5-Chloro-2-hydroxy-4-methylbenzophenone CAS 68751-90-6
| CAS No. | 68751-90-6 |
| Molecular Formula | C14H11ClO2 |
| Molecular Weight | 246.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Chloro-2-hydroxy-4-methylbenzophenone 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.
5-Chloro-2-hydroxy-4-methylbenzophenone (CAS 68751-90-6) is a high-purity analytical reference standard with the molecular formula C14H11ClO2 and a molecular weight of 246.69 g/mol.
Structurally, 5-Chloro-2-hydroxy-4-methylbenzophenone (C14H11ClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic 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 246.69 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H11ClO2 |
| Molecular Weight | 246.69 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 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.) | 1976 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 5-(2-Chlorobenzyl)-2-hydroxybenzaldehyde (CAS 328565-20-4)
- 6-Chloro-4-(2-methylphenyl)-3-pyridinecarboxamide (CAS 342417-00-9)
- 4-CHloro-benzoic acid benzyl ester (CAS 67483-73-2)
- 6-chloro-8-methyl-4-oxo-chromene-2-carboxylic acid (CAS 2530127-62-7)
- (S)-Atenolol-d7 (CAS 1309283-20-2)
- tert-Butyl (trans-4-((cyclohexylmethyl)amino)cyclohexyl)carbamate (CAS 1286263-90-8)
- 2-Methyl-6-nitro-1H-benzo[d]imidazole (CAS 1792-40-1)
- N-Ethyl-2-(2-((4-methylbenzyl)thio)thiazol-4-yl)acetamide (CAS 953987-68-3)
- (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid hydrochloride (CAS 6159-33-7)
- 2-((4-Methylbenzyl)sulfonyl)-4,5-diphenyl-1-propyl-1H-imidazole (CAS 338957-10-1)
- 3-Methoxy-4-(methylsulfonyl)benzaldehyde (CAS 1415609-52-7)
- Galanthamine (CAS 357-70-0)
- 3-[(5-Methyl-furan-2-carbonyl)-amino]-benzoic acid (CAS 312289-59-1)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
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