2,3-Dihydrobenzo[b][1,4]dioxine-5-sulfonyl chloride CAS 87474-15-5
| CAS No. | 87474-15-5 |
| Molecular Formula | C8H7ClO4S |
| Molecular Weight | 234.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 234.66 g/mol gives 2,3-Dihydrobenzo[b][1,4]dioxine-5-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3-Dihydrobenzo[b][1,4]dioxine-5-sulfonyl chloride (CAS 87474-15-5), molecular formula C8H7ClO4S and molecular weight 234.66 g/mol, is a CATO reference standard with documented purity and traceability.
2,3-Dihydrobenzo[b][1,4]dioxine-5-sulfonyl chloride (C8H7ClO4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 2,3-Dihydrobenzo[b][1,4]dioxine-5-sulfonyl chloride 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 | C8H7ClO4S |
| Molecular Weight | 234.66 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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.) | 1981 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dihydrobenzo Standards
- 2,3-Dihydrobenzo[b][1,4]dioxine-2-sulfonyl chloride (CAS 499770-80-8)
- (1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)pyrrolidin-3-yl)methanamine (CAS 1017474-92-8)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)cyclobutane-1-carboxylic acid (CAS 1094450-20-0)
- 4-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-4h-1,2,4-triazole-3-thiol (CAS 959575-58-7)
- 5-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)-1,2-dihydro-3H-1,2,4-triazole-3-thione (CAS 311794-49-7)
- n-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)butyramide (CAS 1011171-46-2)
- 2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-N-isopropylacetamide (CAS 1060945-51-8)
- n-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)methyl)butyramide (CAS 1090424-96-6)
Recommended Standards
- 2-[(4-Chlorophenyl)sulfonyl]acetic Acid (CAS 3405-89-8)
- 2-(Chlorosulfonyl)-4-methylbenzoic acid (CAS 80998-71-6)
- 2-Chloro-2-oxo-1-phenylethanesulfonic acid (CAS 40125-73-3)
- 2-(2-Chlorobenzenesulfonyl)acetic acid (CAS 82224-89-3)
- (5-(Trifluoromethyl)-1H-pyrazol-4-yl)methanol (CAS 1266112-11-1)
- tert-Butyl N-[(2-chlorophenyl)methylamino]carbamate (CAS 135941-95-6)
- 1-Ethyl-2-(ethylthio)-6-methoxyquinolin-1-ium iodide (CAS 63816-13-7)
- 3-Fluoropyrazine-2-carboxamide (CAS 1623099-47-7)
- tert-Butyl 5-hydroxy-2,9-diazaspiro[5.5]undecane-9-carboxylate (CAS 1367935-91-8)
- 3-{[(2-chloro-6-fluorophenyl)methyl]sulfanyl}-1H-1,2,4-triazol-5-amine (CAS 261928-98-7)
- Hydroxy-α-sanshool (CAS 83883-10-7)
- [(3Z)-1-[(4-Chlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate (CAS 303149-79-3)
- Melitracen Impurity 4 (CAS 926-63-6)
- (Cys2)-Neuropeptide Y-8-aminooctanoyl-(D-Cys27)-Neuropeptide Y (25-32) (H-3298.0500) (CAS 128806-04-2)
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