8-Hydroxy-2-methyl-4(3H)-quinazolinone CAS 90417-38-2
| CAS No. | 90417-38-2 |
| Molecular Formula | C9H8N2O2 |
| Molecular Weight | 176.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Hydroxy-2-methyl-4(3H)-quinazolinone (CAS 90417-38-2), molecular formula C9H8N2O2 and molecular weight 176.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H8N2O2, 8-Hydroxy-2-methyl-4(3H)-quinazolinone contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 176.17 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 8-Hydroxy-2-methyl-4(3H)-quinazolinone 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 | C9H8N2O2 |
| Molecular Weight | 176.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 3-Hydroxy-2-methylquinazolin-4(3H)-one (CAS 1010-70-4)
- 5-Hydroxy-4-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 106367-54-8)
- 1-(5-Hydroxy-1H-pyrrolo[2,3-b]pyridin-1-yl)ethanone (CAS 1082041-98-2)
- 4-Hydroxy-1H,1'H-[2,2'-bipyrrole]-5-carbaldehyde (CAS 108929-20-0)
- 5-Hydroxy-4-methyl-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde (CAS 1190317-04-4)
- 4-hydroxy-7-methyl-1,8-Naphthyridin-2(1H)-one (CAS 120537-66-8)
- 2-Hydroxy-N-(prop-2-yn-1-yl)nicotinamide (CAS 1209306-34-2)
- 4-Hydroxy-6-methyl-1,8-naphthyridin-2(1H)-one (CAS 1209781-71-4)
Recommended Standards
- 8-Hydroxy-2-methyl-1,2-dihydrophthalazin-1-one (CAS 2060047-92-7)
- 8-Hydroxy-3-methylquinoxalin-2(1H)-one (CAS 30748-90-4)
- 8-Hydroxy-2h-chromene-3-carbaldehyde (CAS 923112-96-3)
- 8-Methoxy-2H-chromen-2-one (CAS 2445-81-0)
- 2-Isopropyl-4-methyl-1H-benzo[d]imidazole (CAS 199594-47-3)
- 4-[(4-methyl-1h-pyrazol-1-yl)methyl]aniline (CAS 1183309-99-0)
- (11bR)-4-(2-Hydroxyphenyl)-2,6-diphenyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 1879921-26-2)
- 3,6-Bis(dimethylamino)-9H-fluoren-9-one (CAS 56860-22-1)
- 865471-20-1 2-(Morpholin-4-yl)-5-(trifluoromethyl)benzoic acid DTXSID60640284 (CAS 865471-20-1)
- 2-(Aminomethyl)-5-(trifluoromethylthio)benzo[d]oxazole (CAS 1805082-25-0)
- 2-Bromo-4-fluoronicotinonitrile (CAS 1804381-02-9)
- N-(2-(Dimethylamino)-2-(1-methyl-1H-pyrrol-2-yl)ethyl)-3-fluorobenzenesulfonamide (CAS 1049395-95-0)
- 8-Methoxychroman-3-amine (CAS 112904-73-1)
- His-Aib-Semaglutide (CAS CATO-C4X-2226220)
Why CATO?
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