When delivering the best, we’re always consistent.

As a leading manufacturer of inorganic salts developed for use in the pharmaceutical, biotech and diagnostic industries, Jost Chemical observes unmatched standards for quality. Our rigorous quality testing requirements ensure high purity products that are lot-to-lot consistent. As a trusted innovator for more than 30 years, we collaborate closely with clients seeking custom products. Need to modify an existing chemical or develop a new one with demanding specifications? Jost Chemical takes pride in meeting our customers’ requirements, while exceeding their expectations.

Applications include:
  • Biological buffers
  • Process intermediates
  • API synthesis
  • Vaccine manufacturing
  • Fermentation
  • Cell culture media


Safe. Reliable. Traceable.

Count on Jost Chemical to have your needs covered. Our manufacturing facilities are FDA registered, and they’re also audited regularly by the FDA and our customers. We operate under ICH Q7 bulk pharmaceutical cGMP.

All Jost products are:
  • Manufactured in St. Louis, Missouri
  • Tested in house
  • Engineered to meet or exceed multi-compendial requirements, including USP, EP, BP, JP and ACS
  • BSE/TSE free
  • Fully traceable, from raw material to final packaging
  • Available with multiple packaging options: fiber drums, poly drums, poly pails, super sacks and customized


Technical Support & Documentation

Reduce your risk by trusting the quality experts at Jost.

We provide:
  • Quick turnaround on requests
  • Consultation on developing DMF, ASMF and CEP
  • Testing for low levels of vagrant metals reported using ICP-MS


Pharmaceutical / Biotech Products:

Ammonium Phosphate Monobasic ACS – Product Code 2020
Ammonium Phosphate Dibasic NF/ACS – Product Code 2026
Ammonium Sulfate NF/ACS – Product Code 2031
Cupric Sulfate Pentahydrate USP – Product Code 2296
Ferrous Ammonium Sulfate Purified – Product Code 2400
Manganese Sulfate Monohydrate USP/EP/ACS – Product Code 2578
Potassium Phosphate Monobasic NF/EP/BP/ACS – Product Code 2672
Potassium Phosphate Dibasic USP/ACS – Product Code 2665
Potassium Sulfate EP/ACS – Product Code 2684
Sodium Acetate Trihydrate USP/EP Granulated – Product Code 2719
Sodium Carbonate Anhydrous NF/EP/JP/ACS – Product Code 2745
Sodium Carbonate Monohydrate NF/ACS – Product Code 2753
Sodium Phosphate Monobasic Anhydrous – Product Code 2761
Sodium Phosphate Monobasic Monohydrate USP/BP/ACS – Product Code 2766
Sodium Phosphate Dibasic Anhydrous USP/EP/ACS – Product Code 2771
Sodium Phosphate Dibasic Dihydrate USP – Product Code 2775
Sodium Phosphate Dibasic Heptahydrate USP/ACS – Product Code 2780
Sodium Phosphate Tribasic Dodecahydrate ACS – Product Code 2783
Sodium Sulfate Anhydrous USP/ACS – Product Code 2794