2,4-Diamino-N-butylquinazoline-6-sulfonamide CAS 21811-08-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21811-08-5 |
| Molecular Formula | C12H17N5O2S |
| Molecular Weight | 295.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,4-Diamino-N-butylquinazoline-6-sulfonamide (CAS 21811-08-5) pharmaceutical standards reference standard. Molecular formula: C12H17N5O2S. Molecular weight: 295.36 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H17N5O2S |
| Molecular Weight | 295.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Diamino Standards
- 2,4-Diamino-N-(sec-butyl)quinazoline-6-sulfonamide (CAS 86651-19-6)
- 2,4-Diamino-N-(tert-butyl)quinazoline-6-sulfonamide (CAS 86651-16-3)
- 4,6-Diamino-1-(4-methoxyphenyl)-2-oxo-2,3-dihydro-1h-pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS 124476-83-1)
- 2,3-Diamino-N-(4-(trifluoromethyl)phenyl)benzamide (CAS 1421933-32-5)
- 1,6-Diamino-4-(benzo[d][1,3]dioxol-5-yl)-2-oxo-1,2-dihydropyridine-3,5-dicarbonitrile (CAS 339248-22-5)
- 2,4-Diamino-6-((3,4-dichlorophenyl)amino)pyrimidine-5-carbonitrile (CAS 7357-32-6)
- 1,6-Diamino-4-(2-nitrophenyl)-2-oxo-1,2-dihydropyridine-3,5-dicarbonitrile (CAS 153334-66-8)
- 4,6-Diamino-2-((o-tolyloxy)methyl)-2,3-dihydrofuro[2,3-b]pyridine-5-carbonitrile (CAS 343374-98-1)
Recommended Standards
- 2-Amino-N,4-diphenylthiazole-5-carboxamide (CAS 300815-19-4)
- 3-(4-(2-Hydroxyethyl)piperazin-1-yl)benzo[d]isothiazole 1,1-dioxide (CAS 421570-23-2)
- 2-(tert-Butylsulfonyl)-2-[2-(4-methoxyphenyl)hydrazono]acetonitrile (CAS 241127-19-5)
- 2-(4-Amino-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)acetic acid (CAS 858269-56-4)
- 1-Nitro-3-(4-nitrophenoxy)benzene (CAS 2914-72-9)
- 5-Hydroxy-2-(3-hydroxy-4,5-dimethoxyphenyl)-6,7-dimethoxy-4H-chromen-4-one (CAS 111537-41-8)
- 1-Benzyl-1,4-dihydropyridine-3-carboxylic acid (CAS 39713-14-9)
- 5-bromo-3-iodopyrazin-2-amine (CAS 1062608-42-7)
- N-(5-bromo-6-methylpyridin-2-yl)propionamide (CAS 638140-68-8)
- 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 13829788188 / jacky.chen@cato-chem.com