Salcaprozate sodium

Salcaprozate sodium (CAS 203787-91-1), also known by its E-number E414, is a synthetic sodium salt used in pharmaceutical formulations as an absorption enhancer and carrier.

Where is Salcaprozate sodium used?

• Oral peptide and protein drugs: facilitates gastrointestinal absorption of biologics such as insulin and GLP-1 analogues
• Other macromolecules with negligible bioavailability
• Buccal and nasal delivery systems: enhanced mucosal uptake of peptide APIs
• It improves mucosal permeability of poorly absorbed active pharmaceutical ingredients for oral or transmucosal delivery.

Commercial specifications

• Documentation supports regulatory submissions for global markets
• Quantities range from research-scale to commercial bulk