5-Chloro-2-hydroxyphenyl benzoate CAS 5876-98-2
| CAS No. | 5876-98-2 |
| Molecular Formula | C13H9ClO3 |
| Molecular Weight | 248.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Chloro-2-hydroxyphenyl benzoate (C13H9ClO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 248.66 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 5-Chloro-2-hydroxyphenyl benzoate (CAS 5876-98-2), a certified reference material (molecular formula C13H9ClO3, MW 248.66 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 5-Chloro-2-hydroxyphenyl benzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H9ClO3 |
| Molecular Weight | 248.66 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-Chloro-4-(2-hydroxyphenyl)benzoic acid (CAS 1261938-18-4)
- 3'-Chloro-4'-hydroxy-[1,1'-biphenyl]-4-carboxylic acid (CAS 96460-02-5)
- 3-Chloro-4-Phenoxybenzoic acid (CAS 74917-55-8)
- 4-Chloro-5-(difluoromethyl)-6-(pyrrolidin-1-yl)pyrimidin-2-amine (CAS 2091004-66-7)
- 5-Chloro-2-phenoxybenzoic acid (CAS 69199-63-9)
- 4-Chloro-6,8-dimethoxyquinoline-3-carbonitrile (CAS 1017049-01-2)
- 2-Chloro-N-(2-hydroxyphenyl)nicotinamide (CAS 10189-45-4)
- 4-(6-Chloro-pyrazin-2-yl)-3-methyl-benzoic acid (CAS 1020718-71-1)
Recommended Standards
- 4-(2-Chlorophenoxy)benzoicacid (CAS 613656-16-9)
- 4-(4-Chlorophenoxy)benzoic acid (CAS 21120-67-2)
- Choline Fenofibrate Impurity 13 (CAS 134612-84-3)
- Eltrombopag Impurity 61 (CAS 376592-57-3)
- 1-((3-Formylphenoxy)methyl)cyclobutane-1-carbonitrile (CAS 1387563-23-6)
- rel-(3R,4S,5R)-Tetrahydro-2H-pyran-2,3,4,5-tetraol (CAS 10257-31-5)
- 2-(4-Chloro-2-fluorophenyl)oxazolo[4,5-b]pyridine (CAS 52333-65-0)
- Cyclohexyl(p-tolyl)methanamine (CAS 854708-88-6)
- 1-[(1-ethyl-3-methyl-1h-pyrazol-4-yl)sulfonyl]piperidine-3-carboxylic acid (CAS 1005611-34-6)
- 3a-(Trifluoromethyl)-3,3a-dihydrobenzo[d]pyrrolo[2,1-b]thiazol-1(2H)-one (CAS 1191890-53-5)
- 2-Amino-1,5-dimethylbenzimidazole (CAS 39860-12-3)
- 1-(dodecylsulfanyl)carboximidoyl-4-methylpiperidine hydrobromide (CAS 1240529-57-0)
- 6-Hydroxy-1-phenylhexane-1,3-dione (CAS 23894-54-4)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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