$FERMOPURE<sup>®</sup> L-Cysteine PHARMA FB

L-Cysteine Free Base

L-CYSTEINE FREE BASE Pharma is a white powder or colourless crystals. L-Cysteine is one of the 20 natural amino acids and, besides methionine, the only one which contains sulfur. WACKER has developed a new production method for this amino acid via fermentation from nonanimal and non-human raw materials.

  • CAS Nr. 52-90-4
  • Summenformel C3H7NO2S
  • Molekulargewicht 121.16


  • White powder
  • Content min. 98.0-101.0%
  • free base
  • BSE/TSE-free
  • Certified as kosher and halal
  • Produced from L-Cystine obtained from vegetarian fermentation


  • Excipient for API synthesis, e.g. expectorants
  • Essential ingredient in cell culture media
  • Potential use as environmentally friendly corrosion inhibitor

Verpackung / Gebinde

Units of 25 kg


L-CYSTEINE FREE BASE Pharma has a shelf life of at least 24 months when stored in unbroken original packaging in dry storage areas. The best use before date of each batch is shown on the product label.
Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Vertrieb & Support

Wacker Chemie AG
Heilbronner Strasse 74
70191 Stuttgart
+49  711  61942-0 (Phone)
+49 711 61942-61  (Fax)

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