(S)-4-Hydroxymandelic acid

Name: (S)-4-Hydroxymandelic acid
Brand: Vaqora Chemicals
SKU: VQ-035817

About (S)-4-Hydroxymandelic acid

Listed under CAS 13244-75-2, (S)-4-Hydroxymandelic acid is a metabolite or degradation product of Atenolol available from Vaqora Chemicals. Formula C8H8O4, molecular weight 168.15 g/mol. Systematically, it is named (2S)-2-hydroxy-2-(4-hydroxyphenyl)acetic acid. It is also known as (2S)-hydroxy(4-hydroxyphenyl)ethanoic acid or L-p-Hydroxymandelic 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.

Analytical teams use this compound to identify metabolites and degradants of Atenolol, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across 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 Atenolol

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

Atenolol impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-4-Hydroxymandelic acid
Catalogue No.	VQ-035817
CAS Number	13244-75-2
IUPAC name	(2S)-2-hydroxy-2-(4-hydroxyphenyl)acetic acid
Molecular formula	C₈H₈O₄
Molecular weight	168.15 g/mol
Exact mass	168.0423
Grade	Reference Standard
HSN code	38229090
InChIKey	YHXHKYRQLYQUIH-ZETCQYMHSA-N
SMILES	C1=CC(=CC=C1[C@@H](C(=O)O)O)O
PubChem CID	439940

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
H-bond donors / acceptors	3 / 4
TPSA	77.8 Å²
Synonyms	(2S)-hydroxy(4-hydroxyphenyl)ethanoic acid, L-p-Hydroxymandelic acid, (S)-2-Hydroxy-2-(4-hydroxyphenyl)acetic acid, 4-hydroxy-L-mandelic acid, (+)-p-Hydroxymandelic acid, 4-Hydroxymandelic acid, L-, (+)-4-Hydroxymandelic acid, 4-Hydroxymandelic acid, (S)-, Mandelic acid, p-hydroxy-, L-, (2S)-hydroxy(4-hydroxyphenyl)acetic acid, (alphaS)-alpha,4-Dihydroxybenzeneacetic acid

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 (S)-4-Hydroxymandelic acid?

The CAS Registry Number of (S)-4-Hydroxymandelic acid is 13244-75-2. It is also known as (2S)-hydroxy(4-hydroxyphenyl)ethanoic acid, L-p-Hydroxymandelic acid, (S)-2-Hydroxy-2-(4-hydroxyphenyl)acetic acid.

What is the molecular formula and molecular weight of (S)-4-Hydroxymandelic acid?

(S)-4-Hydroxymandelic acid has the molecular formula C8H8O4 and a molecular weight of 168.15 g/mol. Its IUPAC name is (2S)-2-hydroxy-2-(4-hydroxyphenyl)acetic acid.

What is (S)-4-Hydroxymandelic acid used for?

(S)-4-Hydroxymandelic acid is supplied as a characterised reference material related to Atenolol. 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 (S)-4-Hydroxymandelic acid can I order?

We supply (S)-4-Hydroxymandelic 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 (S)-4-Hydroxymandelic acid?

Yes. Every lot of (S)-4-Hydroxymandelic 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 (S)-4-Hydroxymandelic acid be shipped internationally?

Yes. We export (S)-4-Hydroxymandelic acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.