4-Amino-6-(2-methoxyphenyl)-3-phenyl-3,7-dihydropyrimido[5,4-d]pyrimidine-2,8-dione CAS 499197-57-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 499197-57-8 |
| Molecular Formula | C19H15N5O3 |
| Molecular Weight | 361.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-6-(2-methoxyphenyl)-3-phenyl-3,7-dihydropyrimido[5,4-d]pyrimidine-2,8-dione (CAS 499197-57-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H15N5O3. Molecular weight: 361.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H15N5O3 |
| Molecular Weight | 361.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 2025 |
| Nitrogen Atoms | 5 |
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Recommended Standards
- 4-Acetamido-5-hydroxynaphthalene-1,7-disulfonic acid (CAS 6409-21-8)
- 6-(4-Methoxyphenyl)-1-(4-nitrobenzyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 252060-08-5)
- 3-nitro-4-[(6-nitro-1,3-benzothiazol-2-yl)thio]benzaldehyde (CAS 733030-93-8)
- 2-(4-Bromophenyl)-2,3-dihydrobenzo[b][1,4]thiazepin-4(5H)-one (CAS 96680-90-9)
- Methyl 1-methyl-1H-pyrrolo[3,2-b]pyridine-6-carboxylate (CAS 2121702-57-4)
- 1-(2-Morpholino-2-oxoethyl)cyclopentane-1-carboxylic acid (CAS 851722-07-1)
- 2-(2,6-Dichloro-4-(trifluoromethoxy)phenyl)acetic acid (CAS 886503-16-8)
- 1-(3-Bromophenyl)cyclopentan-1-ol (CAS 210826-69-0)
- (1s)-1-[4-(propan-2-yloxy)phenyl]ethan-1-ol (CAS 1212112-49-6)
- Neuropeptide W-23 (rat) (CAS 383415-89-2)
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