Master formulation and compounding records
Ingredients
Ingredient chips: FDA 503A categories and lists, 21 CFR 216.24, and NIOSH hazardous drugs. Check an ingredient in detail, including FDA shortages.
Beyond-use date
Current: 91 days · Duration supported by the cited stability study for this formula, container, and storage.
Work out the BUD
Beyond-use date
14 days
Refrigerator
- Nonpreserved aqueous dosage form: 14 days, refrigerated.
USP <795> §10.4 (CNSPs requiring shorter BUDs), Table 4 (BUD limits by type of preparation)
Rules current as of the USP <795> and <797> revisions official November 1, 2023. Verify against the current official USP chapter before assigning a BUD.
Master formulation record: Methadone oral solution 10 mg/mL
Oral solution · Oral · Nonsterile (USP <795>) · Batch 100 mL
Ingredients
| Ingredient | Role | Quantity |
|---|---|---|
| Methadone hydrochloride | active | 1 g |
| Methylparaben and propylparaben (optional) | preservative | |
| Aqueous vehicle (see the study) | vehicle | q.s. |
Equipment
- Class A prescription balance or electronic balance
- Mortar and pestle
- Graduated cylinder
Quality control
- Visual inspection: uniform appearance, no foreign matter
- Final volume or weight checked
Packaging, storage, and BUD
Container: Amber glass bottles (closed and in daily use) · Storage: Refrigerator · BUD: 91 days
Basis: Duration supported by the cited stability study for this formula, container, and storage. Álvaro-Alonso EA et al. Molecules. 2022;27(9):2812. PMC9105510
Labeling
Shake well. Store as directed. Discard after the beyond-use date.
References
- Álvaro-Alonso EA, Lorenzo MP, Gonzalez-Prieto A, Izquierdo-García E, Escobar-Rodríguez I, Aguilar-Ros A. Physicochemical and Microbiological Stability of Two Oral Solutions of Methadone Hydrochloride 10 mg/mL. Molecules. 2022;27(9):2812. PMC9105510. https://pmc.ncbi.nlm.nih.gov/articles/PMC9105510/
Notes
Formulations with and without parabens performed the same.
Record contents follow the master formulation and compounding record sections of USP <795> and <797>; check your state board's requirements. For licensed clinicians. Use with clinical judgment.