2-Chloro-7-iodoquinazolin-4-ol CAS 744229-16-1
| CAS No. | 744229-16-1 |
| Molecular Formula | C8H4ClIN2O |
| Molecular Weight | 306.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H4ClIN2O, 2-Chloro-7-iodoquinazolin-4-ol contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 306.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-Chloro-7-iodoquinazolin-4-ol (CAS 744229-16-1) is a high-purity analytical reference standard with the molecular formula C8H4ClIN2O and a molecular weight of 306.49 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Chloro-7-iodoquinazolin-4-ol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H4ClIN2O |
| Molecular Weight | 306.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 8-Chloro-6-iodoquinazolin-4(3H)-one (CAS 101580-72-7)
- 2-Chloro-5-iodoquinazolin-4(3H)-one (CAS 1107694-74-5)
- 2-Chloro-8-iodoquinazolin-4(3H)-one (CAS 1107694-75-6)
- 5-Chloro-6-iodo-1h-pyrrolo[2,3-b]pyridine-4-carbaldehyde (CAS 1246088-64-1)
- 5-Chloro-3-iodo-7H-pyrrolo[2,3-b]pyridine-6-carbaldehyde (CAS 1346447-32-2)
- 6-Chloro-3-iodoimidazo-[1,2-a]pyridine-5-carbaldehyde (CAS 1414864-07-5)
- 7-CHloro-6-iodo-1h-quinazolin-4-one (CAS 1423187-59-0)
- 6-Chloro-3-iodocinnolin-4(1H)-one (CAS 1443292-33-8)
Recommended Standards
- 2-Chloro-6-iodoquinazolin-4(3H)-one (CAS 438190-96-6)
- 3-Chloro-6-(4-iodo-1H-pyrazol-1-yl)pyridazine (CAS 957035-36-8)
- 2-Chloro-5-(5-iodo-1,2-oxazol-3-yl)pyridine (CAS 2092543-98-9)
- 4-Chloro-6-(4-iodo-1H-pyrazol-1-yl)pyrimidine (CAS 957035-27-7)
- (3R,5R)-3,5-Dihydroxy-7-((1S,2S,6S,8S,8aR)-6-hydroxy-8-(((2S,3S)-3-hydroxy-2-methylbutanoyl)oxy)-2-m (CAS 136657-41-5)
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