6,8-Dibromo-3-hydroxy-2-methylquinazolin-4(3H)-one CAS 103718-93-0
| CAS No. | 103718-93-0 |
| Molecular Formula | C9H6Br2N2O2 |
| Molecular Weight | 333.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6,8-Dibromo-3-hydroxy-2-methylquinazolin-4(3H)-one.
CATO supplies 6,8-Dibromo-3-hydroxy-2-methylquinazolin-4(3H)-one (CAS 103718-93-0), a certified reference material (molecular formula C9H6Br2N2O2, MW 333.96 g/mol) for analytical method development and quality control.
Structurally, 6,8-Dibromo-3-hydroxy-2-methylquinazolin-4(3H)-one (C9H6Br2N2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 333.96 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.
CATO manufactures 6,8-Dibromo-3-hydroxy-2-methylquinazolin-4(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H6Br2N2O2 |
| Molecular Weight | 333.96 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, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- Methyl 3,5-Dibromo-1H-indazole-6-carboxylate (CAS 1352395-38-0)
- 6,7-Dibromo-pyrazolo[1,5-a]pyridine-3-carboxylic acid methyl ester (CAS 1373223-40-5)
- 1427460-71-6 Methyl 5,7-dibromo-1H-indazole-6-carboxylate MFCD23159174 (CAS 1427460-71-6)
- 6,8-Dibromo-5-methylimidazo-[1,2-a]pyridine-2-carboxylic acid (CAS 1427460-90-9)
- 6,8-Dibromo-2H-chromene-3-carboxylic acid (CAS 855286-71-4)
- Methyl 3,6-dibromo-2H-indazole-4-carboxylate (CAS 885523-87-5)
- 4,5-Dibromo-2-(difluoromethoxy)benzenethiol (CAS 1803789-16-3)
- 2,5-Dibromo-4-(difluoromethoxy)benzenethiol (CAS 1803816-00-3)
Recommended Standards
- 2-bromanyl-3-iodanyl-pyridine-4-carboxylate 2-bromo-3-iodo-4-pyridinecarboxylate 848243-29-8 A840951 (CAS 848243-29-8)
- 8-Bromo-3-iodoquinoline (CAS 917251-85-5)
- Methyl 3,5-dibromobenzofuran-2-carboxylate (CAS 1355190-08-7)
- 7-Bromo-4-iodoquinoline (CAS 700871-87-0)
- Benzo[c][1,2,5]thiadiazole-4,7-dicarbonitrile (CAS 20138-79-8)
- 3-[(2-Hydroxyethyl)sulfanyl]propanoic acid (CAS 5512-67-4)
- Pentaerythritol Tribromide (CAS 1522-92-5)
- (2,5-Dioxopyrrolidin-1-yl)methyl 4-methylpiperazine-1-carbodithioate (CAS 38221-41-9)
- Lanoconazole-d3 (CAS 1185241-05-7)
- Ethyl 4-bromo-5-fluoro-2-methylbenzoate (CAS 1807043-81-7)
- 2-Chloro-6-fluoro-3-methylbenzamide (CAS 286474-60-0)
- (3-Phenyloxetan-3-yl)methanamine (CAS 497239-45-9)
- Methyl 3,5-dibromo-2-methoxybenzoate (CAS 15790-59-7)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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