erythro-m-Chloramphenicol CAS 138125-71-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138125-71-0 |
| Molecular Formula | C11H12Cl2N2O5 |
| Molecular Weight | 323.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
erythro-m-Chloramphenicol (CAS 138125-71-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H12Cl2N2O5. Molecular weight: 323.13 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H12Cl2N2O5 |
| Molecular Weight | 323.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related erythro Standards
- D-erythro-Chloramphenicol (CAS 7387-98-6)
- L-erythro-Chloramphenicol (CAS 7384-89-6)
- 6918-49-6 D-erythro-sphingosine (C20 base) Sphingosine (d20:1) (CAS 6918-49-6)
- D-erythro-N,N-Dimethylsphingosine (CAS 119567-63-4)
- Erythro-Chloramphenicol D5 (ring D4, benzyl D) 100 µg/mL in Acetonitrile (CAS 1426174-26-6)
- D-erythro-Sphingosine-C19 (CAS 31148-92-2)
- D-erythro-N,N-Dimethylsphingosine-d (CAS 171827-65-9)
- rac erythro-3-(4-Nitrobenzamido)nonan-2-ol (CAS 119691-06-4)
Recommended Standards
- (6-Iodo-4-methylpyridin-3-yl)(phenyl)methanone (CAS 1355188-59-8)
- threo-m-Chloramphenicol (CAS 138125-72-1)
- (6-Iodo-5-methylpyridin-3-yl)(phenyl)methanone (CAS 1355182-85-2)
- Methyl 1-(3,4-dichlorobenzoyl)-1H-indole-3-carboxylate (CAS 426252-38-2)
- retro-Vitamin A acetate (CAS 7631-44-9)
- 3,3-Difluoro-4-(4-Morpholinyl)-4-Oxobutanal (CAS 149229-29-8)
- 3-acetamido-3-(2-ethoxyphenyl)propanoic acid (CAS 1225494-93-8)
- 4-(4-Fluorophenyl)-5-((pyrimidin-2-ylthio)methyl)-4h-1,2,4-triazole-3-thiol (CAS 887205-28-9)
- Methyl 2-(5-hydroxypyridin-2-yl)acetate (CAS 1256818-36-6)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
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