Nitroso Lomustine EP Impurity B CAS 54749-91-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 54749-91-6 |
| Molecular Formula | C9H16ClN3O2 |
| Molecular Weight | 233.70 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Nitroso Lomustine EP Impurity B (CAS 54749-91-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C9H16ClN3O2. Molecular weight: 233.70 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H16ClN3O2 |
| Molecular Weight | 233.70 g/mol |
| Appearance | 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, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 2-Chloro-N,N-dimethyl-5-phenylpyrimidin-4-amine (CAS 771555-68-1)
- 3-(4-Chlorophenyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridine (CAS 400074-63-7)
- 2-Chloro-n,6-dimethyl-n-phenylpyrimidin-4-amine (CAS 93669-49-9)
- Ceftriaxone Impurity 26 (CAS 77780-49-5)
- Valaciclovir EP Impurity C (CAS 1346747-65-6)
- (S)-tert-Butyl 3-((dimethylamino)methyl)piperidine-1-carboxylate (CAS 254905-64-1)
- 5-Chloro-2-cyclopropoxy-N-methylaniline (CAS 1243327-47-0)
- 7-Methoxyindolizine-1-carbonitrile (CAS 1246845-51-1)
- (5-Aminopentyl)-carbamic acid allyl ester hydrochloride (CAS 1049721-59-6)
- Renin Inhibitor Peptide (CAS 50410-01-0)
Why CATO?
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