6,7-Bis(4-methoxyphenyl)-2-sulfanylpteridin-4-ol CAS 203307-62-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203307-62-4 |
| Molecular Formula | C20H16N4O3S |
| Molecular Weight | 392.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6,7-Bis(4-methoxyphenyl)-2-sulfanylpteridin-4-ol (CAS 203307-62-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H16N4O3S. Molecular weight: 392.43 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H16N4O3S |
| Molecular Weight | 392.43 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Bis Standards
- 4-((5-(4-Methoxyphenyl)-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)methyl)benzoic acid (CAS 457918-50-2)
- 6-{[2-(4-methoxyphenyl)-2-oxoethyl]sulfanyl}-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 478247-54-0)
- N-(3-Methoxyphenyl)-2-((3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide (CAS 868969-79-3)
- 1-(3-Methoxyphenyl)-3-(1-(3-phenyl-1,2,4-oxadiazol-5-yl)cyclohexyl)urea (CAS 1396679-30-3)
- 3-{1-[2-(3-methoxyphenyl)acetyl]piperidin-4-yl}-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775519-50-0)
- 1-(5,6-Bis(4-methoxyphenyl)-1,2,4-triazin-3-yl)piperidin-4-ol (CAS 59663-59-1)
- 2,9-Bis(4-methoxyphenyl)-1,10-phenanthroline (CAS 89333-97-1)
- 4,7-Bis(4-methoxyphenyl)-1,10-phenanthroline (CAS 95950-20-2)
Recommended Standards
- 5-Hydroxy-2-phenyl-1H-indene-1,3(2H)-dione (CAS 40117-49-5)
- 4-Methyl-N-(2-(4-oxo-4H-benzo[d][1,3]oxazin-2-yl)phenyl)benzenesulfonamide (CAS 3808-20-6)
- Dovitinib (CAS 405169-16-6)
- 1-(3-Methoxybenzyl)-3-methyl-4-(3-(trifluoromethyl)benzoyl)-3,4-dihydroquinoxalin-2(1H)-one (CAS 317833-51-5)
- 3-Methylisoquinoline-8-carbaldehyde (CAS 1416714-30-1)
- 2-(5-Ethynylthiophen-2-yl)-1,3-dioxolane (CAS 1411766-65-8)
- 2-(Difluoromethyl)-4-methyl-3-nitropyridine-5-methanol (CAS 1805441-54-6)
- 3,4-Dimethoxyphenylboronic acid (CAS 122775-35-3)
- Sitagliptin Impurity 28 (CAS 898543-70-9)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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