Nafcillin Sodium for Oral Solution
» Nafcillin Sodium for Oral Solution contains not less than 90.0 percent and not more than 120.0 percent of the labeled amount of nafcillin (C21H22N2O5S). It contains one or more suitable buffers, colors, diluents, dispersants, flavors, and preservatives.
Packaging and storage—
Preserve in tight containers.
USP Reference standards 
11
—
11—
USP Nafcillin Sodium RS 
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Uniformity of dosage units 905—
905—
for solid packaged in single-unit containers:
meets the requirements.
Deliverable volume 698:
meets the requirements.
698:
meets the requirements.
pH 791:
between 5.5 and 7.5, in the solution constituted as directed in the labeling.
791:
between 5.5 and 7.5, in the solution constituted as directed in the labeling.
Water, Method I 921:
not more than 5.0%.
921:
not more than 5.0%.
Assay—
Proceed as directed under Antibiotics—Microbial Assays 81, using Nafcillin Sodium for Oral Solution constituted as directed in the labeling. Dilute an accurately measured volume of the solution quantitatively with Buffer No. 1 to obtain a Test Dilution having a concentration assumed to be equal to the median dose level of the Standard.
81, using Nafcillin Sodium for Oral Solution constituted as directed in the labeling. Dilute an accurately measured volume of the solution quantitatively with Buffer No. 1 to obtain a Test Dilution having a concentration assumed to be equal to the median dose level of the Standard.
Auxiliary Information—
Please check for your question in the FAQs before contacting USP.
| Topic/Question | Contact | Expert Committee |
|---|---|---|
| Monograph | Ahalya Wise, M.S.
Senior Scientific Liaison 1-301-816-8161 |
(SM12010) Monographs - Small Molecules 1 |
| Reference Standards | RS Technical Services 1-301-816-8129 rstech@usp.org |
USP35–NF30 Page 3982