Isoxanthopterin CAS 529-69-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 529-69-1 |
| Molecular Formula | C6H5N5O2 |
| Molecular Weight | 179.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Isoxanthopterin (CAS 529-69-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5N5O2. Molecular weight: 179.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5N5O2 |
| Molecular Weight | 179.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| 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.) | 1957 |
| Nitrogen Atoms | 5 |
Recommended Standards
- Ethyl-(5-trifluoromethyl-2H-pyrazol-3-yl)-amine (CAS 898540-00-6)
- N,N-Dimethyl-3-(trifluoromethyl)-1H-pyrazol-5-amine (CAS 251658-53-4)
- 8-Methyl-6-nitrotetrazolo[1,5-a]pyridine (CAS 254429-02-2)
- 7-Methyl-5H-pyrrolo[3,2-d]pyrimidin-4-ol (CAS 71435-37-5)
- 5-(4-Isopropylphenyl)-1,3,4-oxadiazol-2-amine (CAS 49579-79-5)
- 5'-Chloro-5'-deoxyadenosine (CAS 892-48-8)
- 1-[(2-Chlorophenyl)methyl]-6-(3,4-dichlorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 252059-61-3)
- 3-Chloro-5-fluoro-3-(2-methylphenyl)propiophenone (CAS 898789-88-3)
- 1,2,3,6,8-Pentachloronaphthalene (CAS 150224-23-0)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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