5,7-Dihydroxy-4-methylcoumarin CAS 2107-76-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2107-76-8 |
| Molecular Formula | C10H8O4 |
| Molecular Weight | 192.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-Dihydroxy-4-methylcoumarin (CAS 2107-76-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8O4. Molecular weight: 192.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H8O4 |
| Molecular Weight | 192.17 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
- 6,8-Dihydroxy-3-methylisocoumarin (CAS 1204-37-1)
- 3,6-dihydroxy-2-methyl-3,4-dihydroquinazolin-4-one (CAS 1322604-74-9)
- 6,7-Dihydroxy-3-methyl-2H-chromen-2-one (CAS 16574-10-0)
- 2,3-Dihydroxy-2,3-dihydronaphthalene-1,4-dione (CAS 34785-82-5)
- 4,5-Dihydroxy-6-methyl-2H-chromen-2-one (CAS 876720-70-6)
- 5,8-Dihydroxy-2-methylquinazolin-4(1H)-one (CAS 776257-58-0)
- 7,8-Dihydroxy-4-methylcoumarin (CAS 2107-77-9)
- 3,5-Dihydroxy-1,2,4-triazine-6-sulfonamide (CAS 446268-23-1)
Recommended Standards
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- 5-(4-Hydroxyphenyl)hydantoin (CAS 2420-17-9)
- 6,7,8,9,10,11,12,13,14,15-Decahydrocyclododeca[b]quinoline-16-carboxylic acid (CAS 13225-91-7)
- Licoricesaponin K2 (CAS 135815-61-1)
- 2-Methyl-4-(thiophen-2-yl)pyrimidine (CAS 154321-62-7)
- trans-1-Azaspiro[4.5]decan-8-ol hydrochloride (CAS 1992996-36-7)
- 3-(3-Bromophenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 57508-64-2)
- 4-Chloro-1-(methoxymethyl)-2-(trifluoromethyl)benzene (CAS 1824603-79-3)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
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