1,4-Dihydroquinazoline CAS 1904-64-9
| CAS No. | 1904-64-9 |
| Molecular Formula | C8H8N2 |
| Molecular Weight | 132.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Dihydroquinazoline (C8H8N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 1,4-Dihydroquinazoline (CAS 1904-64-9), a certified reference material (molecular formula C8H8N2, MW 132.16 g/mol) for analytical method development and quality control.
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 | C8H8N2 |
| Molecular Weight | 132.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Dihydroquinazoline Standards
- 1,4-Dihydroquinazoline-4-carbonitrile (CAS 5132-43-4)
- 3,4-Dihydroquinazoline-2(1H)-thione (CAS 22820-08-2)
- 4-Oxo-3,4-dihydroquinazoline-6-carbonitrile (CAS 117297-41-3)
- 3,4-Dihydroquinazoline-4-carboxylic acid (CAS 2167375-75-7)
- 4-Oxo-3,4-dihydroquinazoline-2-carboxamide (CAS 76617-97-5)
- 4-oxo-3,4-dihydroquinazoline-7-carboxylic acid (CAS 202197-73-7)
- 2-ethyl-3,4-dihydroquinazoline-4-thione (CAS 69729-68-6)
- 4-oxo-3,4-dihydroquinazoline-5-carboxylic acid (CAS 208774-29-2)
Recommended Standards
- (3R,4R)-4-(hydroxymethyl)tetrahydro-2H-pyran-3-ol (CAS 1903826-84-5)
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- 3-Ethoxy-N-hydroxypropanimidamide (CAS 188720-03-8)
- 3,3-dimethoxycyclobutan-1-ol (CAS 1935266-62-8)
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- 1-(1-(2-Chlorophenyl)propyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1604037-07-1)
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