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Cloxacillin Sodium Salt Sterile CAS 7081-44-9 
Product Name: Cloxacillin Sodium Salt Sterile
Synonyms: Cloxacillinum natricum, Cloxacilline Sodium
CAS Number: 7081-44-9
Characteristics: A white or almost white, crystalline powder.
Solubility: Soluble in alcohol, Freely soluble in methanol & water.
Assay and Potency: >=825µg/mg, 95% ~ 101%
Formula: C19H17ClN3NaO5S,H2O
Package: 10Kg/Tin; 5Kg/Tin, 2Tins/Ctn
Usage: Cloxacillin Sodium is a kind of penicillins. Normally, Cloxacillin Sodium have good effect against Staphylococcus aureus. Clinically, it is not not used to treat streptococcal infections. Please note: Cloxacillin Sodium is not working in the treatment of infections caused by methicillin-resistant staphylococci. Cloxacillin Sodium Capsules and tablets are existing preparations to take orally.
Further more, Cloxacillin can prevent some infections.
RSV of Cloxacillin Sodium:
COA—Cloxacillin Sodium Sterile
Testing Item |
Standard |
Result |
Appearance |
White or almost white, hygroscopic, crystalline powder. Freely soluble in water and in Methanol, soluble in Ethanol |
Complies |
Identification A |
Infrared absorption spectrophotometry |
Complies |
Identification B |
Reaction of Sodium |
Complies |
Solution S |
Solution S is clear; Its absorbance at 430nm is not greater than 0.04 |
0.002 |
Particulate Matter |
≥ 10um, ≤ 6000/g ≤ 25um, ≤ 600/g |
≥ 10um, ≤ 197.0/g ≤ 25um, ≤ 16.7/g |
Visible foreign matter |
Absent |
Absent |
pH |
5.0 ~ 7.0 |
5.68 |
Specific Optical Rotation |
+160° ~ +169° |
+165.4° |
Related Substances |
Any impurity ≤1.0% Total impurities ≤5.0% |
0.21% 0.52% |
2-Ethylhexanoic Acid |
≤ 0.8% |
0.13% |
N, N-Dimethylaniline |
≤ 20ppm |
< 20ppm |
Water |
3.0% ~ 4.5% |
3.80% |
Bacterial Endotoxins |
≤ 0.20EU/g |
< 0.20EU/g |
Sterility |
Sterile |
Sterile |
|
Assay (Cloxacillin Sodium) |
95.0% ~ 102.0% (Anhydrous Basis) |
99.9% |
