2,5-Dichlorobenzenesulfonic acid dihydrate CAS 38484-94-5
| CAS No. | 38484-94-5 |
| Molecular Formula | C6H4Cl2O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,5-Dichlorobenzenesulfonic acid dihydrate (CAS 38484-94-5), molecular formula C6H4Cl2O3SH2O and molecular weight 245.07 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H4Cl2O3SH2O, 2,5-Dichlorobenzenesulfonic acid dihydrate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 245.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 2,5-Dichlorobenzenesulfonic acid dihydrate 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 | C6H4Cl2O3S 2*H2O |
| Molecular Weight | 245.07 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, water |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dichlorobenzenesulfonic Standards
Recommended Standards
- 1-Azabicyclo[2.2.1]heptan-3-yl N-methylcarbamate hydrochloride (CAS 1955520-44-1)
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- 2-Chloro-6-(1-methylhydrazineyl)pyridine (CAS 34506-56-4)
- N-Ethyl-5,6,7,8-tetrahydronaphthalen-1-amine (CAS 140914-06-3)
- 3-bromo-1-(1-methyl-1H-pyrazol-3-yl)pyrrolidin-2-one (CAS 1315367-41-9)
- (3AR,6aS)-5-(pyridin-2-ylmethyl)octahydrocyclopenta[c]pyrrol-5-ol (CAS 2567683-11-6)
- 2-Allyl-1-benzyl-2-methylaziridine (CAS 831201-02-6)
- Ethyl 8-(3,5-bis(trifluoromethyl)phenyl)-8-oxooctanoate (CAS 898793-03-8)
- 4-Cyano-2-fluorobenzaldehyde (CAS 105942-10-7)
- Neuropeptide W-23 (rat) (CAS 383415-89-2)
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