4-Chloro-2-(methylthio)benzo[d]oxazole CAS 67932-30-3
| CAS No. | 67932-30-3 |
| Molecular Formula | C8H6ClNOS |
| Molecular Weight | 199.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Chloro-2-(methylthio)benzo[d]oxazole is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-Chloro-2-(methylthio)benzo[d]oxazole (CAS 67932-30-3), a certified reference material (molecular formula C8H6ClNOS, MW 199.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H6ClNOS, 4-Chloro-2-(methylthio)benzo[d]oxazole contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 199.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 4-Chloro-2-(methylthio)benzo[d]oxazole 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 | C8H6ClNOS |
| Molecular Weight | 199.66 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.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 8-Chloro-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 100638-21-9)
- 6-Chloro-2-Methylthieno[3,2-d]pyrimidin-4-amine (CAS 1017789-18-2)
- 3-Chloro-4-methoxy-1,2-benzisothiazole (CAS 103486-06-2)
- 3-Chloro-6-methoxy-1,2-benzothiazole (CAS 103486-07-3)
- 6-Chloro-2-(methylthio)benzo[d]oxazole (CAS 1071296-64-4)
- 4-chloro-2-(methylsulfanyl)pyrrolo[2,1-f][1,2,4]triazine (CAS 1120214-78-9)
- 4-Chloro-2-methyl-6-(methylthio)pyrimidine-5-carbonitrile (CAS 112969-42-3)
- 2-Chloro-7-methoxybenzo[d]thiazole (CAS 1175277-80-1)
Recommended Standards
- 4-Chloro-2-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine, 97% (CAS 57564-94-0)
- 4-Chloro-2-methoxybenzo[d]thiazole (CAS 73443-77-3)
- 4-Chloro-2-(ethylthio)pyrimidine-5-carbonitrile (CAS 317830-03-8)
- 4-Chloro-3-methylbenzo[d]thiazol-2(3H)-one (CAS 63755-05-5)
- (2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-(benzylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 74590-46-8)
- 2-(Pyridin-2-yl)imidazo[1,2-a]pyridin-3-amine (CAS 1216060-90-0)
- 1-amino-1,2,3,4-tetrahydro-1-naphthalenecarboxylic Acid hydrate (CAS 1559064-07-1)
- 3-Cyanomethylazetidine tifluoroacetate (CAS 2206135-57-9)
- tert-Butyl (4-bromothiazol-2-yl)(phenyl)carbamate (CAS 1178886-73-1)
- 3-Bromo-4-((2-fluorobenzyl)oxy)benzaldehyde (CAS 428497-60-3)
- 2-Chloro-1-(3-(methylthio)phenyl)ethan-1-one (CAS 1352209-44-9)
- 8-Bromo-1,3-dimethyl-7-phenethyl-3,7-dihydro-1H-purine-2,6-dione (CAS 228247-60-7)
- Ethyl 2-Amino-4-methyl-5-(4-nitrophenyl)thiophene-3-carboxylate (CAS 174072-89-0)
- C-Peptide (Proinsulin) (CAS 59112-80-0)
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