6-Chloro-2,3-dihydro-1,4-benzodioxin CAS 57744-68-0
| CAS No. | 57744-68-0 |
| Molecular Formula | C8H7ClO2 |
| Molecular Weight | 170.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-Chloro-2,3-dihydro-1,4-benzodioxin (CAS 57744-68-0), a certified reference material (molecular formula C8H7ClO2, MW 170.59 g/mol) for analytical method development and quality control.
Structurally, 6-Chloro-2,3-dihydro-1,4-benzodioxin (C8H7ClO2) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 170.59 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-Chloro-2,3-dihydro-1,4-benzodioxin 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 | C8H7ClO2 |
| Molecular Weight | 170.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 3-Chloro-4-hydroxy-5-methylbenzaldehyde (CAS 107356-10-5)
- 6-chloro-2,3-dihydro-1-benzofuran-3-ol (CAS 1154740-97-2)
- 4-chloro-2-(difluoromethyl)pyrimidine (CAS 1261453-07-9)
- 2-Chloro-5-(hydroxymethyl)benzaldehyde (CAS 1288998-81-1)
- 3-Chloro-5-(hydroxymethyl)benzaldehyde (CAS 1289062-81-2)
- 2-Chloro-3-(hydroxymethyl)benzaldehyde (CAS 1289263-62-2)
- 6-Chloro-2-hydroxy-3-methylbenzaldehyde (CAS 1310800-53-3)
- 4-Chloro-3-methoxybenzaldehyde (CAS 13726-16-4)
Recommended Standards
- 5-Chloro-2-methylbenzoic Acid (CAS 7499-06-1)
- 7-Chloro-2,3-dihydrobenzofuran-5-ol (CAS 359844-57-8)
- 5-Chloro-2-methoxybenzaldehyde (CAS 7035-09-8)
- Chloromethyl Benzoate (CAS 5335-05-7)
- 2-(4-(Tert-pentyl)cyclohexyl)propanoic acid (CAS 1512012-57-5)
- Ethyl 5-(3-methyl-2-thienyl)-5-oxovalerate (CAS 951889-13-7)
- 4-(3-Methoxy-3-methyl-butoxy)-phenylamine (CAS 883545-65-1)
- 2-(O-tolyl)thiazole-5-carboxylic acid (CAS 921102-29-6)
- 3-(2-methylpropyl)piperidine-2,6-dione (CAS 1341348-16-0)
- 5-MeO-AI hydrochloride (CAS 81593-54-6)
- 1-(4-Fluorophenyl)-7,7-dimethyl-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid (CAS 1134334-88-5)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (2-amino-4-propylpyrimidin-5-yl)boronate (CAS 2223048-22-2)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-enoic acid (CAS 865352-21-2)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com