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Escitalopram Oxalate
Uses:
Escitalopram is used to treat depression and anxiety. It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. Escitalopram belongs to a class of drugs known as selective serotonin reuptake inhibitors (SSRI)
Identifiers
- CAS No:
- [128196-01-0]
- BRN No:
- -
- UN No:
- -
Properties
- Molecular Formula:
- C20H21FN2O *C2H2O4
- Molecular Weight:
- 414.40 g/mol
Specifications
| Sr. No. | Test | Limits |
|---|---|---|
| 1 | Description | Fine, white to slightly yellow crystalline powder |
| 2 | Solubility | Freely soluble in Methanol and Dimethylsulfoxide, sparingly soluble in Water and in Alcohol, Very slightly soluble in Ethyl acetate and Isopropyl alcohol, insoluble in HeptaneNMT 3.0% |
| 3 | Identification | |
| a. By FTIR | The infrared absorption spectrum of the sample preparation should be concordant with that of the infrared absorption spectrum of standard preparation | |
| b. By HPLC | In the test for Assay, the retention time of the principal peak as obtained in the chromatogram of sample should correspond to that obtained in the chromatogram of standard | |
| c. Test for Oxalate | It should comply with the test | |
| 4 | Water by KF (%, w/w) | Not more than 1.0 |
| 5 | Residue on Ignition (%, w/w) | Not more than 0.1 |
| 6 | Heavy Metals (ppm) | Not more than 0.1 |
| 7 | Enantiomeric Purity by HPLC (%,w/w) | Not more than 3.0 |
| 8 | Related Substances by HPLC (%, w/w) Test-2 | |
| 5-Dimethylaminobutyryl Citalopram | Not more than 0.2 | |
| Citalopram related compound A | Not more than 0.1 | |
| Citalopram related compound B | Not more than 0.1 | |
| Citalopram related compound C | Not more than 0.1 | |
| Citalopram related compound D | Not more than 0.1 | |
| Citalopram related compound E | Not more than 0.1 | |
| Individual unspecified impurity | Not more than 0.1 | |
| Total impurities | Not more than 0.5 | |
| 9 | Assay by HPLC (%, w/w),(As“ C20H21FN2O.C2H2O4”, On anhydrous basis) | Not more than 0.5 |
