7-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one CAS 90273-28-2
| CAS No. | 90273-28-2 |
| Molecular Formula | C9H7ClO2 |
| Molecular Weight | 182.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 7-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one (C9H7ClO2) 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 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 182.60 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
7-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 90273-28-2) is a high-purity analytical reference standard with the molecular formula C9H7ClO2 and a molecular weight of 182.60 g/mol.
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), 7-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-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.
Physical & Chemical Properties
| Molecular Formula | C9H7ClO2 |
| Molecular Weight | 182.60 g/mol |
| Appearance | Off-white to pale 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 5-Chloro-3,4-dihydro-2h-1-benzopyran-3-one (CAS 1154740-80-3)
- 5-Chloro-7-methylisobenzofuran-1(3H)-one (CAS 118343-26-3)
- 7-Chloro-5-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1199782-69-8)
- 5-Chloro-2,3-dihydrochromen-4-one (CAS 1199782-82-5)
- 4-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1199782-98-3)
- 5-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1228678-18-9)
- 6-Chloro-5-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1260012-31-4)
- 2-Chloro-4-ethenylbenzoic acid (CAS 1266121-77-0)
Recommended Standards
- 7-Chloro-5-methylbenzofuran-3(2H)-one (CAS 3261-10-7)
- 7-Chlorochroman-3-one (CAS 944899-60-9)
- 7-Chloro-5-methoxybenzofuran (CAS 90533-29-2)
- 7-Chloroisochroman-1-one (CAS 66122-72-3)
- Methyl (3R,4R)-3-(4-chlorophenyl)piperidine-4-carboxylate (CAS 2459946-47-3)
- (2Z)-4-(dimethylamino)but-2-enoic acid (CAS 1092365-58-6)
- 3-Ethyl-3,9-dihydro-1-propyl-8-[1-[[3-(trifluoromethyl)phenyl]methyl]-1H-pyrazol-4-yl]-1H-purine-2,6-dione (CAS 752222-83-6)
- Ono-ae 1-329 (CAS 253350-43-5)
- Methyl 4-(5-aminopyridin-3-yl)benzoate (CAS 1011479-08-5)
- (R)-SIPHOS (CAS 443965-14-8)
- 3-Chloro-4-cyclopropoxy-5-(methylthio)pyridine (CAS 1243353-27-6)
- (6-Bromo-2-fluoro-3-(trifluoromethyl)phenyl)methanol (CAS 1352718-85-4)
- Dolutegravir Impurity 53 (CAS CATO-C4X-162053)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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