5-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one CAS 1228678-18-9
| CAS No. | 1228678-18-9 |
| Molecular Formula | C9H7ClO2 |
| Molecular Weight | 182.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one.
CATO supplies 5-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1228678-18-9), a certified reference material (molecular formula C9H7ClO2, MW 182.60 g/mol) for analytical method development and quality control.
Structurally, 5-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).
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.
CATO manufactures 5-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1990 |
| 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)
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