5-((2-Chlorophenyl)amino)dihydropyrimidine-2,4(1H,3H)-dione CAS 6340-70-1
| CAS No. | 6340-70-1 |
| Molecular Formula | C20H16O3 |
| Molecular Weight | 304.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-((2-Chlorophenyl)amino)dihydropyrimidine-2,4(1H,3H)-dione (CAS 6340-70-1) is a high-purity analytical reference standard with the molecular formula C20H16O3 and a molecular weight of 304.34 g/mol.
Based on its molecular formula C20H16O3, 5-((2-Chlorophenyl)amino)dihydropyrimidine-2,4(1H,3H)-dione contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 304.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H16O3 |
| Molecular Weight | 304.34 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Chlorophenyl Standards
- 1-(Bis(4-chlorophenyl)methyl)-1H-1,2,4-triazole (CAS 102994-04-7)
- 1-(3-Chlorophenyl)-3-(4-chlorophenyl)-1H-pyrazol-5-amine (CAS 618098-28-5)
- 1-(3-Chlorophenyl)-4-(4-chlorophenyl)-1H-pyrazol-5-amine (CAS 324008-91-5)
- 1,3-Bis(4-chlorophenyl)-1H-pyrazol-5-amine (CAS 618092-72-1)
- 1,4-Bis(3-chlorophenyl)-1H-pyrazol-5-amine (CAS 324008-94-8)
- 2-(3-Chlorophenyl)-4-(4-chlorophenyl)-4-oxobutanenitrile (CAS 344280-24-6)
- 2,4-Bis(4-chlorophenyl)-4-oxobutanenitrile (CAS 344281-01-2)
- 3-(2-Chlorophenyl)-1-(3-chlorophenyl)-1H-pyrazol-5-amine (CAS 618098-34-3)
Recommended Standards
- 5-(((4-Fluorophenyl)amino)methyl)-4-(furan-2-ylmethyl)-4H-1,2,4-triazole-3-thiol (CAS 917750-25-5)
- 5-(3-Fluoro-4-methoxyphenyl)-6-methyl-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 861210-14-2)
- 4-Phenoxy-N-(pyridin-4-ylmethyl)benzamide (CAS 852229-20-0)
- 5-Oxo-5-((4-(pyrrolidine-1-carbonyl)phenyl)amino)pentanoic acid (CAS 900080-57-1)
- Phlorisovalerophenone (CAS 26103-97-9)
- 1-((Benzyloxy)methyl)-3,4-dibromo-1H-pyrrole-2,5-dione (CAS 102147-52-4)
- 2-(4-Methoxyphenyl)-6-methylimidazo[1,2-a]pyridine (CAS 365213-32-7)
- 2-(Allyloxy)-6-methoxybenzaldehyde (CAS 71186-60-2)
- 2-Bromo-5-bromomethyl-thiazole (CAS 131748-91-9)
- Amino(3-phenoxyphenyl)acetic acid (CAS 299168-94-8)
- Methyl 4-(3-methoxyphenyl)-3-oxobutanoate (CAS 192213-57-3)
- 2-(3-Ethyl-1H-pyrazol-1-yl)acetic acid (CAS 1500941-68-3)
- 2-(2,5-Dichlorophenyl)pyrimidine-5-carboxaldehyde (CAS 1361825-61-7)
- Tirzepatide Impurity 36 (CAS CATO-C4X-324036)
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