Erythromycin EP Impurity L CAS 127955-44-6
Purity >93%In StockPharmacopoeial Impurity Standards
| CAS No. | 127955-44-6 |
| Molecular Formula | C37H65NO14 |
| Molecular Weight | 747.91 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Erythromycin EP Impurity L (CAS 127955-44-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C37H65NO14. Molecular weight: 747.91 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C37H65NO14 |
| Molecular Weight | 747.91 g/mol |
| Purity | >93% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Related Erythromycin Standards
- Erythromycin EP Impurity C (CAS 41451-91-6)
- Erythromycin Impurity 50 (CAS 37152-22-0)
- Erythromycin thiocyanate impurity A rearranged derivative (CAS CATO-C4X-100173)
- (9Z)-Erythromycin A Oxime (CAS 134931-01-4)
- Erythromycin Z Oxime (CAS CATO-C4X-100129)
- Erythromycin Impurity 39 (CAS CATO-C4X-100139)
- Erythromycin thiocyanate impurity C reduced derivative (CAS CATO-C4X-100167)
- Erythromycin A 9-Oxime (Mixture of Z and E Isomers) (CAS 13127-18-9)
Recommended Standards
- TRAP-6 amide (CAS 141923-40-2)
- 2,2'-((2-((2-(Benzylcarbamoyl)phenoxy)methyl)-2-methylpropane-1,3-diyl)bis(oxy))bis(n-benzylbenzamide) (CAS 438457-74-0)
- Eribulin Impurity 1 (CAS CATO-C4X-26501)
- Cefradine Impurity 17 (CAS CATO-C4X-121517)
- Vincristine EP Impurity G (CAS CATO-C4X-20897)
- 2,2′,6-Trichlorobisphenol A (CAS 40346-55-2)
- 4-(Furan-2-yl)-2-sulfanyl-5h,6h,7h-cyclopenta[b]pyridine-3-carbonitrile (CAS 83989-89-3)
- Diethyl 5,6,7,8-tetrahydroquinazoline-2,4-dicarboxylate (CAS 117663-61-3)
- N'-(5,8-Dioxo-2,3,5,8-tetrahydro-1H-pyrazolo[1,2-a]pyridazin-1-yl)formohydrazide (CAS 474333-25-0)
- HA Peptide (CAS 92000-76-5)
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