6-Iodo-2-mercapto-3-phenylquinazolin-4(3H)-one CAS 18741-38-3
| CAS No. | 18741-38-3 |
| Molecular Formula | C14H9IN2OS |
| Molecular Weight | 380.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-Iodo-2-mercapto-3-phenylquinazolin-4(3H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-Iodo-2-mercapto-3-phenylquinazolin-4(3H)-one (CAS 18741-38-3), molecular formula C14H9IN2OS and molecular weight 380.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Iodo-2-mercapto-3-phenylquinazolin-4(3H)-one (C14H9IN2OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 380.20 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C14H9IN2OS |
| Molecular Weight | 380.20 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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- Methyl quinoline-3-carboxylate (CAS 53951-84-1)
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- 1-(4-Bromobenzyl)-1H-imidazole-4-carboxylic acid (CAS 1439900-42-1)
- 4-(chlorosulfonyl)-2-fluorobenzoic acid (CAS 1354962-26-7)
- N-(3-(tert-Butyl)isoxazol-5-yl)benzo[c][1,2,5]thiadiazole-5-carboxamide (CAS 1207026-91-2)
- (S)-3-Amino-6-(Boc-amino)hexanoic Acid (CAS 1956436-56-8)
- 4-(4-Bromophenoxy)-6-chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 5413-98-9)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
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