2-Chlorothieno[3,2-d]pyrimidin-4(3H)-one, 97% CAS 1245811-20-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1245811-20-4 |
| Molecular Formula | C6H3ClN2OS |
| Molecular Weight | 186.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chlorothieno[3,2-d]pyrimidin-4(3H)-one, 97% (CAS 1245811-20-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3ClN2OS. Molecular weight: 186.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3ClN2OS |
| Molecular Weight | 186.62 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorothieno Standards
- 5-Chlorothieno[2,3-d]pyrimidin-4-ol (CAS 137240-12-1)
- 7-Chlorothieno[2,3-d]pyridazin-4(5H)-one (CAS 19137-24-7)
- 6-Chlorothieno[2,3-d]pyrimidin-4(3H)-one (CAS 1934692-90-6)
- 7-Chlorothieno[3,4-d]pyrimidin-4(3H)-one (CAS 53826-83-8)
- 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)
Recommended Standards
- 5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one (CAS 121879-69-4)
- 3-chloro-5-(thiophen-2-yl)-1,2,4-oxadiazole (CAS 1257878-65-1)
- 7-Chlorothiazolo[5,4-d]pyrimidin-5-amine, 97% (CAS 1211527-74-0)
- (1R,8aR)-octahydropyrrolo[1,2-a]pyrazine-1-carboxylic acid (CAS 2165528-98-1)
- 6-Methyl-2-phenyl-5,6-dihydrofuro[2,3-d]pyrimidin-4(3H)-one (CAS 23378-19-0)
- 5,5'-(1,4-Phenylene)bis(pyridin-2-amine) (CAS 2375582-48-0)
- AZD6482 (R) (CAS 1173900-33-8)
- N-(3-Methoxy-phenyl)-malonamic acid ethyl ester (CAS 86648-53-5)
- 2,8-dimethyl-1,9-dioxa-4-azaspiro[5.5]undecane (CAS 1562038-48-5)
- Brain Injury Derived Neurotrophic Peptide (H-3914.0001) (CAS 148330-12-5)
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 13829788188 / jacky.chen@cato-chem.com