139658-04-1
139658-04-1 structure
- Name: (r)-6-methoxy-2,5,7,8-tetramethylchromane-2-carboxylic acid
- Chemical Name: (2R)-6-methoxy-2,5,7,8-tetramethyl-3,4-dihydrochromene-2-carboxylic acid
- CAS Number: 139658-04-1
- Molecular Formula: C15H20O4
- Molecular Weight: 264.31700
- Catalog: analytical chemistry Analytical reagent Common analytical reagents
- Create Date: 2018-12-24 11:57:14
- Modify Date: 2024-01-09 11:58:23
| Name | (2R)-6-methoxy-2,5,7,8-tetramethyl-3,4-dihydrochromene-2-carboxylic acid |
|---|---|
| Synonyms | i04-1515 |
| Melting Point | 149-155ºC |
|---|---|
| Molecular Formula | C15H20O4 |
| Molecular Weight | 264.31700 |
| Exact Mass | 264.13600 |
| PSA | 55.76000 |
| LogP | 2.78870 |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Safety Phrases | 22-24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2932999099 |
| 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% |