4-Chlorothieno[3,2-d]pyrimidin-7-amine CAS 2839502-29-1
| CAS No. | 2839502-29-1 |
| Molecular Formula | C6H4ClN3S |
| Molecular Weight | 185.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chlorothieno[3,2-d]pyrimidin-7-amine (CAS 2839502-29-1), a certified reference material (molecular formula C6H4ClN3S, MW 185.63 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H4ClN3S, 4-Chlorothieno[3,2-d]pyrimidin-7-amine contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 185.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 4-Chlorothieno[3,2-d]pyrimidin-7-amine 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 | C6H4ClN3S |
| 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 DMSO, DMF, methanol |
| 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.) | 2003 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| 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)
- 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)
- 7-Chlorothieno[3,2-c]pyridin-4(5H)-one (CAS 29079-93-4)
- 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
- 5-Chloro-2-benzothiazolinone (CAS 20600-44-6)
- 5-chloro-8-fluoro-1,2,3,4-tetrahydroquinoline (CAS 954270-78-1)
- 4-Chlorobenzo[d]thiazol-2(3H)-one (CAS 39205-62-4)
- 5-Chlorobenzo[d]oxazole-2(3H)-thione (CAS 22876-19-3)
- 4-[3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]-1-oxa-4-azaspiro[4.5]decane (CAS 329702-13-8)
- 2-(6-Morpholin-4-yl-4-(trifluoromethyl)-pyridin-2-ylsulfanyl)ethanol (CAS 1053657-98-9)
- 5-Chloro-3-(2,2,2-trifluoroethyl)-3H-imidazo[4,5-b]pyridin-2-amine (CAS 1627952-82-2)
- Diethyl-d10 Carbonate (CAS 440671-47-6)
- Methyl 3-((3-bromophenyl)amino)propanoate (CAS 857576-77-3)
- 6-Chloro-7-iodo-7-deazapurine (CAS 123148-78-7)
- 1,2,4-Trimethylcyclopenta-1,3-diene (CAS 4784-94-5)
- Ethyl 2-(5-amino-3-tert-Butyl-1h-pyrazol-1-yl)acetate (CAS 306818-06-4)
- Catramilast (CAS 183659-72-5)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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