2-(4-chlorophenyl)-3-hydroxypropanoic acid CAS 16864-90-7
| CAS No. | 16864-90-7 |
| Molecular Formula | C9H9ClO3 |
| Molecular Weight | 200.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 200.62 g/mol gives 2-(4-chlorophenyl)-3-hydroxypropanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(4-chlorophenyl)-3-hydroxypropanoic acid (CAS 16864-90-7) is a high-purity analytical reference standard with the molecular formula C9H9ClO3 and a molecular weight of 200.62 g/mol.
Based on its molecular formula C9H9ClO3, 2-(4-chlorophenyl)-3-hydroxypropanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 200.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H9ClO3 |
| Molecular Weight | 200.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
Related chlorophenyl Standards
- (S)-2-(2-Chlorophenyl)-2-hydroxypropionic Acid (CAS 1215178-12-3)
- (R)-2-(2-Chlorophenyl)-2-hydroxypropionic Acid (CAS 1215178-13-4)
- 3-(2-Chlorophenyl)-3-hydroxypropanoic acid (CAS 121669-89-4)
- (S)-2-(4-Chlorophenyl)-2-hydroxypropanoic acid (CAS 1227210-79-8)
- Methyl 2-(3-chlorophenyl)-2-hydroxyacetate (CAS 13305-18-5)
- Methyl 2-(4-chlorophenyl)-2-hydroxyacetate (CAS 13305-19-6)
- 3-(2-Chlorophenyl)-2-hydroxypropionic Acid (CAS 133373-31-6)
- 3-(3-Chlorophenyl)-2-hydroxypropionic Acid (CAS 139546-79-5)
Recommended Standards
- Ethyl 2-(4-chloropyrimidin-2-yl)acetate (CAS 164296-43-9)
- Ethyl 2-amino-5-chloronicotinate (CAS 169495-51-6)
- Ethyl 3-chloro-4-hydroxybenzoate (CAS 16357-41-8)
- (6-Chloro-2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methanol (CAS 170353-57-8)
- 2-(2-Methyl-1,3-dioxolan-2-yl)-1-phenylethan-1-one (CAS 87920-07-8)
- (2E)-3-(3,5-Dimethyl-1H-pyrazol-4-yl)acrylic acid (CAS 884048-51-5)
- 1-Methyl-4-nitro-5-(phenylsulfonyl)-1H-imidazole (CAS 80348-54-5)
- Ethyl 3-oxo-2-azaspiro[4.5]decane-8-carboxylate (CAS 1073559-59-7)
- 5-(Pyrrolidin-1-yl)-2,3-dihydro-1H-inden-1-one (CAS 954241-21-5)
- Tert-butyl 7-hydroxy-3-azabicyclo[3.3.1]Nonane-3-carboxylate (CAS 1781882-07-2)
- Gadolinium(III) acetate hydrate (CAS 100587-93-7)
- 1-(2-Cyanophenyl)-N-cyclohexylmethanesulfonamide (CAS 1036555-19-7)
- 1-(2-Bromoethyl)piperazine dihydrobromide (CAS 89727-93-5)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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