(R)-2-Hydroxy-2-(p-tolyl)acetic acid CAS 31284-89-6
| CAS No. | 31284-89-6 |
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (R)-2-Hydroxy-2-(p-tolyl)acetic acid (CAS 31284-89-6), a certified reference material (molecular formula C9H10O3, MW 166.17 g/mol) for analytical method development and quality control.
Structurally, (R)-2-Hydroxy-2-(p-tolyl)acetic acid (C9H10O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 166.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (R)-2-Hydroxy-2-(p-tolyl)acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related R Standards
- 2-(3-Hydroxy-4-methylphenyl)acetic acid (CAS 103262-83-5)
- 2-Hydroxy-5-(2-hydroxyethyl)benzaldehyde (CAS 110005-81-7)
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Recommended Standards
- (R)-2-Hydroxy-2-(o-tolyl)acetic acid (CAS 51359-72-9)
- (R)-2-Hydroxy-2-phenylpropionic Acid (CAS 3966-30-1)
- (R)-2-(4-Hydroxyphenyl)propanoic Acid (CAS 59092-88-5)
- (r)-3-Hydroxy-3-phenylpropanoic acid (CAS 2768-42-5)
- 2-Iodo-N-(tert-butoxycarbonyl)indole (CAS 99275-46-4)
- 4-Fluoro-1,4'-bipiperidine (CAS 864291-95-2)
- (S)-3-amino-3-(3-chloro-5-methoxyphenyl)propanoic acid hydrochloride (CAS 2061996-84-5)
- Ethyl 2-bromo-4-methoxynicotinate (CAS 87853-68-7)
- 2-Bromo-4-nitrobenzene-1-sulfonyl chloride (CAS 1099660-60-2)
- n-(2-Methoxyethyl)-2-nitroaniline (CAS 56436-24-9)
- Apremilast impurity 17 (CAS CATO-C4X-100917)
- 1-tert-butyl 2-methyl (2R,4R)-4-(hydroxymethyl)pyrrolidine-1,2-dicarboxylate (CAS 1638744-99-6)
- (2-Chloro-4-(cyclohexyl(methyl)carbamoyl)phenyl)boronic acid (CAS 2096330-36-6)
- Eledoisin Related Peptide (CAS 2990-43-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com