Sepiapterin Impurity 26 CAS 13039-69-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 13039-69-5 |
| Molecular Formula | C13H18O7S |
| Molecular Weight | 318.34 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sepiapterin Impurity 26 (CAS 13039-69-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H18O7S. Molecular weight: 318.34 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H18O7S |
| Molecular Weight | 318.34 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Sulfur Atoms | 1 |
Related Sepiapterin Standards
- Sepiapterin impurity 16 (CAS CATO-C4X-276616)
- Sepiapterin Impurity 7 (CAS CATO-C4X-31027)
- Sepiapterin impurity 15 (CAS CATO-C4X-276615)
- Sepiapterin Impurity 12 (CAS CATO-C4X-276612)
- Sepiapterin Impurity 13 (CAS CATO-C4X-276613)
- Sepiapterin impurity 22 (CAS 1355024-07-5)
- Sepiapterin Impurity 24-D3 (CAS 2747956-15-4)
- Sepiapterin Impurity 11 (CAS 1177884-36-4)
Recommended Standards
- Landiolol Impurity 73 (CAS CATO-C4X-262173)
- Flurbiprofen 2-Glyceryl Ester (CAS 124635-86-5)
- Safinamide Impurity 3 (CAS CATO-C4X-15903)
- Risperidone Impurity 23 (CAS 70381-58-7)
- Epinastine EP Impurity A (CAS 706753-75-5)
- (3H-Imidazo[4,5-c]pyridin-2-yl)methanamine dihydrochloride (CAS 2140316-34-1)
- Benzene, 1-[(3-bromopropyl)thio]-4-fluoro- (CAS 104605-77-8)
- 1-(4-(3-Methyl-1,2,4-oxadiazol-5-yl)phenyl)-3-phenylurea (CAS 1226431-34-0)
- 7-Bromo-4-methoxy-1H-pyrrolo[2,3-c]pyridine hydrochloride, 97% (CAS 619331-35-0)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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