Emtricitabine Impurity 57 CAS 1773498-61-5
| CAS No. | 1773498-61-5 |
| Molecular Formula | C18H26FN3O4S |
| Molecular Weight | 399.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Emtricitabine Impurity 57.
Emtricitabine Impurity 57 (CAS 1773498-61-5) is a certified pharmaceutical impurity reference standard with the molecular formula C18H26FN3O4S and a molecular weight of 399.48 g/mol.
Structurally, Emtricitabine Impurity 57 (C18H26FN3O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 399.48 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Emtricitabine Impurity 57 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 | C18H26FN3O4S |
| Molecular Weight | 399.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Emtricitabine Standards
- Emtricitabine Impurity 16 (CAS 764659-79-2)
- Emtricitabine Menthyl Ester Impurity (CAS 764659-72-5)
- Emtricitabine Impurity 30 (CAS 147126-75-8)
- Emtricitabine impurity 53 (CAS 147027-01-8)
- Emtricitabine Impurity 59 (CAS 1422361-25-8)
- Emtricitabine O-β-D-Glucuronide (CAS 152128-78-4)
- Emtricitabine Impurity 36 (CAS CATO-C4X-123236)
- Emtricitabine Isopropyl Carbamate (CAS CATO-C4X-123217)
Recommended Standards
- Nitroso Perindopril EP impurity N (CAS CATO-C4X-125251)
- Deflazacort Impurity 1 (CAS 13649-57-5)
- Salbutamol Impurity 125 (CAS CATO-C4X-1176125)
- Alectinib impurity 21 (CAS 1256584-91-4)
- Orforglipron Impurity 17 (CAS CATO-C4X-323417)
- Oseltamivir impurity 266 (CAS 2762080-42-0)
- Vonoprazan Impurity 270 (CAS CATO-C4X-1020270)
- 5-formylfuran-2-carbonitrile (CAS 42061-89-2)
- Tedizolid Impurity 11 (CAS CATO-C4X-105411)
- 2-(4-(Phosphonomethoxy)phenyl)acetic acid (CAS 272785-61-2)
- 4-[(Methoxycarbonyl)amino]-2-methylbenzoic acid (CAS 1248431-74-4)
- Ixazomib Impurity 7 (CAS CATO-C4X-12677)
- 2-Nonylbenzimidazole (CAS 5851-50-3)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
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