Valaciclovir EP Impurity N TFA CAS 2519847-26-6 (free base)
| CAS No. | 2519847-26-6 (free base) |
| Molecular Formula | C19H25N11O5 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Valaciclovir EP Impurity N TFA (C19H25N11O5C3H3F3O) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 599.53 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).
Valaciclovir EP Impurity N TFA (CAS 2519847-26-6 (free base)) is a certified pharmaceutical impurity reference standard with the molecular formula C19H25N11O5C3H3F3O and a molecular weight of 599.53 g/mol.
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 Valaciclovir EP Impurity N TFA 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 | C19H25N11O5 C3H3F3O |
| Molecular Weight | 599.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 11 |
Related Valaciclovir Standards
- Valaciclovir EP Impurity I (CAS 102728-64-3)
- Valaciclovir EP Impurity G (CAS 1122-58-3)
- Valaciclovir EP Impurity E (CAS 124832-31-1)
- Valaciclovir EP Impurity E Enantiomer (Valacyclovir USP Related Compound E Enantiomer) (CAS 124832-32-2)
- Valaciclovir EP Impurity C(hydrochloride) (CAS 1346617-39-7)
- Valaciclovir EP Impurity D(hydrochloride) (CAS 1346617-49-9)
- Valaciclovir EP Impurity C (CAS 1346747-65-6)
- Valaciclovir EP Impurity D (CAS 1346747-69-0)
Recommended Standards
- Xanomeline impurity 22 (CAS CATO-C4X-330122)
- S-Adenosyl-L-Methionine Impurity 17 (CAS 2095880-61-6)
- Domperidone Impurity 8 (CAS 53786-45-1)
- 2-Amino-5-[(5-nitro-2-thiazolyl)thio]-1,3,4-thiadiazole (CAS 40045-50-9)
- Tert-butyl hexyl(2-hydroxyethyl)carbamate (CAS 475569-21-2)
- (5-Bromopyrimidin-4-yl)(phenyl)methanol (CAS 69927-45-3)
- 7-Chloro-3-hydroxyquinolin-2(1H)-one (CAS 185804-38-0)
- (2R,4R)-4-fluoro-2-methylpiperidine hydrochloride (CAS 2306255-55-8)
- (S)-2-(3-Amino-2,5-dioxopyrrolidin-1-yl)acetonitrile (CAS 672883-37-3)
- Pancreatic Polypeptide (rat) (CAS 90419-12-8)
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