6-Chlorothieno[3,2-c]pyridine CAS 1781989-24-9
| CAS No. | 1781989-24-9 |
| Molecular Formula | C7H4ClNS |
| Molecular Weight | 169.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-Chlorothieno[3,2-c]pyridine.
6-Chlorothieno[3,2-c]pyridine (CAS 1781989-24-9), molecular formula C7H4ClNS and molecular weight 169.63 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Chlorothieno[3,2-c]pyridine (C7H4ClNS) contains a nitrile group, 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 169.63 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 6-Chlorothieno[3,2-c]pyridine 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 | C7H4ClNS |
| Molecular Weight | 169.63 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.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothieno Standards
- 2-Chlorothieno[2,3-b]pyridine (CAS 1823943-95-8)
- 2-Chlorothieno[2,3-c]pyridine (CAS 756477-32-4)
- 2-Chlorothieno[3,2-b]pyridine (CAS 94191-14-7)
- 2-Chlorothieno[3,2-c]pyridine (CAS 28783-23-5)
- 3-Chlorothieno[2,3-b]pyridine (CAS 53399-36-3)
- 3-Chlorothieno[3,2-b]pyridine (CAS 94191-11-4)
- 4-Chlorothieno[2,3-c]pyridine (CAS 477874-92-3)
- 5-Chlorothieno[2,3-b]pyridine (CAS 21344-25-2)
Recommended Standards
- Pyrrolidine-1-sulfonyl chloride (CAS 1689-02-7)
- (3R,4S)-3-amino-4-chlorotetrahydrothiophene 1,1-dioxide (CAS 1820574-95-5)
- 1-((Chloromethyl)sulfonyl)azetidine (CAS 1343317-78-1)
- 2-Chloro-4-mercaptobenzonitrile (CAS 110888-20-5)
- 4242-15-3 5-Methyl-3,4-dihydro-1H-naphthalen-2-one MFCD04038677 (CAS 4242-15-3)
- 4-(Benzylamino)-2-chlorobenzoic acid (CAS 884995-00-0)
- 2-(Furan-2-yl)-4,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 929973-78-4)
- 2-Amino-3-(2-(trifluoromethyl)furan-3-yl)propanoic acid (CAS 1378254-75-1)
- 3-(Butylsulfonyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-amine (CAS 2407479-78-9)
- 4-Hydroxy-2-nitrobenzo[d]oxazole (CAS 1804412-78-9)
- Pacritinib Impurity 9 (CAS 910907-13-0)
- 4-(3-(Ethoxycarbonyl)-2-methyl-5-phenyl-1H-pyrrol-1-yl)benzoic acid (CAS 361158-00-1)
- (R)-6,6’-Dibromo-2,2’-dimethoxy-1,1’-binaphthalene (CAS 117745-45-6)
- Liraglutide Impurity 22 (CAS 536721-25-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com