Regadenoson Impurity 49 CAS 120595-74-6
| CAS No. | 120595-74-6 |
| Molecular Formula | C10H12ClN5O4 |
| Molecular Weight | 301.69 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 Regadenoson Impurity 49.
As a process- or degradation-related impurity, Regadenoson Impurity 49 (CAS 120595-74-6, C10H12ClN5O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C10H12ClN5O4, Regadenoson Impurity 49 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 301.69 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H12ClN5O4 |
| Molecular Weight | 301.69 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 |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Regadenoson Standards
- Regadenoson Impurity 48 (CAS 10147-12-3)
- Regadenoson Impurity 13 (CAS 72635-67-7)
- Regadenoson Impurity 15 (CAS 2015222-35-0)
- Regadenoson Impurity 21 (CAS 146-77-0)
- Regadenoson Impurity 22 (CAS 2004-07-1)
- Regadenoson Impurity 11 (CAS 24723-77-1)
- Regadenoson Impurity 19 (CAS CATO-C4X-198519)
- Regadenoson Impurity 28 (CAS 3868-34-6)
Recommended Standards
- (2R,3S,4S,5R)-Regadenoson (CAS CATO-C4X-198544)
- 2-(4-Chlorophenyl)-6-fluoroquinoline-4-carboxylic acid (CAS 17900-11-7)
- (2E)-3-(2-Chloro-6-fluorophenyl)-1-[2-(1H-triazirin-1-yl)phenyl]prop-2-en-1-one (CAS 338779-99-0)
- 2-(((4-Chlorophenyl)sulfonyl)methyl)-5-nitrofuran (CAS 61266-27-1)
- Hydroxymethyl Coumarin Impurity 7 (CAS 52751-48-1)
- Atropine Impurity 17 (CAS 16202-15-6)
- Probucol Impurity 11 (CAS 4673-51-2)
- (E)-3-(2-Fluoro-4-methoxyphenyl)acrylic acid (CAS 696589-22-7)
- [6-Chloro-5-(trifluoromethyl)pyridin-3-yl]boronic acid (CAS 2096336-32-0)
- Dichlorodicyclopentylsilane (CAS 139147-73-2)
- 2,4-Dichloro-3-nitrobenzodifluoride (CAS 1804897-31-1)
- (R)-2-Aminopropanehydrazide (CAS 769064-38-2)
- 2-(4-Fluoro-3-(trifluoromethyl)phenyl)propan-2-amine (CAS 1226867-02-2)
- 3AEEA-Semaglutide(Endo-AEEA-Semaglutide) (CAS CATO-C4X-2226265)
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