5-Chloro-2-(2-(2-hydroxyethoxy)ethyl)-2H-benzo[f]isoindole-4,9-dione CAS 89479-38-9
| CAS No. | 89479-38-9 |
| Molecular Formula | C16H14ClNO4 |
| Molecular Weight | 319.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 5-Chloro-2-(2-(2-hydroxyethoxy)ethyl)-2H-benzo[f]isoindole-4,9-dione (CAS 89479-38-9), a certified reference material (molecular formula C16H14ClNO4, MW 319.74 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 5-Chloro-2-(2-(2-hydroxyethoxy)ethyl)-2H-benzo[f]isoindole-4,9-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 319.74 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 5-Chloro-2-(2-(2-hydroxyethoxy)ethyl)-2H-benzo[f]isoindole-4,9-dione 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 | C16H14ClNO4 |
| Molecular Weight | 319.74 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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- 3-[(3,4-Dimethoxyphenyl)methyl]-4-phenyl-4,5-dihydro-1H-1,2,4-triazole-5-thione (CAS 331269-06-8)
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- thieno[2,3-c]pyridine-7-carboxylic acid hydrochloride (CAS 2044714-45-4)
- 1-Thia-6-azaspiro[3.5]Nonane 1,1-dioxide (CAS 1936207-13-4)
- 2-Chloro-5,6,7,8-tetrahydropyrido[2,3-d]pyrimidine (CAS 1260672-47-6)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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