7,8-Dihydroxy-3,4-dimethyl-2h-chromen-2-one CAS 1658-73-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1658-73-7 |
| Molecular Formula | C11H10O4 |
| Molecular Weight | 206.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7,8-Dihydroxy-3,4-dimethyl-2h-chromen-2-one (CAS 1658-73-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H10O4. Molecular weight: 206.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H10O4 |
| Molecular Weight | 206.19 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 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.) | 1957 |
Related Dihydroxy Standards
- Ethyl 2,2-dihydroxy-4-ethoxy-3-oxobutanoate (CAS 1000018-28-9)
- 5,7-Dihydroxy-3,4-dimethyl-2H-chromen-2-one (CAS 103986-39-6)
- 4-Ethyl-6,7-dihydroxy-2H-chromen-2-one (CAS 16574-07-5)
- 6,7-Dihydroxy-3,4-dimethyl-2H-chromen-2-one (CAS 16574-11-1)
- 1-(5,6-Dihydroxy-2-methylbenzofuran-3-yl)ethanone (CAS 189828-67-9)
- 4-Ethyl-7,8-dihydroxy-2H-chromen-2-one (CAS 19040-66-5)
- 4,7-Dihydroxy-2,3-dimethylbenzofuran-6-carbaldehyde (CAS 19665-71-5)
- 3-Ethyl-5,7-dihydroxy-4H-chromen-4-one (CAS 76693-50-0)
Recommended Standards
- 3,3-Dimethyl-1-oxo-1,3-dihydroisobenzofuran-5-carboxylic acid (CAS 168060-86-4)
- 2-Fluoro-4-(4-fluorophenyl)phenol (CAS 168158-52-9)
- ethyl 3,3-difluoro-4-oxocyclohexane-1-carboxylate (CAS 1644571-40-3)
- 7780-06-5 Cinnamic acid, isopropyl ester Isopropyl cinnamate 2-Propenoic acid, 3-phenyl-, 1-methylethyl ester 2-09-00-00387 (Beilstein Handbook Reference) AI3-02026 BRN 1908938 EINECS 231-949-0 FEMA No. 2939 Isopropyl 3-phenylpropenoate Isopropylester kyseliny skoricove [Czech] 1-Methylethyl 3-phenylpropenoate 1-Methylethyl 3-phenyl-2-propenoate Isopropylester kyseliny skoricove (CAS 7780-06-5)
- N-[4-(Chloromethyl)-1,3-thiazol-2-yl]-N-cyclopropylacetamide (CAS 1306603-84-8)
- tert-Butyl (2-((S)-2-amino-3-methylbutanamido)cyclohexyl)(ethyl)carbamate (CAS 1354026-16-6)
- 3-(5-Chloro-2-methoxyphenyl)prop-2-yn-1-ol (CAS 1141049-66-2)
- 3-(4-Hydroxy-3-methoxyphenyl)acryloyl chloride (CAS 138769-50-3)
- Prusogliptin Impurity 6 (CAS CATO-C4X-32846)
- Mast Cell Degranulating (MCD) Peptide (CAS 32908-73-9)
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 13829788188 / jacky.chen@cato-chem.com