6-Methoxypyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione CAS 1956331-57-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1956331-57-9 |
| Molecular Formula | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-Methoxypyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 1956331-57-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H7N3O3. Molecular weight: 193.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1996 |
| Nitrogen Atoms | 3 |
Related Methoxypyrido Standards
- 8-Methoxypyrido[3,4-d]pyrimidine-2,4-diol (CAS 1470249-15-0)
- 6-Methoxypyrido[3,4-d]pyrimidine-2,4-diol (CAS 769158-28-3)
- (2-Methoxypyrido[3,2-d]pyrimidin-6-yl)boronic acid (CAS 1445779-99-6)
- 8-Methoxypyrido[3,4-d]pyrimidin-4-ol (CAS 1260178-71-9)
- 7-Methoxypyrido[2,3-b]pyrazin-2(1H)-one (CAS 1417556-24-1)
- 7-Methoxypyrido[3,2-d]pyrimidin-4(3H)-one (CAS 1600511-85-0)
- 6-Methoxypyrido[3,4-d]pyrimidin-4(3H)-one (CAS 183741-98-2)
- 2-Methoxypyrido[2,3-d]pyrimidin-7(8H)-one (CAS 959616-58-1)
Recommended Standards
- (7-Nitro-1H-indazol-3-yl)methanol (CAS 1935411-73-6)
- 5-Methyl-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 197367-68-3)
- 7-Methoxybenzo[d]isoxazole-3-carboxylic acid (CAS 1935175-08-8)
- 3-(Difluoromethylthio)benzoyl chloride (CAS 261944-16-5)
- Spinosin (CAS 72063-39-9)
- 2-[1-(dimethylamino)cyclopentyl]acetic acid hydrochloride (CAS 1803584-23-7)
- 3-(3,4-Dihydroisoquinolin-2(1H)-ylcarbonyl)bicyclo[2.2.1]hept-5-ene-2-carboxylic acid (CAS 500128-90-5)
- 1-(2-Aminoethyl)-3-(3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-6-yl)thiourea (CAS 77228-87-6)
- N-(1-Cyanocyclohexyl)-2-((5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)propanamide (CAS 851910-96-8)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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