30992-75-7
30992-75-7 structure
- Name: 4,6-Dihydroxy-2H-1-benzopyran-2-one
- Chemical Name: 4,6-dihydroxychromen-2-one
- CAS Number: 30992-75-7
- Molecular Formula: C9H6O4
- Molecular Weight: 178.14200
- Create Date: 2016-07-07 17:50:02
- Modify Date: 2025-08-25 23:17:52
| Name | 4,6-dihydroxychromen-2-one |
|---|---|
| Synonyms |
2,6-dihydroxychromen-4-one
4,6-dihydroxy-coumarin 4,6-Dihydroxy-cumarin 4,6-dihydroxy-chromen-2-one 4,6-Dihydroxy-2H-1-benzopyran-2-one 4,6-Dihydroxycoumarin |
| Density | 1.612±0.06 g/cm3 |
|---|---|
| Melting Point | 268-270 ºC (acetone water ) |
| Molecular Formula | C9H6O4 |
| Molecular Weight | 178.14200 |
| Exact Mass | 178.02700 |
| PSA | 70.67000 |
| LogP | 1.20420 |
| Water Solubility | Slightly soluble (6.4 g/L) (25 ºC) |
| HS Code | 2932209090 |
|---|
|
~73%
30992-75-7 |
| Literature: MILLENNIUM PHARMACEUTICALS, INC. Patent: WO2003/106452 A2, 2003 ; Location in patent: Page 155 ; WO 03/106452 A2 |
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~%
30992-75-7 |
| Literature: Ziegler et al. Monatshefte fuer Chemie, 1959 , vol. 90, p. 206,210 |
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~%
30992-75-7 |
| Literature: Ziegler et al. Monatshefte fuer Chemie, 1959 , vol. 90, p. 206,210 |
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~%
30992-75-7 |
| Literature: Garden et al. Journal of the Chemical Society, 1956 , p. 3315,3317 |
| Precursor 4 | |
|---|---|
| DownStream 2 | |
![2-(5-Hydroxybenzo[d]isoxazol-3-yl)acetic Acid structure](https://image.chemsrc.com/caspic/035/34173-03-0.png)
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |