4543-56-0
4543-56-0 structure
- Name: Pyracin-5
- Chemical Name: 5-pyridoxolactone
- CAS Number: 4543-56-0
- Molecular Formula: C8H7NO3
- Molecular Weight: 165.14600
- Create Date: 2017-11-21 18:34:05
- Modify Date: 2026-07-14 18:19:35
| Name | 5-pyridoxolactone |
|---|---|
| Synonyms |
2-hydroxy-3-methyl-8-oxa-4-azabicyclo[4.3.0]nona-1,3,5-trien-7-one
Pyridoxic acid γ-lactone 5-pyridoxic acid lactone 2-METHYL-3-HYDROXY-4-HYDROXYMETHYL-5-CBOXYPYRIDINE LACTONE 3-Cboxy-4-(hydroxymethyl)-5-hydroxy-6-methylpyridine lactone 1,3-Dihydro-7-hydroxy-6-methyl-3-oxofuro<3,4-c>pyridin 7-hydroxy-6-methyl-1H-furo[3,4-c]pyridin-3-one Furo[3,4-c]pyridin-3(1H)-one, 7-hydroxy-6-methyl Pyridoxine Impurity 7-Hydroxy-6-methylfuro[3,4-c]pyridin-3(1H)-one 5-Pyridoxolactone Lacton von Pyridoxinsaeure-(5) |
| Density | 1.448g/cm3 |
|---|---|
| Boiling Point | 511.2ºC at 760 mmHg |
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.14600 |
| Flash Point | 263ºC |
| Exact Mass | 165.04300 |
| PSA | 59.42000 |
| LogP | 0.76600 |
| Index of Refraction | 1.625 |
| HS Code | 2934999090 |
|---|
| Precursor 9 | |
|---|---|
| DownStream 0 | |
![7-amino-6-methyl-1H-furo[3,4-c]pyridin-3-one structure](https://image.chemsrc.com/caspic/146/408314-50-1.png)
![6-methyl-7-nitro-1,5-dihydrofuro[3,4-c]pyridine-3,4-dione structure](https://image.chemsrc.com/caspic/053/89159-37-5.png)
![4-chloro-6-methyl-7-nitro-1H-furo[3,4-c]pyridin-3-one structure](https://image.chemsrc.com/caspic/144/873965-95-8.png)
![2,9,9-trimethyl-8,10-dioxa-3-azabicyclo[4.4.0]deca-2,4,11-triene-5-carboxamide structure](https://image.chemsrc.com/caspic/296/1626-11-5.png)
![4H-1,3-Dioxino[4,5-c]pyridin-5-amine,2,2,8-trimethyl structure](https://image.chemsrc.com/caspic/258/1626-12-6.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% |