N-Methylpyrrolidone EP Impurity H CAS 1121-07-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1121-07-9 |
| Molecular Formula | C5H7NO2 |
| Molecular Weight | 113.11 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-Methylpyrrolidone EP Impurity H (CAS 1121-07-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H7NO2. Molecular weight: 113.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H7NO2 |
| Molecular Weight | 113.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-5-oxopyrrolidine-3-carbaldehyde (CAS 1101167-75-2)
- glutarimide (CAS 1121-89-7)
- 3-cyanobutanoic acid (CAS 108747-49-5)
- Indobufen Impurity 5 (CAS CATO-C4X-17925)
- Famciclovir Impurity 36 (CAS 172645-79-3)
- 2-((5-Cyano-6-methyl-2-oxo-1,2-dihydropyrimidin-4-yl)thio)-N-(furan-2-ylmethyl)acetamide (CAS 899993-24-9)
- hexane-3-thiol (CAS 1633-90-5)
- TRans (+/-)-2-((r)-1-phenylethylamino)cyclopentanol (CAS 98237-96-8)
- 2-((2-Methylbut-3-yn-2-yl)oxy)tetrahydro-2H-pyran (CAS 27943-46-0)
- Semaglutide impurity 50 (CAS 2773558-66-8)
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