Tipiracil Impurity 4 CAS CATO-C4X-10054
| CAS No. | CATO-C4X-10054 |
| Molecular Formula | C6H5ClN2O4 |
| Molecular Weight | 204.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Tipiracil Impurity 4 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.
CATO supplies Tipiracil Impurity 4 (CAS CATO-C4X-10054), a pharmacopoeial impurity reference standard (molecular formula C6H5ClN2O4, MW 204.57 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, Tipiracil Impurity 4 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 204.57 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C6H5ClN2O4 |
| Molecular Weight | 204.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Tipiracil Standards
- Tipiracil Impurity N2 (CAS 2069937-25-1)
- Tipiracil Impurity 2 (CAS CATO-C4X-10052)
- Tipiracil Impurity 9 (CAS 73742-45-7)
- Tipiracil Impurity N1 (CAS 733037-98-4)
- Tipiracil Impurity 3 (CAS CATO-C4X-10053)
- Tipiracil Impurity 12 (CAS 99478-59-8)
- Tipiracil Impurity 13 (CAS CATO-C4X-100513)
- Tipiracil Impurity 1 (CAS CATO-C4X-10051)
Recommended Standards
- 5-Chloro-2-methoxy-4-nitropyridine 1-oxide (CAS 742072-78-2)
- 2-Chloro-4-fluoro-3-methoxybenzoic acid (CAS 1055968-55-2)
- 2-chloro-6-methoxy-5-nitropyrimidin-4-amine (CAS 519047-11-1)
- 4-Chloro-2-fluoro-6-methoxybenzoic acid (CAS 1082042-25-8)
- Azilsartan Impurity 48 (CAS CATO-C4X-109648)
- Tigecycline Impurity 7 (CAS 1268494-40-1)
- Gefitinib impurity 65 (CAS CATO-C4X-111765)
- (2R,3R,4R,5R)-4-(((2S,3R,4S,5S,6R)-3,5-Dihydroxy-6-(hydroxymethyl)-4-(((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-2,3,5,6-tetrahydroxyhexanal (CAS 41744-59-6)
- Ethyl 3-amino-3-(5-bromo-2-fluorophenyl)propanoate hydrochloride (CAS 502842-16-2)
- 1-Nitro-1H-imidazole (CAS 1235329-65-3)
- 5-Bromo-2-chloroaniline hydrochloride (CAS 15327-48-7)
- 1,5-Dimethoxyisoquinoline-7-carboxylic acid (CAS 921761-13-9)
- Methyl 4-(quinazolin-4-ylamino)benzoate (CAS 421576-30-9)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
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