67268-37-5
67268-37-5 structure
- Name: 4H-Furo[3,2-b]pyrrole-5-carboxylic acid
- Chemical Name: 4H-Furo[3,2-b]pyrrole-5-carboxylic acid
- CAS Number: 67268-37-5
- Molecular Formula: C7H5NO3
- Molecular Weight: 151.11900
- Create Date: 2018-04-24 08:00:00
- Modify Date: 2025-08-22 11:50:05
| Name | 4H-Furo[3,2-b]pyrrole-5-carboxylic acid |
|---|---|
| Synonyms |
BB_SC-8241
5-carboxyfuro[3,2-b]pyrrole,1 5-carboxyfuro[3,2-b]pyrrole 4H-Furo<3,2-b>pyrrol-5-carbonsaeure |
| Density | 1.288g/cm3 |
|---|---|
| Boiling Point | 298.307ºC at 760 mmHg |
| Molecular Formula | C7H5NO3 |
| Molecular Weight | 151.11900 |
| Flash Point | 134.212ºC |
| Exact Mass | 151.02700 |
| PSA | 66.23000 |
| LogP | 1.45910 |
| Appearance | powder，white to light brown |
| Index of Refraction | 1.595 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Phrases | 36/37/38 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2934999090 |
| Precursor 10 | |
|---|---|
| DownStream 1 | |
![Ethyl4h-furo[3,2-b]pyrrole-5-carboxylate structure](https://image.chemsrc.com/caspic/200/35405-94-8.png)
![Methyl 4H-furo[3,2-b]pyrrole-5-carboxylate structure](https://image.chemsrc.com/caspic/350/77484-99-2.png)
![(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl 4H-furo[3,2-b]pyrrole-5-carboxylate structure](https://image.chemsrc.com/caspic/358/1207616-85-0.png)
![1-(isobutyryloxy)ethyl 4H-furo[3,2-b]pyrrole-5-carboxylate structure](https://image.chemsrc.com/caspic/075/1207616-75-8.png)
![1-(cyclohexyloxycarbonyloxy)ethyl 4H-furo[3,2-b]pyrrole-5-carboxylate structure](https://image.chemsrc.com/caspic/413/1207616-79-2.png)
![2-(4-morpholinobutanoyloxy)ethyl 4H-furo[3,2-b]pyrrole-5-carboxylate structure](https://image.chemsrc.com/caspic/482/1207616-82-7.png)
![4H-furo[3,2-b]pyrrole-5-carboxamide structure](https://image.chemsrc.com/caspic/444/1207616-83-8.png)
![N-(2-amino-2-oxoethyl)-4H-furo[3,2-b]pyrrole-5-carboxamide structure](https://image.chemsrc.com/caspic/406/1207616-84-9.png)
![2-oxo-1,3-dioxolan-4-yl 4H-furo[3,2-b]pyrrole-5-carboxylate structure](https://image.chemsrc.com/caspic/320/1207616-86-1.png)
![4,4-dimethyl-1,5-dioxa-3b-aza-cyclopenta[a]pentalen-6-one structure](https://image.chemsrc.com/caspic/065/1207616-53-2.png)
![4H-furo[3,2-b]pyrrole structure](https://image.chemsrc.com/caspic/192/250-91-9.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |