7-(4-Chlorophenyl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine CAS 260545-75-3
| CAS No. | 260545-75-3 |
| Molecular Formula | C13H12ClNS |
| Molecular Weight | 249.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
7-(4-Chlorophenyl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine (CAS 260545-75-3), molecular formula C13H12ClNS and molecular weight 249.76 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-(4-Chlorophenyl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine (C13H12ClNS) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 249.76 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H12ClNS |
| Molecular Weight | 249.76 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 4-(((4-Chlorophenyl)thio)methyl)aniline (CAS 6969-14-8)
- 4-(4-Chlorophenyl)-4h,5h,6h,7h-thieno[3,2-c]pyridine (CAS 213462-12-5)
- (2Z)-2-[(4-Chlorophenyl)methylidene]-1-azabicyclo[2.2.2]octan-3-ol (CAS 112611-42-4)
- 1-(2-Chlorophenyl)-N-((1-methyl-1h-pyrazol-4-yl)methyl)ethan-1-amine (CAS 1152885-83-0)
- 1-(1-(4-Chlorophenyl)-3,5-dimethyl-1h-pyrazol-4-yl)-N-methylmethanamine (CAS 1292691-62-3)
- 2-(4-Chlorophenyl)-2-(4-methylpiperazin-1-yl)acetonitrile (CAS 64661-39-8)
- 3-((3-Chlorophenyl)amino)-5,5-dimethylcyclohex-2-en-1-one (CAS 50685-29-5)
- 3-((4-Chlorophenyl)amino)-5,5-dimethylcyclohex-2-en-1-one (CAS 24706-47-6)
Recommended Standards
- Adamantan-1-ylsulfamoyl chloride (CAS 33713-06-3)
- ethyl 6-chlorothieno[2,3-b]pyridine-2-carboxylate (CAS 2092765-41-6)
- 3-Chloro-2-[(4-methylphenyl)sulfanyl]aniline (CAS 199803-23-1)
- methyl 7-chloro-3-methylthieno[2,3-c]pyridine-4-carboxylate (CAS 2306274-79-1)
- Ethyl 2-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate (CAS 1638766-91-2)
- 6-bromo-3-iodo-1H-indazole (CAS 885521-88-0)
- Methyl 2-chloro-4-(3-fluorophenyl)benzoate (CAS 1820707-61-6)
- (4AS,9aS)-1-methyl-2,3,4,4a,9,9a-hexahydro-1H-indeno[1,2-b]pyrazine (CAS 181034-50-4)
- 1-(4-Aminopiperidin-1-yl)-3-methoxypropan-2-ol hydrochloride (CAS 1423034-52-9)
- 6-Chloroimidazo[1,2-b]pyridazine-3-carbaldehyde (CAS 154578-26-4)
- (S)-(+)-1-(9-Anthryl)-2,2,2-trifluoroethanol (CAS 60646-30-2)
- Leuprorelin Impurity 52 (CAS CATO-C4X-182252)
- 1-Methyl-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine hydrochloride (CAS 1189957-62-7)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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