-4-(p-tolyl)butyric Acid, 4-Oxo-4-(para-tolyl)-butyric acid, 4-oxo-4-p-tolylbutanoic acid, 4-Oxo-4-(4-tolyl)butyric acid, 3-(p-Toluoyl)propionic acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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-(4-Methylphenyl)-4-oxobutyric Acid?

The CAS Registry Number of 4-(4-Methylphenyl)-4-oxobutyric Acid is 4619-20-9. It is also known as 4-Oxo-4-(p-tolyl)butanoic acid, Propionic acid, 3-p-toluoyl-, 3-p-Toluoylpropionic acid.

What is the molecular formula and molecular weight of 4-(4-Methylphenyl)-4-oxobutyric Acid?

4-(4-Methylphenyl)-4-oxobutyric Acid has the molecular formula C11H12O3 and a molecular weight of 192.21 g/mol. Its IUPAC name is 4-(4-methylphenyl)-4-oxobutanoic acid.

What is 4-(4-Methylphenyl)-4-oxobutyric Acid used for?

4-(4-Methylphenyl)-4-oxobutyric Acid is supplied as a characterised reference material related to Zolpidem. 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 4-(4-Methylphenyl)-4-oxobutyric Acid can I order?

We supply 4-(4-Methylphenyl)-4-oxobutyric Acid 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-(4-Methylphenyl)-4-oxobutyric Acid?

Yes. Every lot of 4-(4-Methylphenyl)-4-oxobutyric Acid 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-(4-Methylphenyl)-4-oxobutyric Acid be shipped internationally?

Yes. 4-(4-Methylphenyl)-4-oxobutyric Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.