2H-1-Benzopyran-2-one, 7-methoxy-4-methyl-
7-Methoxy-4-methylcoumarin
CAS: 2555-28-4
Molecular Formula: C11H10O3
2H-1-Benzopyran-2-one, 7-methoxy-4-methyl- - Names and Identifiers
| Name | 7-Methoxy-4-methylcoumarin |
| Synonyms | NSC 688805 4-Methylherniarin TIMTEC-BB SBB010006 Herniarin, 4-methyl- 7-Methoxy-4-methylcoumarin Coumarin, 7-methoxy-4-methyl- 7-Methoxy-4-methyl-chromen-2-one 7-Methoxy-4-methyl-2H-chromen-2-one 7-methoxy-4-methyl-2H-chromen-2-one 7-Methoxy-4-methyl-2H-1-benzopyran-2-one 2H-1-Benzopyran-2-one, 7-methoxy-4-methyl- 2(1H)-Benzopyran-2-one, 7-methoxy-4-methyl |
| CAS | 2555-28-4 |
| EINECS | 145-528-6 |
| InChI | InChI=1/C11H10O3/c1-7-5-11(12)14-10-6-8(13-2)3-4-9(7)10/h3-6H,1-2H3 |
2H-1-Benzopyran-2-one, 7-methoxy-4-methyl- - Physico-chemical Properties
| Molecular Formula | C11H10O3 |
| Molar Mass | 190.2 |
| Density | 1.1803 (rough estimate) |
| Melting Point | 158-160°C(lit.) |
| Boling Point | 265.69°C (rough estimate) |
| Flash Point | 140.8°C |
| Water Solubility | Soluble in Methanol. Insoluble in water. |
| Solubility | Soluble in dimethylformamide |
| Vapor Presure | 8.78E-05mmHg at 25°C |
| Appearance | Powder |
| Color | White to Off-White |
| BRN | 156900 |
| Storage Condition | 2-8°C |
| Stability | Moisture, Temperature Sensitive |
| Sensitive | Moisture and temperature sensitivity |
| Refractive Index | 1.4260 (estimate) |
| MDL | MFCD00009773 |
2H-1-Benzopyran-2-one, 7-methoxy-4-methyl- - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8-10 |
| HS Code | 29322100 |
| Hazard Note | Irritant |
2H-1-Benzopyran-2-one, 7-methoxy-4-methyl- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| Biological activity | 4-Methylherniarin (7-Methoxy-4-methylcoumarin) is a coumarin derivative and fluorescent label, with resistance to Gram-positive and Gram-negative bacterial staining activity. 4-Methylherniarin had good activity against B. subtilis and S.sonnei with IC50 values of 11.76 μg/ml and 13.47 μg/ml. |
| target | IC50: 11.76 μg/ml ( B. subtilis ); 13.47 μg/ml ( S.sonnei ) |
Last Update：2024-04-09 02:00:07
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