Bendamustine Isopropyl Ester Impurity CAS 1797008-41-3
| CAS No. | 1797008-41-3 |
| Molecular Formula | C19H28ClN3O3 |
| Molecular Weight | 381.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| 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 Bendamustine Isopropyl Ester Impurity.
Bendamustine Isopropyl Ester Impurity (CAS 1797008-41-3), molecular formula C19H28ClN3O3 and molecular weight 381.90 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H28ClN3O3, Bendamustine Isopropyl Ester Impurity contains a steroid core, 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 381.90 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
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 | C19H28ClN3O3 |
| Molecular Weight | 381.90 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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; 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.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Bendamustine Standards
- Bendamustine impurity 42 (CAS CATO-C4X-127142)
- Bendamustine Impurity 7 (CAS 1138238-08-0)
- Bendamustine impurity 33 (CAS 109882-25-9)
- Bendamustine Impurity 26 (CAS 2489521-68-6)
- Bendamustine Impurity N25 (CAS 898224-95-8)
- Bendamustine-D8 Hydrochloride (CAS 1134803-33-0)
- Bendamustine Impurity 38 (CAS CATO-C4X-127138)
- Bendamustine Isopropyl Ester (CAS 1313020-25-5)
Recommended Standards
- (S)-Azelastine (CAS 143228-85-7)
- (3R,4S)-3-((4-(5-chloro-2-methoxyphenyl)-1H-pyrazol-1-yl)methyl)-4-phenylpiperidine (CAS 1820569-82-1)
- (R)-Azelastine (CAS 143228-84-6)
- 3-(2-Butyl-5-chloro-1H-imidazol-4-yl)-2,5-diphenylisoxazolidine (CAS 825645-37-2)
- 2,6-Dibromo-4-(trifluoromethyl)aniline (CAS 72678-19-4)
- 5-methylfuran-2-carboxylate (CAS 879650-58-5)
- 3-(3-Methoxyphenyl)-3h-[1,2,3]triazolo[4,5-d]pyrimidin-7-ol (CAS 1082528-78-6)
- tert-butyltriethylsilane (CAS CATO-C3D-4819)
- 4-(4-Methylpiperazin-1-yl)benzonitrile (CAS 34334-28-6)
- N-(2-Methyl-2-{[3-(trifluoromethyl)benzyl]sulfanyl}propyl)urea (CAS 339104-14-2)
- Chk2 Inhibitor (CAS 724708-21-8)
- 4-Ethylcycloheptanone (CAS 134390-78-6)
- Tenofovir Alafenamide Impurity 49 Fumarate (CAS CATO-C4X-179749)
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