4-Chloro-2-(pyrazin-2-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine CAS 1080821-72-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1080821-72-2 |
| Molecular Formula | C14H11ClN4S |
| Molecular Weight | 302.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2-(pyrazin-2-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine (CAS 1080821-72-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H11ClN4S. Molecular weight: 302.78 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H11ClN4S |
| Molecular Weight | 302.78 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 7-Chloro-3-(2-methylphenyl)-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 118449-36-8)
- 3-(3-Chloro-4-methylphenyl)-2-thioxo-2,3-dihydroquinazolin-4(1h)-one (CAS 134615-79-5)
- 2-Chloro-N-(3-cyano-4,5-dihydronaphtho[1,2-b]thiophen-2-yl)acetamide (CAS 1365962-07-7)
- (2E)-7-Chloro-2-[(phenylamino)methylidene]-3,4-dihydro-2H-1,4-benzothiazin-3-one (CAS 338417-01-9)
- 2-Chloro-3-((4-methoxyphenyl)thio)quinoxaline (CAS 87378-88-9)
- 2-Chloro-N-(3-cyano-4-(methylthio)phenyl)benzamide (CAS 306980-84-7)
- 2-Chloro-N-[3-(pyrrolidine-1-sulfonyl)-phenyl]-acetamide (CAS 729578-92-1)
- 3-(3-Chloro-2-methylphenyl)-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 81066-84-4)
Recommended Standards
- 4-(4-Chlorobenzyl)tetrahydro-2h-thiopyran-4-carboxylic acid 1,1-dioxide (CAS 2197052-50-7)
- 1094712-46-5 N-1,3-Benzothiazol-2-yl-2-chloro-2-phenylacetamide MFCD00578526 (CAS 1094712-46-5)
- 4-(3-Chlorobenzyl)tetrahydro-2h-thiopyran-4-carboxylic acid 1,1-dioxide (CAS 2197052-84-7)
- 4-Cyclohexylpiperazin-1-amine (CAS 916518-99-5)
- Acamprosate EP Impurity C Calcium Salt (CAS 233591-26-9)
- Ethyl 4-fluoro-3-hydroxybenzoate (CAS 351317-28-7)
- 4-[(4-aminopiperidin-1-yl)methyl]-2-ethoxyphenol dihydrochloride (CAS 1797809-20-1)
- (1R,2R)-2-(5-Phenyl-1H-imidazol-1-yl)cyclohexanamine (CAS 873112-31-3)
- 3-(3-Isobutyl-1-methyl-1h-1,2,4-triazol-5-yl)thiophen-2-amine (CAS 1341505-10-9)
- Tau Peptide (307-321) trifluoroacetate salt (CAS 330456-50-3)
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