N-Nitroso Pseudoephedrine (N-Nitroso Ephedrine HCl EP Impurity B) CAS 1850-88-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1850-88-0 |
| Molecular Formula | C10H14N2O2 |
| Molecular Weight | 194.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
N-Nitroso Pseudoephedrine (N-Nitroso Ephedrine HCl EP Impurity B) (CAS 1850-88-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H14N2O2. Molecular weight: 194.23 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H14N2O2 |
| Molecular Weight | 194.23 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related N Standards
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Recommended Standards
- Apalutamide Impurity 63 (CAS 199330-60-4)
- 1-Hydroxyphenanthrene (CAS 2433-56-9)
- 4-Butoxybenzoic acid (CAS 1498-96-0)
- Sorafenib Impurity 44 (CAS CATO-C4X-112444)
- Betamethasone Impurity 76 (CAS 5534-01-0)
- Iminoctadine (CAS 13516-27-3)
- 2-Chloro-4-methyl-thiazole-5-sulfonyl chloride (CAS 292138-59-1)
- 2-(4-Bromo-1-methyl-1h-pyrazol-5-yl)ethanamine (CAS 1017788-72-5)
- 2-Methoxypyridine-3-carboxamide (CAS 7145-28-0)
- 103244-41-3 Insulin-like Growth Factor-II fragment 33-40 Ser-Arg-Val-Ser-Arg-Arg-Ser-Arg (CAS 103244-41-3)
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 13829788188 / jacky.chen@cato-chem.com