5-(2-Chloroethyl)-2,3-dihydrobenzofuran CAS 943034-50-2
| CAS No. | 943034-50-2 |
| Molecular Formula | C10H11ClO |
| Molecular Weight | 182.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 5-(2-Chloroethyl)-2,3-dihydrobenzofuran is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 182.65 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-(2-Chloroethyl)-2,3-dihydrobenzofuran (CAS 943034-50-2) is a high-purity analytical reference standard with the molecular formula C10H11ClO and a molecular weight of 182.65 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(2-Chloroethyl)-2,3-dihydrobenzofuran 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 | C10H11ClO |
| Molecular Weight | 182.65 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
Related Chloroethyl Standards
- 1-(4-(2-Chloroethyl)phenyl)ethan-1-one (CAS 69614-95-5)
- 4-(2-Chloroethyl)-2,3-dihydrobenzofuran (CAS 565197-96-8)
- 1-(1-Chloroethyl)-4-isopropylbenzene (CAS 13372-43-5)
- 1-(2-Chloroethyl)-4-isopropylbenzene (CAS 91244-27-8)
- 2-(1-Chloroethyl)-1,3,5-trimethylbenzene (CAS 51270-90-7)
- 2-(2-Chloroethyl)-1,3,5-trimethylbenzene (CAS 25692-16-4)
- 4-(2-Chloroethyl)benzamide (CAS 181115-67-3)
- N-(2-Chloroethyl)benzamide (CAS 26385-07-9)
Recommended Standards
- 5-(1-Azetidinylmethyl)-2-chloro-pyridine (CAS 230617-65-9)
- 5-Chloro-2,2-dimethyl-2,3-dihydrobenzofuran (CAS 78027-51-7)
- 4'-Iodo-2-(2-methoxyphenyl)acetophenone (CAS 486397-33-5)
- 6-(Chloromethyl)isochromane (CAS 2002694-28-0)
- Methyl 4-hydroxy-2-(trifluoromethyl)nicotinate (CAS 237760-08-6)
- 6-Methoxybenzo[b]thiophen-3(2H)-one (CAS 5858-22-0)
- 1-Iodo-2,3-dimethyl-4-nitrobenzene (CAS 79424-74-1)
- (S)-1-Amino-2,3-dihydro-1H-inden-4-ol (CAS 1201364-15-9)
- CAS 2797598-85-5 (CAS 2797598-85-5)
- 5-Chloro-3-ethyl-1H-indole (CAS 259865-75-3)
- (3-Butoxy-4,5-difluorophenyl)methanol (CAS 1443329-81-4)
- 2-(3-Methoxy-4-nitro-1h-pyrazol-1-yl)propanoic acid (CAS 512809-67-5)
- 2-(4-Amino-6-phenyl-1,3,5-triazin-2-yl)hydrazinecarboxamide (CAS 61452-88-8)
- Semaglutide (CAS 910463-68-2（free base）)
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