4-Amino-3-(4-chlorophenyl)-6-(thiophen-3-yl)-3,7-dihydropyrimido[5,4-d]pyrimidine-2,8-dione CAS 634155-03-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 634155-03-6 |
| Molecular Formula | C16H10ClN5O2S |
| Molecular Weight | 371.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-3-(4-chlorophenyl)-6-(thiophen-3-yl)-3,7-dihydropyrimido[5,4-d]pyrimidine-2,8-dione (CAS 634155-03-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H10ClN5O2S. Molecular weight: 371.80 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H10ClN5O2S |
| Molecular Weight | 371.80 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Amino Standards
- methyl 3-amino-4-((4-isopropoxy-2-methylphenyl)amino)thieno[2,3-b]pyridine-2-carboxylate (CAS 2102410-70-6)
- 4-Amino-7-((2R,3S,4R,5R)-3-bromo-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide (CAS 127880-94-8)
- 1-Amino-4-((3-((dimethylamino)methyl)phenyl)amino)anthracene-9,10-dione (CAS 83968-84-7)
- 1-Amino-4-(4-butylphenoxy)anthracene-9,10-dione (CAS 92002-94-3)
- 2-((4-Amino-5-(4-fluorophenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(2,6-dimethylphenyl)acetamide (CAS 763114-90-5)
- 2-Amino-1-(4-(tert-butyl)phenoxy)anthracene-9,10-dione (CAS 68256-56-4)
- 1-Amino-4-(benzo[d]thiazol-2-ylamino)anthracene-9,10-dione (CAS 62593-01-5)
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Recommended Standards
- 3-[(4-Chlorophenyl)methyl]-2-[3-(trifluoromethyl)phenyl]-1,3-thiazolidin-4-one (CAS 866042-14-0)
- N-(4-Chlorophenyl)-2-[(3,4,4-trifluorobut-3-en-1-yl)sulfanyl]benzamide (CAS 339020-03-0)
- 3-(5-Chloro-2-(methylthio)pyrimidin-4-yl)-3-oxo-2-(4-oxo-3,4-dihydroquinazolin-2-yl)propanenitrile (CAS 328033-13-2)
- 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one (CAS 1691-93-6)
- n-(4-Acetamidophenyl)-2-(3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetamide (CAS 1008865-40-4)
- 5-Hydroxy-3-(thiophen-2-yl)-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazole-1-carbothioamide (CAS 345923-59-3)
- 6-(Pyrrolidin-1-ylmethyl)picolinic acid (CAS 1216183-26-4)
- 3-Cyclopropoxy-2-fluorobenzoic acid (CAS 1243400-70-5)
- 1,1,1-Trifluoro-4-(methylthio)butan-2-one (CAS 1341824-67-6)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
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