3-(1H-Indol-3-yl)-6-iodo-2-methylquinazolin-4(3H)-one CAS 655250-50-3
| CAS No. | 655250-50-3 |
| Molecular Formula | C17H12IN3O |
| Molecular Weight | 401.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H12IN3O, 3-(1H-Indol-3-yl)-6-iodo-2-methylquinazolin-4(3H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 401.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-(1H-Indol-3-yl)-6-iodo-2-methylquinazolin-4(3H)-one (CAS 655250-50-3), molecular formula C17H12IN3O and molecular weight 401.20 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C17H12IN3O |
| Molecular Weight | 401.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 3 |
Related H Standards
- 11-(1H-indol-3-yl)-3,3-dimethyl-1-oxo-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepine-7-carboxylic acid (CAS 1024355-02-9)
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Recommended Standards
- 1-(Tert-butyl) 6-methyl 3-iodo-1H-indole-1,6-dicarboxylate (CAS 850374-94-6)
- 4',5'-Dichloro-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 2320-96-9)
- 2-(3-Iodo-1H-indazol-5-yl)spiro[cyclopropane-1,3'-indolin]-2'-one (CAS 1799434-54-0)
- 2-(6-amino-2-iodo-9-purinyl)-5-(hydroxymethyl)oxolane-3,4-diol 2-(6-azanyl-2-iodanyl-purin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol 35109-88-7 A822571 (CAS 35109-88-7)
- Phenyl(2-phenylcyclopropyl)methanone (CAS 15295-43-9)
- 2-[1-(2-Ethoxybenzyl)-2-piperazinyl]ethanol (CAS 1201633-47-7)
- Methyl 4-oxo-3,4-dihydrophthalazine-1-carboxylate (CAS 53960-10-4)
- 2-Chloro-5-(2-methoxyphenyl)pyrazine (CAS 412924-03-9)
- (4-Pentylphenyl)methanamine hydrochloride (CAS 105254-43-1)
- 2-Methoxy-5-(pentafluoro-lambda6-sulfanyl)benzamide (CAS 1706430-65-0)
- 5-((Thietan-3-ylamino)methyl)isoxazole-3-carboxamide (CAS 1860673-66-0)
- Methyl 6-cyano-1H-pyrrolo[3,2-b]pyridine-3-carboxylate (CAS 959245-07-9)
- 2,4-Dichloro-N-(4-(N-(quinoxalin-2-yl)sulfamoyl)phenyl)benzamide (CAS 424815-12-3)
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
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