How to Source Imipramine HCl ER capsules for Pharmaceutical Formulation
Imipramine HCl ER capsules (Capsules (Extended-Release), 75 mg, 100 mg, 125 mg, 150 mg) is classified under Antipsychotropic Drugs. It is therapeutically aligned with reference brands such as Tofranil-PM® (US). This guide highlights key sourcing factors buyers should consider when procuring high-quality Imipramine HCl ER capsules for formulation, R&D, or bulk manufacturing.

1. Regulatory Compliance & Documentation
Ensure suppliers provide:
- ✔ Valid DMF (Drug Master File)
- ✔ COA (Certificate of Analysis) for each batch
- ✔ GMP, ISO, or ICH Q7 compliance certificates
2. Purity, Grade & Specification Matching
Imipramine HCl ER capsules must meet exact grade and purity for your dosage form:
- ✔ USP / EP / JP grade verification
- ✔ Particle size distribution check
- ✔ Residual solvent and heavy metal limits
3. Supplier Reliability & Audit History
- ✔ Positive past audit reports
- ✔ Pharma client references
- ✔ Years of proven API manufacturing experience
4. Commercial Terms: Pricing, MOQ & Flexibility
- ✔ Transparent pricing
- ✔ Pilot batch MOQ flexibility
- ✔ Volume-based discounts
5. Lead Time, Inventory & Logistics
Typical lead time for Imipramine HCl ER capsules is 4–6 weeks.
- ✔ Emergency dispatch options
- ✔ Regional warehousing
- ✔ Special storage if needed
6. Formulation Support
- ✔ Technical datasheets
- ✔ Sample availability
- ✔ Stability study support
Conclusion
Sourcing Imipramine HCl ER capsules is more than procurement—it’s a strategic partnership. With its capsules (extended-release) form and 75 mg, 100 mg, 125 mg, 150 mg specification, choosing a compliant supplier ensures consistent quality and regulatory approval. Prioritize documentation, verify compatibility, and build relationships with transparent, reliable suppliers to secure long-term success.
Frequently Asked Questions About Imipramine HCl ER capsules
What is the typical lead time for Imipramine HCl ER capsules?
Lead times range from 4–6 weeks depending on supplier and region.
Is Imipramine HCl ER capsules available in multiple grades?
Yes — common grades include USP, EP, and JP. Verify grade suitability for your dosage form before purchase.
Does Imipramine HCl ER capsules require special storage?
It should be stored in a cool, dry place away from direct sunlight.