Clarithromycin EP Impurity E CAS 81103-14-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 81103-14-2 |
| Molecular Formula | C39H71NO13 |
| Molecular Weight | 761.98 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Clarithromycin EP Impurity E (CAS 81103-14-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C39H71NO13. Molecular weight: 761.98 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C39H71NO13 |
| Molecular Weight | 761.98 g/mol |
| Purity | >95% |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
Related Clarithromycin Standards
- Clarithromycin EP Impurity F (CAS 128940-83-0)
- Clarithromycin EP Impurity P (CAS 123967-58-8)
- Clarithromycin Impurity 21 (CAS CATO-C4X-100221)
- Clarithromycin EP Impurity H (CAS 127140-69-6)
- Clarithromycin 9-Oxime (CAS 103450-87-9)
- Clarithromycin EP Impurity C (CAS 127253-06-9)
- Clarithromycin EP Impurity L (CAS 127253-05-8)
- Clarithromycin EP Impurity A (CAS 124412-58-4)
Recommended Standards
- N-formyl-175-J (CAS 1382419-20-6)
- (1S,2S)-1-((2R,3R,4S,6S)-3-acetamido-4-acetoxy-6-((1-acetyl-5-bromo-4-chloro-1H-indol-3-yl)oxy)-6-(methoxycarbonyl)tetrahydro-2H-pyran-2-yl)propane-1,2,3-triyl triacetate (CAS 153248-53-4)
- 3-((1-(1-(1H-Indol-3-yl)-2-phenylvinyl)naphthalen-2-yl)amino)-4-(((6-methoxyquinolin-4-yl)(5-vinylquinuclidin-2-yl)methyl)amino)cyclobut-3-ene-1,2-dione (CAS 2484838-16-4)
- Crizotinib impurity 40 (CAS CATO-C4X-102540)
- Cefotaxime EP Impurity G (CAS 2489535-06-8)
- 3,5-Dichloro-4-isopropoxyphenol (CAS 1394927-31-1)
- 2-(5-Bromothiophen-2-yl)pyrimidin-5-amine (CAS 1094373-80-4)
- Methyl (2Z)-3-[(2H-1,3-benzodioxol-5-yl)amino]-2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]prop-2-enoate (CAS 477888-11-2)
- 1-Methylpyrrolidin-3-yl 4-aminobenzoate (CAS 802324-32-9)
- Tirzepatide Impurity 36 (CAS CATO-C4X-324036)
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