4-Amino-6-(4-chlorophenyl)-3-phenyl-3,7-dihydropyrimido[5,4-d]pyrimidine-2,8-dione CAS 865658-75-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 865658-75-9 |
| Molecular Formula | C18H12ClN5O2 |
| Molecular Weight | 365.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Amino-6-(4-chlorophenyl)-3-phenyl-3,7-dihydropyrimido[5,4-d]pyrimidine-2,8-dione (CAS 865658-75-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H12ClN5O2. Molecular weight: 365.77 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H12ClN5O2 |
| Molecular Weight | 365.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Amino Standards
- Methyl 2-(4-amino-3-benzyl-5-(2-chloroacetyl)-2,6-dioxo-3,6-dihydropyrimidin-1(2h)-yl)acetate (CAS 749219-02-1)
- Ethyl 2-amino-4-(2-chloro-6-fluorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate (CAS 326919-69-1)
- 2-Amino-6-(4-chlorophenyl)-4-(3,4-dimethoxyphenyl)nicotinonitrile (CAS 160729-10-2)
- 2-Amino-6-(4-chlorophenyl)-4-(3-ethoxy-4-hydroxyphenyl)nicotinonitrile (CAS 332127-22-7)
- 2-Amino-N-(2-chloro-5-nitrophenyl)-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide (CAS 587851-04-5)
- N-[4-(2-amino-1,3-thiazol-4-yl)phenyl]-4-chlorobenzene-1-sulfonamide (CAS 438030-35-4)
- 2-((4-Amino-5-(4-chlorophenyl)-4H-1,2,4-triazol-3-yl)thio)-N-cyclohexylacetamide (CAS 540498-91-7)
- 2-((4-Amino-5-cyclohexyl-4H-1,2,4-triazol-3-yl)thio)-N-(2-chlorophenyl)acetamide (CAS 887878-63-9)
Recommended Standards
- 4-{[(E)-2-[3-(2-chlorophenyl)-4-cyano-1,2-oxazol-5-yl]ethenyl]amino}benzoic acid (CAS 320424-92-8)
- 6-(2-Chlorophenyl)-4-imino-3-phenyl-1H,2H,3H,4H,7H,8H-[1,3]diazino[5,4-d]pyrimidine-2,8-dione (CAS 866019-01-4)
- 4-[(5-Chloro-2-methoxy-phenylcarbamoyl)-methoxy]-3-methoxy-benzoic acid (CAS 522624-53-9)
- N-{[2-chloro-6-(3-methyl-1H-indol-1-yl)phenyl]methyl}propanamide (CAS 866042-90-2)
- 4,5-dichloro-6-methyl-2-[5-(trifluoromethyl)-2-pyridyl]pyrimidine (CAS 266679-65-6)
- Mitiglinide Impurity 8 (CAS 19806-12-3)
- 2-Amino-4,5-dimethylthiazole (CAS 2289-75-0)
- (S)-Ethyl 2-((Tert-Butoxycarbonyl)Amino)-3-(4-(((Trifluoromethyl)Sulfonyl)Oxy)Phenyl)Propanoate (CAS 169158-01-4)
- 2-(1H-1,2,4-triazol-1-yl)propan-1-ol (CAS 1158736-02-7)
- Semaglutide Impurity 189 (CAS CATO-C4X-2226189)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com