7-Chlorothieno[3,2-c]pyridin-4(5H)-one CAS 29079-93-4
| CAS No. | 29079-93-4 |
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 185.63 g/mol gives 7-Chlorothieno[3,2-c]pyridin-4(5H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Chlorothieno[3,2-c]pyridin-4(5H)-one (CAS 29079-93-4), molecular formula C7H4ClNOS and molecular weight 185.63 g/mol, is a CATO reference standard with documented purity and traceability.
7-Chlorothieno[3,2-c]pyridin-4(5H)-one (C7H4ClNOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 7-Chlorothieno[3,2-c]pyridin-4(5H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 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, water (slightly soluble) |
| 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.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothieno Standards
- 4-Chlorothieno[3,2-d]pyrimidin-2-amine (CAS 1378824-80-6)
- 4-Chlorothieno[2,3-b]pyridine 7-oxide (CAS 25557-54-4)
- 4-Chlorothieno[3,2-d]pyrimidin-6-amine (CAS 936354-32-4)
- 4-Chlorothieno[3,2-d]pyrimidin-7-amine (CAS 2839502-29-1)
- 5-Chlorothieno[3,2-b]pyridin-7-ol (CAS 90690-93-0)
- 7-Chlorothieno[3,2-b]pyridin-5(4H)-one (CAS 74695-45-7)
- 2-Chlorothieno[3,2-b]pyridin-3-amine (CAS 26579-61-3)
- 2-Chlorothieno[3,2-d]pyrimidin-4(3H)-one, 97% (CAS 1245811-20-4)
Recommended Standards
- 8-chloro-6-fluoro-1,2,3,4-tetrahydroquinoline (CAS 954571-06-3)
- 7-Chlorobenzoxazole-2(3H)-thione (CAS 51793-93-2)
- Ticagrelor Impurity N1 (CAS 2227766-79-0)
- 7-Chlorobenzo[d]thiazol-2(3H)-one (CAS 80416-76-8)
- 3-((3-Amino-3-oxopropyl)amino)propanoic acid (CAS 5493-40-3)
- 2-(piperazin-1-yl)-N-(prop-2-yn-1-yl)acetamide (CAS 1016871-88-7)
- ANDROSTAN-17-ONE, 5a- (CAS 963-74-6)
- n-(1-Amino-2-methylpropan-2-yl)isobutyramide (CAS 1339873-33-4)
- (3S,4S)-tert-Butyl 3-amino-4-methylpyrrolidine-1-carboxylate (CAS 1152110-80-9)
- Emamectin-N-formyl (CAS 169265-46-7)
- (S)-2-Amino-3-(4-(borono-10B)phenyl)propanoic acid hydrochloride (CAS 74611-70-4)
- Methyl 1-propyl-1h-pyrazole-5-carboxylate (CAS 1170869-49-4)
- (S)-N-(4-methyl-1-(naphthalen-2-ylamino)-1-oxopentan-2-yl)benzamide (CAS 94441-89-1)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
Why CATO?
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