82104-74-3
82104-74-3 structure
- Name: 1-Oxo-1,3-dihydroisobenzofuran-5-carbonitrile
- Chemical Name: 5-Cyanophthalide
- CAS Number: 82104-74-3
- Molecular Formula: C9H5NO2
- Molecular Weight: 159.141
- Catalog: Chemical reagent Organic reagent Cyanide/nitrile
- Create Date: 2018-02-11 08:00:00
- Modify Date: 2026-06-30 07:19:07
| Name | 5-Cyanophthalide |
|---|---|
| Synonyms |
5-Cyano Phthalide, CAS No. 82-3 (Used in Manufacture of Citalopram & Escitalopram)
82-3 5-Cyanophthalide 5-CYANO-3H-ISOBENZOFURANONE EINECS 279-900-2 011 1,3-Dihydro-1-oxo-5-isobenzofurancbonitrile, 5-Cyano-3H-isobenzofuranone 5-CYANO- PHTHALIDE/1-(4-FLUOROPHENYL)-1,3-DIHYROSOBENZOFURAN-5-carbonitrile 5-CyanophthaL 1,3-DIHYDRO-1-OXOISOBENZOFURAN-5-carbonitrile 1-oxo-phthalan-5-carbonitrile 5-Isobenzofurancbonitrile, 1,3-dihydro-1-oxo 5-cyano-isobenzofuran-1-one 5-Phthalidenitrile 1-oxo-3H-isobenzofuran-5-carbonitrile 1-Oxo-1,3-dihydro-2-benzofuran-5-carbonitrile Citalopram Related Compound V 1,3-DIHYDRO-1-OXO-5-ISOBENZOFURANCBONITRILE 1-OXO-1,3-DIHYDRO-2-BENZOFURAN-5-carbonitrile MFCD01072882 1,3-DIHYDRO-1-OXOISOBENZOFURAN-5-CARBONITRILE 6-cyano-1,3-dihydro-3-oxo-isobenzofuran 5-Cyanophthalide > 1,3-Dihydro-1-oxo-5-isobenzofurancarbonitrile,5-Cyano-3H-isobenzofuranone 5-cyano-3H-isobenzofuran-1-one 5-CYANOPHTHALIDE 5-Cyano pthalide Citalopram Impurity 41 1,3-DIHYDRO-1-OXO-5-ISOBENZOFURANCARBONITRILE 5-Cyanophthaleine EscitalopraM interMediate C |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 407.5±45.0 °C at 760 mmHg |
| Melting Point | 201-205 °C(lit.) |
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.141 |
| Flash Point | 199.3±15.5 °C |
| Exact Mass | 159.032028 |
| PSA | 50.09000 |
| LogP | 0.43 |
| Vapour Pressure | 0.0±1.0 mmHg at 25°C |
| Index of Refraction | 1.607 |
| Hazard Codes | Xn:Harmful |
|---|---|
| Risk Phrases | R20/21/22 |
| Safety Phrases | S36/37 |
| WGK Germany | 3 |
| HS Code | 2932999099 |
| Precursor 7 | |
|---|---|
| DownStream 9 | |
![4-[(4-fluorophenyl)-hydroxymethyl]-3-(hydroxymethyl)benzonitrile structure](https://image.chemsrc.com/caspic/168/207680-98-6.png)
![4-[4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-(hydroxymethyl)benzonitrile hydrobromide structure](https://image.chemsrc.com/caspic/222/103146-26-5.png)
| 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% |