8-Amino-7-hydroxy-4-methyl-2H-chromen-2-one CAS 24618-19-7
| CAS No. | 24618-19-7 |
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 8-Amino-7-hydroxy-4-methyl-2H-chromen-2-one (CAS 24618-19-7), a certified reference material (molecular formula C10H9NO3, MW 191.18 g/mol) for analytical method development and quality control.
Structurally, 8-Amino-7-hydroxy-4-methyl-2H-chromen-2-one (C10H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 191.18 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 8-Amino-7-hydroxy-4-methyl-2H-chromen-2-one 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 | C10H9NO3 |
| Molecular Weight | 191.18 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 methanol, ethanol, DMSO |
| 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.) | 1964 |
| Nitrogen Atoms | 1 |
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- 8-Nitro-3,4-dihydronaphthalen-1(2H)-one (CAS 58161-31-2)
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- 3-(Aminomethyl)-6-fluoropyridine (CAS 205744-17-8)
- Benzo[d][1,3]dithiole (CAS 274-30-6)
- Tegoprazan Impurity 110 (CAS CATO-C4X-2297110)
- (R)-4-(tert-Butoxy)-4-oxo-2-(thiophen-2-yl)butanoic acid (CAS 207120-62-5)
- (S)-2-(tert-Butoxy)-2-(7-(4-chlorophenyl)-5-methyl-2-(1-methyl-3-(1-(oxetan-3-yl)piperidin-4-yl)-1H-indazol-5-yl)benzo[d]thiazol-6-yl)acetic acid (CAS 2219362-41-9)
- Regorafenib Impurity 45 (CAS CATO-C4X-104745)
- tert-butyl 3-(1-methyl-1H-1,2,4-triazol-5-yl)morpholine-4-carboxylate (CAS 1803584-02-2)
- 2-Bromoethyl-d4-amine Hydrobromide (CAS 918633-70-2)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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