(H-Cys-βNA)2 (Disulfide bond) CAS 1259-69-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 1259-69-4 |
| Molecular Formula | C26H26N4O2S2 |
| Molecular Weight | 490.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(H-Cys-βNA)2 (Disulfide bond) (CAS 1259-69-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C26H26N4O2S2. Molecular weight: 490.64 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C26H26N4O2S2 |
| Molecular Weight | 490.64 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Recommended Standards
- Chlordecone（and enantiomer） (CAS 143-50-0)
- (1E)-N-Cyclopropyl-1-[1-(4-methoxyphenyl)-4-[(4-methylphenyl)sulfanyl]-2-phenyl-6,7-dihydro-1H-indol-5-yl]methanimine (CAS 477869-27-5)
- Thiosildenafil (CAS 479073-79-5)
- N,4-Dimethyl-2-phenyl-1,3-oxazole-5-carboxamide (CAS 478066-10-3)
- 2-(2-Hydroxyethyl)pyrimidin-5-ol (CAS 1422343-89-2)
- 4-(2-Hydroxyethyl)-5-methyl-1-((2,3,4,5,6-pentamethylphenyl)sulfonyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 861207-39-8)
- Mianserin (CAS 21535-47-7)
- 1-(4-Bromo-2-methylphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1017417-32-1)
- 2-Chloro-1-(1-(2,5-dimethylphenyl)-2,5-dimethyl-1h-pyrrol-3-yl)ethan-1-one (CAS 923831-62-3)
- Semaglutide Impurity 133 (CAS CATO-C4X-2226133)
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