2-Chloro-4-methyl-benzothiazole CAS 3622-32-0
| CAS No. | 3622-32-0 |
| Molecular Formula | C8H6ClNS |
| Molecular Weight | 183.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Chloro-4-methyl-benzothiazole 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.
2-Chloro-4-methyl-benzothiazole (CAS 3622-32-0), molecular formula C8H6ClNS and molecular weight 183.66 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H6ClNS, 2-Chloro-4-methyl-benzothiazole 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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-(Chloromethyl)benzothiazole (CAS 37859-43-1)
- 2-Chloro-4-methylphenyl isothiocyanate (CAS 57878-93-0)
- 1-Chloromethanesulfonylpyrrolidine (CAS 98069-37-5)
- 2-Chloro-5-methylbenzo[d]thiazole (CAS 3622-31-9)
- Venlafaxine N-Oxide (CAS 1094598-37-4)
- 5α-ANDROSTAN-3β-OL-17β-CARBOXYLIC ACID (CAS 15173-54-3)
- 5-(3-Fluoro-4-methylphenyl)-5-oxopentanoic acid (CAS 898765-93-0)
- Simvastatin Acyl-β-D-glucuronide (CAS 463962-56-3)
- 4-Nitro-6-(trifluoromethyl)pyridin-3-ol (CAS 1643140-19-5)
- (1-(Thiophen-2-yl)ethyl)hydrazine (CAS 1016752-26-3)
- 2-Bromo-1-(thiazol-5-yl)ethanone (CAS 201470-17-9)
- (2-(Dimethylamino)pyridin-4-yl)methanol (CAS 193002-33-4)
- 8-Chloro-2,2-dimethyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1514263-64-9)
- Tau Peptide (298-312) trifluoroacetate salt (CAS 330456-47-8)
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