Chloramphenicol (INN) is a bacteriostatic antimicrobial. It is considered a prototypical broad-spectrum antibiotic, alongside the tetracyclines.
Chloramphenicol & Chloromycetin& Leukomycin
CAS: 56-75-7
Molecular formula: C11H12Cl2N2O5,
Molecular weight: 323.13.
Standard: BP2000 /USP28
Content≥99%
Physical and chemical property : white or tiny yellow pin or full-length film crystal, bitter sapor, slightly soluble in water, soluble in methanol ,ethanol, Propyleneglycol and Ethyl acetate.
Application: broad-spectrum antibiotics, the effects bring into play by restraining the synthesize of the protein of bacteria,be effective to most Gram-negative and gram-positive bacteria, especially to gram-negative bacteria.
Package:
Certificate Of Analysis: BP2000/USP28 Edition
|
Item |
Standard |
Test Result |
|
Description |
Fine white or grayish white or yellow wish |
Conforms |
|
white needle-like crystals or elongated plates |
||
|
Identification |
The reaction is positive |
The reaction is postitive |
|
Melting poin |
149 ~ |
|
|
Assay |
98.5 ~ 102% |
99.90% |
|
Loss on drying |
≤0.5% |
0.20% |
|
Residuc on ignition |
≤0.1% |
0.07% |
|
PH |
5.0 ~ 7.5 |
6.9 |
|
Specific rotation |
+18.5 ~ +20 ° |
+19.6° |
|
Heavy metals |
≤0.001% |
0.0005% |
|
Related substances |
The any secondary spot ≤0.5% |
<0.5% |
|
total≤0.2% |
Total <2% |
|
|
Chloride |
≤0.005% |
0.00% |
|
Crystallinity |
Meets the requirements |
Conforms |