Levodopa Impurity 8 CAS 4790-08-3
| CAS No. | 4790-08-3 |
| Molecular Formula | C9H7NO4 |
| Molecular Weight | 193.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 193.16 g/mol gives Levodopa Impurity 8 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, Levodopa Impurity 8 (CAS 4790-08-3, C9H7NO4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C9H7NO4, Levodopa Impurity 8 contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 193.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures Levodopa Impurity 8 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 | C9H7NO4 |
| Molecular Weight | 193.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Levodopa Standards
Recommended Standards
- Folic Acid Impurity 28 (CAS 712-29-8)
- Epinephrine /Adrenaline Impurity 133 (CAS CATO-C4X-1849133)
- Folic Acid Impurity 25 (CAS 694514-39-1)
- Nitrofurantoin Impurity 2 (CAS 777-34-4)
- Ulipristal Impurity 4 (CAS 244206-52-8)
- Perindopril EP Impurity F (CAS 129970-98-5)
- Norepinephrine impurity 140 (CAS CATO-C4X-1514140)
- 1,3-Dimethyl-5-((methylamino)methyl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 881450-62-0)
- 6-(4-Nitro-1H-pyrazol-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 956200-84-3)
- tert-Butyl 1,5-diazaspiro[3.5]nonane-5-carboxylate (CAS 1259489-91-2)
- 3-(Difluoromethyl)-6-fluoropicolinonitrile (CAS 1805276-65-6)
- N-Methoxy-N-methyl-4-phenylbutanamide (CAS 177756-65-9)
- 6-Hydroxy-2-(trifluoromethyl)nicotinaldehyde (CAS 1227514-21-7)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com