5,6-Dichloro-2(3H)-benzoxazolethione CAS 71865-29-7
| CAS No. | 71865-29-7 |
| Molecular Formula | C7H3Cl2NOS |
| Molecular Weight | 220.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5,6-Dichloro-2(3H)-benzoxazolethione is closely related to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5,6-Dichloro-2(3H)-benzoxazolethione (CAS 71865-29-7) is a high-purity analytical reference standard with the molecular formula C7H3Cl2NOS and a molecular weight of 220.08 g/mol.
Structurally, 5,6-Dichloro-2(3H)-benzoxazolethione (C7H3Cl2NOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 220.08 g/mol, it falls into the medium-molecular-weight range. 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).
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 5,6-Dichloro-2(3H)-benzoxazolethione 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 | C7H3Cl2NOS |
| Molecular Weight | 220.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4,7-Dichlorobenzo[d]thiazol-2(3H)-one (CAS 87553-89-7)
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- 4,6-Dichlorobenzo[d]oxazole-2-thiol (CAS 218930-35-9)
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- 1,3-Diacetylbenzene (CAS 6781-42-6)
- 3-Phenyl-2-(2-(piperidin-1-yl)ethoxy)-4H-pyrazino[1,2-a]pyrimidin-4-one hydrobromide (CAS 21271-25-0)
- 2,4-Diamino-5-fluorotoluene (CAS 141922-20-5)
- Gastrin Tetrapeptide (CAS 1947-37-1)
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