Escitalopram USP Related Compound A CAS 128173-53-5
| CAS No. | 128173-53-5 |
| Molecular Formula | C20H18O8 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 728.77 g/mol gives Escitalopram USP Related Compound A distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Escitalopram USP Related Compound A (CAS 128173-53-5) is a high-purity analytical reference standard with the molecular formula C20H18O8C20H23FN2O2 and a molecular weight of 728.77 g/mol.
Structurally, Escitalopram USP Related Compound A (C20H18O8C20H23FN2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 728.77 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Escitalopram USP Related Compound A under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H18O8 2*C20H23FN2O2 |
| Molecular Weight | 728.77 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Escitalopram Standards
- Escitalopram Impurity 2 (CAS 103146-25-4)
- Escitalopram EP Impurity L Oxalate (CAS 1093072-86-6)
- Escitalopram Impurity 60 (CAS 1219803-58-3)
- Escitalopram EP Impurity K (CAS 128196-02-1)
- EsCitalopram EP Impurity I (CAS 1370643-22-3)
- Escitalopram EP Impurity M (CAS 1881237-26-8)
- Escitalopram EP Impurity F (CAS 2102609-59-4)
- Escitalopram EP Impurity K Oxalate (CAS 219861-53-7)
Recommended Standards
- 2-Butylamino-6-chloropyrazine (CAS 951884-06-3)
- R-(+)-1,2-Bis(diphenylphosphino)propane 67884-32-6 (R)-(+)-BIS-(1,2-DIPHENYLPHOSPHINO)PROPANE;(R)-(+)-PROPHOS;(R)-(+)-PROPYLENEBIS(1,2-DIPHENYLPHOSPHINE);(R)-PROPHOS;R-(+)-1,2-BIS(DIPHENYLPHOSPHINO)PROPANE SC11384 (CAS 67884-32-6)
- 93261-39-3 KS-00002WWR napthalen-1-yl 3,5-dinitrobenzoate (CAS 93261-39-3)
- Methyl (1S,2R,3R,4R)-3-((tert-butoxycarbonyl)amino)bicyclo[2.2.2]Oct-5-ene-2-carboxylate (CAS 2123439-98-3)
- 3-Ethenyl-4-methylpyridine (CAS 45658-39-7)
- 3,6,6-Trimethyl-1-(o-tolyl)-1,5,6,7-tetrahydro-4H-indazol-4-one (CAS 442643-10-9)
- 2-(Bromomethyl)-3,5,6-trichloropyridine (CAS 1805597-91-4)
- 4-Chloro-2-(difluoromethyl)-1H-benzo[d]imidazole (CAS 1342424-21-8)
- 1-(3-Methylcyclohexyl)piperazine dihydrochloride (CAS 1609408-92-5)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com