Chloramphenicol (CAS 56-75-7) — formula C11.H12.Cl2.N2.O5, molecular weight 323.13; category pharmaceutical intermediates and APIs.
Chloramphenicol (CAS 56-75-7) is a pharmaceutical intermediates and APIs. Its molecular formula C11.H12.Cl2.N2.O5 comprises 11 C, 12 H, 2 Cl, 2 N, 5 O atoms. Its molecular weight is about 323.13. Reported physicochemical data: melting point around 171, LogP about 1.14. Pharmaceutical intermediates and APIs are critical building blocks for drug synthesis, with strict requirements on purity, impurities and process consistency. Used in API synthesis, formulation and pre-clinical research; supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 56-75-7 |
|---|---|
| Molecular Formula | C11.H12.Cl2.N2.O5 |
| Molecular Weight | 323.13 |
| Melting Point | 171 |
| LogP | 1.14 |
| Applications | Broad-spectrum antibiotic, Anti-Bacterial Agents, Protein Synthesis Inhibitors, MEDICATION, MEDICATION (VET), Use (kg |
| Category | Pharmaceutical Intermediates & APIs |
Documented applications: Broad-spectrum antibiotic, Anti-Bacterial Agents, Protein Synthesis Inhibitors, MEDICATION, MEDICATION (VET), Use (kg.
Chloramphenicol is a pharmaceutical intermediate or API compound with CAS registry number 56-75-7 and molecular formula C11.H12.Cl2.N2.O5 (molecular weight 323.13), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 56-75-7
Its molecular formula C11.H12.Cl2.N2.O5 comprises 11 C, 12 H, 2 Cl, 2 N, 5 O atoms.
Also known as: Chloramphenicol · 氯霉素
Category: pharmaceutical intermediates and APIs
The CAS registry number of Chloramphenicol is 56-75-7.
Molecular formula C11.H12.Cl2.N2.O5, molecular weight 323.13.
It is also registered under: Chloramphenicol, 氯霉素.
Recorded applications: Broad-spectrum antibiotic, Anti-Bacterial Agents, Protein Synthesis Inhibitors, MEDICATION, MEDICATION (VET), Use (kg.
Category: Pharmaceutical Intermediates & APIs.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Chloramphenicol (CAS 56-75-7), compiled from public chemistry databases.
| CAS Registry Number | 56-75-7 |
|---|---|
| PubChem CID | 5959 |
| Molecular formula | C11.H12.Cl2.N2.O5 |
| IUPAC name | 2,2-dichloro-N-[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]acetamide |
| UNII (FDA) | 66974FR9Q1 |
| Molecular Weight | 323.13 |
|---|---|
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 5 |
| Exact Mass | 322.0123269 |
| Monoisotopic Mass | 322.0123269 |
| Topological Polar Surface Area | 115 |
| Heavy Atom Count | 20 |
| Melting Point | 171 |
|---|---|
| Melting Point | 150.5-151.5 °C |
| Melting Point | MP: 149-153 °C |
| Melting Point | 150.5 °C |
| Melting Point | 151 °C |
| Solubility | 2500 |
| Solubility | In water, 2.5 mg/mL at 25 °C |
| Solubility | 4.61e-01 g/L |
| LogP | 1.14 |
| LogP | log Kow = 1.14 |
chloramphenicol; 56-75-7; Chlornitromycin; Levomycetin; Levomicetina; Chlorocid; Chloroamphenicol; Alficetyn; Chloramex; Globenicol; D-Chloramphenicol; Aquamycetin; Chemicetina; Chloramsaar; Chloronitrin; Enteromycetin
| Regulatory & Food Contact | ANTIMICROBIAL_AGENT: Veterinary Drug NO ADI ALLOCATED TRS 925-JECFA 62/49 FAS 53-JECFA 62/7 |
|---|---|
| GHS notification summary | 2% (6 / 294) |
| GHS notification summary | 2% (6 / 294) |
|---|---|
| Reported hazard statements | H317 (18%), H318 (11.6%), H350 (70.4%), H351 (27.2%), H360 (12.9%), H361 (41.2%), H341, H372 |
This chemical does not meet GHS hazard criteria for 2% (6 of 294) of reports.
H317 (18%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Chloramphenicol · CAS 56-75-7 · C11.H12.Cl2.N2.O5. UNII 66974FR9Q1. Melting Point: 171; Melting Point: 150.5-151.5 °C; Melting Point: MP: 149-153 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 氯霉素