4-Chloro-2,3-dihydro-1H-indene-1-carboxylic acid CAS 66041-25-6
| CAS No. | 66041-25-6 |
| Molecular Formula | C10H9ClO2 |
| Molecular Weight | 196.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H9ClO2, 4-Chloro-2,3-dihydro-1H-indene-1-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 196.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Chloro-2,3-dihydro-1H-indene-1-carboxylic acid (CAS 66041-25-6) is a high-purity analytical reference standard with the molecular formula C10H9ClO2 and a molecular weight of 196.63 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), 4-Chloro-2,3-dihydro-1H-indene-1-carboxylic acid 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 | C10H9ClO2 |
| Molecular Weight | 196.63 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- (E)-3-(2-Chloro-4-methylphenyl)acrylic acid (CAS 1021949-53-0)
- 6-Chloro-7-methylchroman-4-one (CAS 102541-24-2)
- 5-Chloro-4-methoxy-2,3-dihydro-1H-inden-1-one (CAS 1033811-70-9)
- 5-Chloro-6-hydroxy-3,4-dihydronaphthalen-1(2H)-one (CAS 1035796-32-7)
- (5-chloro-6-methyl-1,3-benzoxazol-2-yl)methylamine hydrochloride (CAS 1035840-75-5)
- 4-Chloro-6-methoxy-2,3-dihydro-1H-inden-1-one (CAS 1092347-56-2)
- 5-Chloro-8-methylchroman-4-one (CAS 1092349-11-5)
- 8-Chloro-6-methyl-3,4-dihydro-2H-1-benzopyran-4-one (CAS 1092349-58-0)
Recommended Standards
- 4-(Allyloxy)benzoyl chloride (CAS 36844-51-6)
- 4-Chloro-2-ethyl-2,3-dihydro-1H-pyrrolo[3,4-c]pyridin-1-one (CAS 2172931-40-5)
- 4-(Allyloxy)-3-chlorobenzaldehyde (CAS 58236-91-2)
- 4-Chloro-2-methyl-7,8-dihydroquinazolin-6(5H)-one (CAS 944902-33-4)
- 2-chloro-1-[1-(4-isopropylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]ethanone (CAS 749920-14-7)
- N-((3-methylthiophen-2-yl)methyl)-3-morpholinopropan-1-amine (CAS 289488-34-2)
- 4-Chloro-6-methoxypteridine (CAS 1192150-19-8)
- Riluzole Impurity 1 (CAS 88149-49-9)
- 5-Methyl-2-(4-methylpiperazin-1-yl)aniline (CAS 946731-22-2)
- (R)-3-Amino-6-phenylhex-5-enoic acid hydrochloride (CAS 332064-71-8)
- 4-Oxo etodolac (CAS 111478-86-5)
- 3-(m-Tolyl)isobenzofuran-1(3H)-one (CAS 90445-45-7)
- 1-(4-Iodo-1-methyl-1H-pyrazol-3-yl)ethanone (CAS 1354704-20-3)
- ((Cys31,Nva34)-Neuropeptide Y (27-36))2 (CAS 172997-92-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com