6-Ethyl-7-hydroxy-4-methyl-2H-chromen-2-one CAS 1484-73-7
| CAS No. | 1484-73-7 |
| Molecular Formula | C12H12O3 |
| Molecular Weight | 204.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 6-Ethyl-7-hydroxy-4-methyl-2H-chromen-2-one (C12H12O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. 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 204.22 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
6-Ethyl-7-hydroxy-4-methyl-2H-chromen-2-one (CAS 1484-73-7), molecular formula C12H12O3 and molecular weight 204.22 g/mol, is a CATO reference standard with documented purity and traceability.
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 6-Ethyl-7-hydroxy-4-methyl-2H-chromen-2-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 | C12H12O3 |
| Molecular Weight | 204.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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.) | 1957 |
Related Ethyl Standards
- 5-Hydroxy-3,4,7-trimethyl-2H-chromen-2-one (CAS 107057-96-5)
- 3-Hydroxy-5-(2-hydroxyphenyl)cyclohex-2-en-1-one (CAS 1072069-67-0)
- Hydroxy-PEG3-acrylate (CAS 16695-45-7)
- 2-Hydroxy-2-pentylbutanedioic acid (CAS 1795212-80-4)
- 7-Hydroxy-4-propyl-2H-chromen-2-one (CAS 19225-02-6)
- 3-Ethyl-7-hydroxy-4-methyl-2h-chromen-2-one (CAS 53666-71-0)
- 4-Ethyl-5-hydroxy-7-methyl-2H-chromen-2-one (CAS 62036-49-1)
- 4-Ethyl-7-hydroxy-8-methyl-2h-chromen-2-one (CAS 426250-36-4)
Recommended Standards
- 3-Methoxy-2,7-dimethyl-4H-chromen-4-one (CAS 147590-73-6)
- Methyl 1,3-dihydrospiro[indene-2,2'-oxirane]-3'-carboxylate (CAS 1484522-90-8)
- 1-Phenylhexane-1,3,5-trione (CAS 1469-95-0)
- 1,1,6-Trimethoxyhexane-2,4-dione (CAS 1487324-16-2)
- [(1S,2S)-2-(4-Chlorophenyl)cyclopropyl]methanol (CAS 388631-88-7)
- 6-Benzothiazolecarbaldehyde (CAS 19989-67-4)
- 2-(5-Bromopyrimidin-2-yl)propan-2-ol (CAS 1193244-89-1)
- 2-Fluoropyridine-4-sulfonamide (CAS 2357160-67-7)
- 4-(Trifluoromethyl)-5,6,7,8-tetrahydrocinnolin-3(2H)-one (CAS 866474-36-4)
- N-nitroso(tetrazole) Valsartan Desvaleryl Impurity 87 (CAS CATO-C4X-105787)
- 3-Amino-5-bromoisonicotinaldehyde (CAS 1289103-05-4)
- (S)-1-(6-Methoxypyridin-2-yl)propan-1-amine (CAS 1213182-77-4)
- 7-Benzyl-6-methyl-2-phenyloctahydroindolizine (CAS 64002-69-3)
- Des-Phe22-Tirzepatide (CAS CATO-CPTD788951)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com