7-(Chloromethyl)-2-methylbenzo[b]thiophene CAS 1234845-02-3
| CAS No. | 1234845-02-3 |
| Molecular Formula | C10H9ClS |
| Molecular Weight | 196.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 7-(Chloromethyl)-2-methylbenzo[b]thiophene (C10H9ClS) contains sulfur-containing functionality, 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 196.70 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
7-(Chloromethyl)-2-methylbenzo[b]thiophene (CAS 1234845-02-3), molecular formula C10H9ClS and molecular weight 196.70 g/mol, is a CATO reference standard with documented purity and traceability.
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), 7-(Chloromethyl)-2-methylbenzo[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 | C10H9ClS |
| Molecular Weight | 196.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloromethyl Standards
- 3 Chloromethyl-2-methylbenzo[b] thiophene (CAS 16957-90-7)
- 2-(Chloromethyl)-3-methylbenzo[b]thiophene (CAS 58863-51-7)
- 1-(Chloromethyl)-4-(tert-pentyl)benzene (CAS 28162-11-0)
- 7-(Chloromethyl)-2,2-dimethyl-2,3-dihydrobenzofuran (CAS 115070-62-7)
- 5-(Chloromethyl)-2,2-dimethyl-2,3-dihydro-1-benzofuran (CAS 57899-16-8)
- 2-(Chloromethyl)-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1201687-89-9)
- 6-(Chloromethyl)-1,4-dimethyl-1h-pyrazolo[3,4-d]pyrimidine (CAS 1375474-82-0)
- (E)-3-(4-(Chloromethyl)phenyl)acrylic acid (CAS 1057672-81-7)
Recommended Standards
- [4-chloro-2-(methylsulfanyl)pyrimidin-5-yl]methanol (CAS 1044145-59-6)
- Cyclohexylmethanesulfonyl Chloride (CAS 4352-30-1)
- 2-(2-Chloroethyl)benzo[b]thiophene (CAS 7136-60-9)
- 4-Cyclopropylbutane-1-sulfonyl chloride (CAS 2137625-89-7)
- 1-(1-Ethyl-3-methyl-1h-pyrazol-4-yl)-2,2,2-trifluoroethan-1-one (CAS 1174844-13-3)
- 6-Fluoro-4-methyl-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione (CAS 78755-95-0)
- N4’,N4’-Dimethylbiphenyl-3,4’-diamine (CAS 503536-71-8)
- (2R,3R,4S,5R)-2-(6-(Allyl(cyclohexyl)amino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 55611-38-6)
- 2-((5-(4-(tert-Butyl)phenyl)-4-cyclopentyl-4H-1,2,4-triazol-3-yl)thio)-N-(2-cyano-3-methylbutan-2-yl)acetamide (CAS 744268-53-9)
- 2-((6-Oxo-6h-benzo[c]chromen-3-yl)oxy)propanoic acid (CAS 303016-29-7)
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- Diacetyllauroyl Glycerol (so called) [Plasticizer] (CAS 55191-44-1)
- 1-(5-Chloropentyl)piperidine hydrochloride (CAS 91976-94-2)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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