L-Cystine
- Category
- Other Ingredients
- Pack sizes
- 500 g · 5 kg · 25 kg
- Certifications
- Halal
Data updated：2026-11-06
Overview
L-Cystine, two cysteines joined by a disulfide bond, is a sparingly soluble amino acid used in media such as CLED agar to supply sulfur amino acid, and an essential component for some auxotrophic strains. Halal-certified version, with a COA for every batch.
Media for anaerobes and fastidious organisms
Anaerobes and fastidious organisms require media containing reducing agents, blood, or infusion components, together with an anaerobic incubation environment. Some formulations need heat-labile supplements such as blood, serum, or antibiotics added after sterilisation; follow the preparation instructions for the timing and method.
Product highlights
- Halal certified, suitable for the Malaysian, Indonesian, and Middle Eastern markets
- Available in 500 g / 5 kg / 25 kg, from laboratory to industrial scale
- COA, specification sheet, and technical data sheet available; samples on request
- Manufactured in Taiwan with reliable supply
Frequently asked questions
01How do I request a bulk quotation, and can you provide a COA?
Yes. This product is available in 500 g, 5 kg, 25 kg. Tell us your application and volume when requesting a quotation; we reply within one working day and can supply the COA, specification sheet, and technical data sheet.