5-(Chloromethyl)benzo[b]thiophene CAS 20532-35-8
| CAS No. | 20532-35-8 |
| Molecular Formula | C9H7ClS |
| Molecular Weight | 182.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 182.67 g/mol gives 5-(Chloromethyl)benzo[b]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-(Chloromethyl)benzo[b]thiophene (CAS 20532-35-8), a certified reference material (molecular formula C9H7ClS, MW 182.67 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7ClS, 5-(Chloromethyl)benzo[b]thiophene contains sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 182.67 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).
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), 5-(Chloromethyl)benzo[b]thiophene 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 | C9H7ClS |
| Molecular Weight | 182.67 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.) | 1962 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloromethyl Standards
- 7-(Chloromethyl)benzo[b]thiophene (CAS 1388025-38-4)
- 4-(Chloromethyl)benzo[b]thiophene (CAS 143798-72-5)
- 3-(Chloromethyl)-1lambda6-thiane-1,1-dione (CAS 1481109-28-7)
- 2-(Chloromethyl)benzothiophene (CAS 2076-88-2)
- 5-(chloromethyl)-3,4-dihydro-1H-2-benzopyran (CAS 1032590-02-5)
- 3-(Chloromethyl)chromane (CAS 115822-64-5)
- 1-(3-(Chloromethyl)-5-methylphenyl)ethan-1-one (CAS 1393566-17-0)
- 1-(Chloromethyl)-3-cyclopropoxybenzene (CAS 921602-61-1)
Recommended Standards
- 4-Chloro-3-methylbenzo[b]thiophene (CAS 20895-96-9)
- Cyclopentylmethanesulfonylchloride (CAS 242459-85-4)
- 3-Chloro-7-methylbenzo[b]thiophene (CAS 87924-82-1)
- Methyl 2-((3-chloropropyl)thio)acetate (CAS 62519-33-9)
- tert-Butyl (2-(3-bromobenzyl)-3-hydroxypropyl)(methyl)carbamate (CAS 1416440-18-0)
- 436855-68-4 3-[5-Oxo-1-(prop-2-en-1-yl)-2-sulfanylideneimidazolidin-4-yl]propanoic acid DTXSID90389775 (CAS 436855-68-4)
- 5-Chloro-4-isopropyl-1H-imidazole-2-carboxylic acid (CAS 1171125-32-8)
- Ethyl 5-amino-4-bromo-1-methyl-1H-pyrazole-3-carboxylate (CAS 1174305-82-8)
- 2-(Phenylthio)-N-(thiazol-5-ylmethyl)ethan-1-amine (CAS 1342375-20-5)
- Methyl 2-(3-{[(tert-butoxy)carbonyl]amino}pyrrolidin-1-yl)-5-nitropyridine-3-carboxylate (CAS 1242268-00-3)
- N-Hydroxy-1-isopropylpiperidine-4-carboximidamide (CAS 713147-52-5)
- 3-(1H-1,2,3-triazol-1-yl)propanoic acid (CAS 4332-45-0)
- 6-Bromo-4-iodoquinazoline (CAS 1093819-23-8)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
Why CATO?
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