7-Chloro-4-(piperazin-1-yl)quinazoline CAS 205259-91-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 205259-91-2 |
| Molecular Formula | C12H13ClN4 |
| Molecular Weight | 248.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-4-(piperazin-1-yl)quinazoline (CAS 205259-91-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H13ClN4. Molecular weight: 248.71 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H13ClN4 |
| Molecular Weight | 248.71 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 6-Chloro-N4-(3,4-dimethylphenyl)pyrimidine-2,4-diamine (CAS 95770-46-0)
- 7-Methyl-2,1,3-benzothiadiazole-4-sulfonyl chloride (CAS 3529-55-3)
- 6-Chloro-7,8,9,10-tetrahydroazepino[2,1-b]quinazolin-12(6H)-one (CAS 61938-77-0)
- 5-methoxy-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (CAS 1190319-23-3)
- Ethyl 7-(1H-imidazol-1-yl)-5,6-dihydronaphthalene-2-carboxylate (CAS 89781-86-2)
- 2-(Methylsulfanyl)-1-phenyl-1h-imidazole-5-carboxylic acid (CAS 852217-76-6)
- Nizatidine EP Impurity K (CAS 112233-23-5)
- 1-Ethyl-N-((1-isopropyl-1H-pyrazol-5-yl)methyl)-1H-pyrazol-4-amine hydrochloride (CAS 1855946-82-5)
- N4-Propylpyrimidine-4,6-diamine (CAS 98337-40-7)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
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