5-Chloro-2-hydroxybenzophenone CAS 85-19-8
| CAS No. | 85-19-8 |
| Molecular Formula | C13H9ClO2 |
| Molecular Weight | 232.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Chloro-2-hydroxybenzophenone is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-Chloro-2-hydroxybenzophenone (CAS 85-19-8), a certified reference material (molecular formula C13H9ClO2, MW 232.66 g/mol) for analytical method development and quality control.
The molecular framework of 5-Chloro-2-hydroxybenzophenone (C13H9ClO2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Chloro-2-hydroxybenzophenone 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 | C13H9ClO2 |
| Molecular Weight | 232.66 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, 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; 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.) | 1957 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 5-Chloro-3-phenylbenzoic acid (CAS 1082283-43-9)
- 7-chloro-4-oxo-chromene-2-carboxylic acid (CAS 114741-22-9)
- 3'-Chloro-4'-hydroxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 1176562-05-2)
- 5'-Chloro-2'-hydroxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 1181269-88-4)
- 5-Chloro-4-hydroxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 1248288-65-4)
- 3'-Chloro-5'-hydroxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 1261960-78-4)
- 3'-Chloro-2'-hydroxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 1263376-25-5)
- 2'-Chloro-[1,1'-biphenyl]-2-carboxylicacid (CAS 14498-95-4)
Recommended Standards
- Fenofibrate Impurity 7 (CAS 61002-52-6)
- Fenofibrate Impurity N1 (CAS 55270-71-8)
- Fenofibrate Impurity 5 (CAS 62810-39-3)
- 4'-Chloro-[1,1'-biphenyl]-4-carboxylic acid (CAS 5748-41-4)
- (E)-4-Bromo-3-(1,2-dibromododec-1-en-1-yl)cinnoline (CAS 1204213-40-0)
- (R)-3-((tert-butoxycarbonyl)amino)-2-(3-methoxybenzyl)propanoic acid (CAS 1260596-57-3)
- Methyl 3-(3,4-difluorophenyl)propiolate (CAS 1341988-80-4)
- 1-((1H-Pyrrol-2-yl)methyl)piperidine-2,4-dione (CAS 1935195-33-7)
- Ethyl 5-Bromopyrimidine-2-carboxylate (CAS 1197193-30-8)
- Diethyl 2,2-difluoro-4-methylenepentanedioate (CAS 1307857-46-0)
- 3-[(4-Bromo-2-isopropylphenoxy)methyl]piperidinehydrochloride (CAS 1220021-03-3)
- 3-(2-Methoxy-5-methylphenyl)butan-1-amine (CAS 1017383-38-8)
- 5,6-Dimethyl-2-(pyridin-2-yl)-1H-benzo[d]imidazole (CAS 70151-42-7)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
Why CATO?
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