2-Chloro-5-methylbenzo[d]thiazole CAS 3622-31-9
| CAS No. | 3622-31-9 |
| Molecular Formula | C8H6ClNS |
| Molecular Weight | 183.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-5-methylbenzo[d]thiazole (CAS 3622-31-9) is a high-purity analytical reference standard with the molecular formula C8H6ClNS and a molecular weight of 183.66 g/mol.
Based on its molecular formula C8H6ClNS, 2-Chloro-5-methylbenzo[d]thiazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 183.66 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.
As a certified reference material (CRM), 2-Chloro-5-methylbenzo[d]thiazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H6ClNS |
| Molecular Weight | 183.66 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 |
| 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.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-4-(methylsulfanyl)benzonitrile (CAS 1002557-03-0)
- 5-Chloro-2-methylbenzothiazole (CAS 1006-99-1)
- 7-Chloro-5-methylthieno[3,2-b]pyridine (CAS 1211582-14-7)
- 4-Chloro-3-methylthieno[3,2-c]pyridine (CAS 1315362-03-8)
- 1-Chloro-n-cyclopropyl-n-methylmethanesulfonamide (CAS 1343803-65-5)
- 5-Chloro-3-methylthieno[3,2-b]pyridine (CAS 1356016-33-5)
- 4-Chloro-6-methyl-thieno[2,3-b]pyridine (CAS 1824285-22-4)
- 2-Chloro-6-methylphenyl isothiocyanate (CAS 19241-34-0)
Recommended Standards
- 2-Chloro-4-methylphenyl isothiocyanate (CAS 57878-93-0)
- 2-Chloro-5-methylphenylisothiocyanate (CAS 52747-70-3)
- 2-Chloro-4-methyl-benzothiazole (CAS 3622-32-0)
- 2-chloro-6-(methylsulfanyl)benzonitrile (CAS 51271-34-2)
- Tert-butyl 4-(aminomethyl)-4-(4-fluorobenzyl)piperidine-1-carboxylate (CAS 894769-76-7)
- 1-Methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline (CAS 136226-78-3)
- 2-{[4-(4-chlorophenyl)-5-(pyridin-4-yl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide (CAS 893727-15-6)
- 2-(Diethylamino)naphtho[2,3-b]furan-4,9-dione (CAS 210117-63-8)
- (2-Isobutoxy-5-(trifluoromethyl)phenyl)boronic acid (CAS 1256345-99-9)
- N-(4-(7-Methylimidazo[1,2-a]pyrimidin-2-yl)phenyl)acetamide (CAS 923165-08-6)
- (1-Butyl-1H-imidazol-2-yl)methanamine (CAS 886498-10-8)
- tert-Butyl (3R)-3-(2-cyanoacetyl)piperidine-1-carboxylate (CAS 1427927-15-8)
- Ethanethioic acid, S-[[1-[[(1,1-dimethylethoxy)carbonyl]amino]cyclopropyl]methyl] ester (CAS 849149-53-7)
- Experimental Allergic Encephalitogenic Peptide (CAS 29705-92-8)
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