3172-99-4
3172-99-4 structure
- Name: Coumestrol dimethyl ether
- Chemical Name: 3,9-dimethoxy-[1]benzofuro[3,2-c]chromen-6-one
- CAS Number: 3172-99-4
- Molecular Formula: C17H12O5
- Molecular Weight: 296.27400
- Create Date: 2018-08-16 18:04:45
- Modify Date: 2025-08-26 22:32:54
| Name | 3,9-dimethoxy-[1]benzofuro[3,2-c]chromen-6-one |
|---|---|
| Synonyms |
7,4'-di-O-methylcoumestrol
3,9-dimethoxy-benzofuro[3,2-c]chromen-6-one Coumestrol dimethyl ether 3,9-dimethoxy-6H-benzofuro[3,2-c]chromen-6-one 3,9-Dimethoxy-benzofuro[3,2-c]chromen-6-on 7,12-Dimethoxy-coumestan Di-O-methylcoumestrol 3,9-Dimethylcoumestan coumestrol dimethyl ether 3,9-Dimethoxy-6H-benzofuro<3,2-c><1>-benzopyranon-(6) |
| Density | 1.355g/cm3 |
|---|---|
| Boiling Point | 486.1ºC at 760 mmHg |
| Molecular Formula | C17H12O5 |
| Molecular Weight | 296.27400 |
| Flash Point | 247.8ºC |
| Exact Mass | 296.06800 |
| PSA | 61.81000 |
| LogP | 3.70960 |
| Index of Refraction | 1.643 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | 36/37/38 |
| Safety Phrases | 26 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2932999099 |
| Precursor 10 | |
|---|---|
| DownStream 1 | |
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |