PURE Biosciences Inc
purebio.comPURE Biosciences (OTC: PURE) is a specialty chemical company that develops and sells antimicrobial cleaning, sanitizing, and disinfecting products built on its proprietary Silver Dihydrogen Citrate (SDC) technology. Revenue comes from direct product sales to food service operators, food processors, healthcare facilities, and commercial facility operators. Core commercial products include PURE Hard Surface, a food contact surface sanitizer and disinfectant, PURE Control, a direct food contact processing aid seeking FDA and USDA regulatory approval, and a line of SDC-enhanced cleaners including PURE Multi-Purpose and Floor Cleaner and PURE Hi-Foam Cleaner Concentrate. As of July 31, 2025, the company held $409,000 in cash, carried $6,174,000 in total liabilities including $1,800,000 in outstanding convertible notes, and had auditors express substantial doubt about its ability to continue as a going concern. The company has a history of losses and has funded operations partly through convertible note issuances to board-affiliated investors.
Products & Services
PURE Hard Surface (food contact surface sanitizer and disinfectant), PURE Control (direct food contact processing aid, pending FDA and USDA approval), PURE Multi-Purpose and Floor Cleaner, PURE Multi-Purpose Hi-Foam Cleaner Concentrate. All products are formulated with SDC, the company's non-toxic antimicrobial compound, and are positioned as free from bleach, ammonia, phosphates, EDTA, and VOCs.
Revenue Model
Transactional product sales of antimicrobial cleaning and sanitizing products to institutional end markets. The company has also received non-recurring government credits, including $175,000 from the U.S. Employee Retention Tax Credit Program recognized in the fiscal year ended July 31, 2025.
Customers & Markets
Food service and hospitality operators, food processors, transportation companies, hospitals, assisted living facilities, clinics, childcare centers, schools, gyms, and commercial office buildings. The company targets institutional buyers requiring food safety and infection control compliance.
Financial Snapshot
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