Regadenoson Impurity 57 CAS 52921-40-1
| CAS No. | 52921-40-1 |
| Molecular Formula | C16H20N6O7 |
| Molecular Weight | 408.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Regadenoson Impurity 57 (C16H20N6O7) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Regadenoson Impurity 57 (CAS 52921-40-1), a pharmacopoeial impurity reference standard (molecular formula C16H20N6O7, MW 408.37 g/mol) used for the identification and quantification of trace impurities in APIs.
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 Regadenoson 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 | C16H20N6O7 |
| Molecular Weight | 408.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 6 |
Related Regadenoson Standards
- Regadenoson Impurity 6 (CAS 313348-16-2)
- Regadenoson Impurity 20 (CAS 313348-33-3)
- Regadenoson Impurity 2 (CAS CATO-C4X-19852)
- Regadenoson Impurity 30 (CAS 765299-55-6)
- Regadenoson Impurity 7 (CAS CATO-C4X-19857)
- Regadenoson Impurity N9 (CAS 313348-31-1)
- Regadenoson Impurity 31 (CAS CATO-C4X-198531)
- Regadenoson Impurity 59 (CAS CATO-C4X-198559)
Recommended Standards
- N-(benzo[d][1,3]dioxol-5-yl)-3-(4-ethylphenyl)-3-(2,2,2-trifluoroacetamido)propanamide (CAS 439107-54-7)
- Tosufloxacin-D4 (CAS CATO-CCAD304671)
- 2,6-Bis((2-chlorobenzyl)thio)pyrimidin-4-amine (CAS 6299-26-9)
- Trifloxystrobin (CAS 141517-21-7)
- Ilaprazole Impurity 50 (CAS 2285346-38-3 (free base))
- Capecitabine Impurity 37 (CAS CATO-C4X-102437)
- Lodoxamide lmpurity 17 (CAS 84944-23-0)
- 3-Methoxy-4,4'-dinitro-1'h-1,3'-bipyrazole (CAS 1171733-17-7)
- 2-(2-Chloro-6-fluorobenzyl)-1-phenylbutane-1,3-dione (CAS 477845-55-9)
- N-(cyclohexylmethyl)-3-(1H-imidazol-1-yl)propan-1-amine (CAS 279236-39-4)
- 2-Ethyl-5-phenylfuran (CAS 57044-49-2)
- (S)-2-Amino-2-(4-chloro-3-(trifluoromethyl)phenyl)ethanol hydrochloride (CAS 1810074-79-3)
- Lidocaine Impurity 79 (CAS CATO-C4X-167979)
- Insulin Degludec Impurity 11 (CAS CATO-C4X-215711)
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