4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid 75492-21-6

About 4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid

4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid is a metabolite or degradation product of Fexofenadine carrying the CAS registry number 75492-21-6. Its molecular formula is C11H14O3 and its molecular weight is 194.23 g/mol. Common synonyms include p-(1,1-Dimethyl-2-hydroxyethyl)benzoic acid and 4-(2-hydroxy-1,1-dimethyl-ethyl)benzoic acid.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Fexofenadine, as well as in QC testing and ANDA/DMF documentation. Buyers come mainly from 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

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Fexofenadine

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

Fexofenadine impurities

Specifications & identifiers

Chemical identifiers
Product name	4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid
Catalogue No.	VQ-048370
CAS Number	75492-21-6
IUPAC name	4-(1-hydroxy-2-methylpropan-2-yl)benzoic acid
Molecular formula	C₁₁H₁₄O₃
Molecular weight	194.23 g/mol
Exact mass	194.0943
Grade	Reference Standard
HSN code	38229090
InChIKey	KADBZOKJZAQHFT-UHFFFAOYSA-N
SMILES	CC(C)(CO)C1=CC=C(C=C1)C(=O)O
PubChem CID	20496286

Physical properties
Physical form	Solid
LogP (XLogP3)	2.6
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²

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-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid?

The CAS Registry Number of 4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid is 75492-21-6. It is also known as p-(1,1-Dimethyl-2-hydroxyethyl)benzoic acid, 4-(2-hydroxy-1,1-dimethyl-ethyl)benzoic acid, 4-(2-hydroxy-1,1-dimethyl-ethyl)-benzoic acid.

What is the molecular formula and molecular weight of 4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid?

4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid has the molecular formula C11H14O3 and a molecular weight of 194.23 g/mol. Its IUPAC name is 4-(1-hydroxy-2-methylpropan-2-yl)benzoic acid.

What is 4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid used for?

4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid is supplied as a characterised reference material related to Fexofenadine. 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-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid can I order?

We supply 4-(1-Hydroxy-2-methylpropan-2-yl)benzoic 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-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid?

Yes. Every lot of 4-(1-Hydroxy-2-methylpropan-2-yl)benzoic 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-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid be shipped internationally?

Yes. We export 4-(1-Hydroxy-2-methylpropan-2-yl)benzoic Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.