3-Benzyl-1-methylquinazoline-2,4(1H,3H)-dione CAS 199587-91-2
| CAS No. | 199587-91-2 |
| Molecular Formula | C16H14N2O2 |
| Molecular Weight | 266.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Benzyl-1-methylquinazoline-2,4(1H,3H)-dione (CAS 199587-91-2), molecular formula C16H14N2O2 and molecular weight 266.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H14N2O2, 3-Benzyl-1-methylquinazoline-2,4(1H,3H)-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 266.29 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 | C16H14N2O2 |
| Molecular Weight | 266.29 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 2 |
Related Benzyl Standards
- 2-Methylquinazoline-6-boronic acid pinacol ester, 97% (CAS 1644664-03-8)
- Ethyl 6-methylquinazoline-2-carboxylate (CAS 1159976-37-0)
- 3-Methylquinazoline-2,4(1H,3H)-dithione (CAS 16081-92-8)
- 2-Methylquinazoline-4-carboxylic acid (CAS 7671-97-8)
- 2-Methylquinazoline-6-carboxylic acid (CAS 648423-83-0)
- 2-Methylquinazoline-4-carboxamide (CAS 7671-94-5)
- 1-methylquinazoline-2,4-dione (CAS 604-50-2)
- 6-Methylquinazoline-2,4(1H,3H)-dione (CAS 62484-16-6)
Recommended Standards
- 3-Amino-N-(p-tolyl)benzofuran-2-carboxamide (CAS 397881-02-6)
- 3-Benzyl-7-hydroxy-4-methyl-2H-chromen-2-one (CAS 86-44-2)
- 3-Amino-n-(4-fluorophenyl)benzenesulfonamide (CAS 953717-92-5)
- 3-Benzyl-9-hydroxy-2-methyl-4h-pyrido[1,2-a]pyrimidin-4-one (CAS 70381-49-6)
- tert-butyl 2-(2-aminoethyl)-1,2,3,4-tetrahydroquinoline-1-carboxylate (CAS 1955523-55-3)
- 2-(Pyrrolidin-1-yl)-6,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-4(5H)-one (CAS 1707365-10-3)
- 6-(2-Aminophenoxy)-1,2-benzothiazol-3-amine dihydrochloride (CAS 613263-00-6)
- Fagomine (CAS 53185-12-9)
- 2,5-Dibromo-4-nitro-1H-imidazole (CAS 6154-30-9)
- Methyl 5-(4-Biphenylyl)isoxazole-3-carboxylate (CAS 1207024-72-3)
- Ethyl 3,4,5-trimethoxybenzoate (CAS 6178-44-5)
- 4-Chloro-1-naphthaldehyde (CAS 5471-26-1)
- 3-Methoxy-6,7-dihydrobenzo[d]isoxazol-4(5H)-one (CAS 257928-27-1)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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