Terbinafine HCl is an established allylamine antifungal active pharmaceutical ingredient used in the development and manufacture of oral and topical pharmaceutical formulations. It is the hydrochloride salt of terbinafine and is widely recognized for its antifungal activity against susceptible dermatophytes.
Terbinafine HCl works primarily by inhibiting squalene epoxidase, an enzyme involved in fungal ergosterol biosynthesis. Inhibition of this pathway disrupts fungal cell membrane formation and contributes to the antifungal effect of the active ingredient.
Terbinafine HCl has the molecular formula C₂₁H₂₆ClN and a molecular weight of approximately 327.90 g/mol. The API is identified by CAS No. 78628-80-5 and is generally described as a white to off-white fine crystalline powder.
The API's physical and chemical characteristics make Terbinafine HCl suitable for pharmaceutical formulation and further processing under controlled manufacturing conditions.
Terbinafine HCl API is used in pharmaceutical formulations for antifungal applications, including:
The specific dosage form, strength, indication, and formulation are determined by the applicable approved pharmaceutical product.
As an allylamine antifungal, Terbinafine HCl targets fungal sterol biosynthesis through inhibition of squalene epoxidase. This differentiates it mechanistically from several other antifungal classes and supports its use in pharmaceutical products designed to treat susceptible fungal infections.
For API manufacturers and pharmaceutical companies, consistent control of identity, assay, impurities, residual solvents, water content, and other critical quality attributes is important for maintaining the quality of Terbinafine HCl during pharmaceutical manufacturing.
Terbinafine HCl API should be evaluated using validated analytical methods appropriate to the applicable specification. Quality control may include identification by IR and HPLC, assay determination, related-substance testing, water determination, residual-solvent analysis, residue on ignition or sulphated ash, and other applicable tests.
Analytical testing should be performed against the relevant pharmacopoeial requirements and the manufacturer's approved specification. This provides appropriate control over the API's identity, purity, consistency, and quality.
Swapnroop is engaged in pharmaceutical API manufacturing in India, providing quality-focused manufacturing solutions for pharmaceutical active ingredients including Terbinafine HCl API.
Our manufacturing approach emphasizes controlled processes, appropriate raw-material selection, analytical quality control, impurity monitoring, batch consistency, and pharmaceutical-grade handling. Terbinafine HCl is manufactured and tested according to applicable quality requirements and customer specifications.
Swapnroop supports pharmaceutical manufacturers and other qualified B2B customers seeking Terbinafine HCl API from India for pharmaceutical manufacturing applications.
Terbinafine HCl should be packed in suitable pharmaceutical-grade packaging designed to protect the API from moisture, contamination, and environmental exposure.
The product should be stored under the conditions specified by the applicable approved specification and stability data. Properly sealed packaging should be maintained during storage and handling.
Documentation for Terbinafine HCl API may include:
| Parameter | Specification |
|---|---|
| Appearance | white to off-white crystalline powder |
| Identification | IR & HPLC compliant |
| Assay (HPLC) | 98.0% – 102.0% |