2-(2-Chlorobenzylidene)-6-hydroxybenzofuran-3(2h)-one CAS 623122-66-7
| CAS No. | 623122-66-7 |
| Molecular Formula | C15H9ClO3 |
| Molecular Weight | 272.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(2-Chlorobenzylidene)-6-hydroxybenzofuran-3(2h)-one 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.
2-(2-Chlorobenzylidene)-6-hydroxybenzofuran-3(2h)-one (CAS 623122-66-7) is a high-purity analytical reference standard with the molecular formula C15H9ClO3 and a molecular weight of 272.68 g/mol.
Structurally, 2-(2-Chlorobenzylidene)-6-hydroxybenzofuran-3(2h)-one (C15H9ClO3) 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 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 272.68 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C15H9ClO3 |
| Molecular Weight | 272.68 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
Related Chlorobenzylidene Standards
- 1234351-74-6 (2Z)-2-(2-Chlorobenzylidene)-6-hydroxy-1-benzofuran-3(2H)-one MFCD04065083 (CAS 1234351-74-6)
- 1234351-77-9 (2Z)-2-(3-Chlorobenzylidene)-6-hydroxy-1-benzofuran-3(2H)-one MFCD04187695 (CAS 1234351-77-9)
- (2Z)-2-(4-Chlorobenzylidene)-6-hydroxy-1-benzofuran-3(2H)-one (CAS 139276-14-5)
- 2-(3-Chlorobenzylidene)-6-hydroxybenzofuran-3(2h)-one (CAS 620545-89-3)
- 3-(4-Chlorobenzylidene)-5-fluoro-1,3-dihydro-2H-indol-2-one (CAS 1993572-15-8)
- (E)-2-(4-chlorobenzylidene)-N-phenylhydrazine-1-carboxamide (CAS 93535-29-6)
- (E)-2-(4-Chlorobenzylidene)-5-methylbenzofuran-3(2H)-one (CAS 61976-56-5)
- (E)-3-(4-Chlorobenzylidene)chroman-4-one (CAS 62174-08-7)
Recommended Standards
- 2-(2-Chloro-6-ethoxy-4-formylphenoxy)propanoic acid (CAS 590395-60-1)
- tert-Butyl (2-chloro-6-nitrophenyl)carbamate (CAS 180989-52-0)
- 3-(2-Chlorophenyl)-7-hydroxy-4H-chromen-4-one (CAS 328020-06-0)
- (4-Chlorophenyl)(5-hydroxy-1-benzofuran-3-yl)methanone (CAS 17249-67-1)
- Ethyl undec-10-ynoate (CAS 94030-75-8)
- 1-Isopropyl-piperazine hydrochloride (CAS 137186-14-2)
- N-Boc-N-methyl-4-vinylaniline (CAS 937183-61-4)
- 2-(2,3-Dihydro-1,4-benzodioxin-6-yl)benzoic acid (CAS 893736-65-7)
- 3-(morpholin-4-ylmethyl)oxan-4-one hydrochloride (CAS 201145-61-1)
- Methyl 3-formyl-1-(4-methoxybenzyl)-1H-indole-6-carboxylate (CAS 950763-33-4)
- N-(2-Bromo-4-methylphenyl)-2-((4-ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 575470-38-1)
- 2-Chloroethyl Isothiocyanate (CAS 6099-88-3)
- 2,5-Dichloro-3-(1,3-dioxolan-2-yl)benzophenone (CAS 898759-55-2)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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