Remdesivir Impurity 44 CAS 937046-97-4
| CAS No. | 937046-97-4 |
| Molecular Formula | C5H5N3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Remdesivir Impurity 44 is closely related to a nitrile group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Remdesivir Impurity 44 (CAS 937046-97-4) is a high-purity analytical reference standard with the molecular formula C5H5N3HCl and a molecular weight of 143.57 g/mol.
Based on its molecular formula C5H5N3HCl, Remdesivir Impurity 44 contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 143.57 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Remdesivir Impurity 44 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 | C5H5N3 HCl |
| Molecular Weight | 143.57 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Remdesivir Standards
- Remdesivir Impurity 44 (CAS 1187550-21-5)
- Remdesivir Impurity 42 (CAS 1191237-66-7)
- Remdesivir Impurity 5 (CAS 1191237-69-0)
- Remdesivir Impurity 9 (CAS 1191237-80-5)
- Remdesivir Impurity 25 (CAS 1256490-31-9)
- Remdesivir Impurity 38 (CAS 13199-25-2)
- Remdesivir Impurity 8 (CAS 1354823-36-1)
- Remdesivir Impurity 34 (CAS 1354823-37-2)
Recommended Standards
- 2-(5-Bromo-2-fluoro-3-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1638847-72-9)
- 2-Bromo-4-nitrobenzoic Acid (CAS 16426-64-5)
- (R)-1-(Oxazol-5-yl)ethanamine (CAS 1604364-49-9)
- [(1R,2R)-2-formylcyclobutyl]methyl acetate (CAS 371784-53-1)
- 5-Chloro-N-(2-((4-methoxyphenyl)amino)-2-oxoethyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide (CAS 956501-59-0)
- 2-chloro-N-[(pyridin-2-yl)methyl]aniline (CAS 31309-47-4)
- tert-Butyl 1,7-diazaspiro[3.5]nonane-7-carboxylate hydrochloride (CAS 1955492-91-7)
- Bis(4-methylquinolin-6-yl)methane (CAS 855639-83-7)
- N-(3-(trifluoromethyl)phenyl)benzofuran-2-carboxamide (CAS 302583-11-5)
- Tirzepatide Impurity 16 (CAS CATO-C4X-324016)
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