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L-Cysteine hydrochloride hydrate, 98.5-101.0%, Thermo Scientific Chemicals
Description
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
General Information
• L-cysteine hydrochloride hydrate is a non-essential proteinogenic amino acid commonly used in chemical reactions, for instance, the thiol side chain in cysteine often participates in enzymatic reactions as a nucleophile.
Application
• L-cysteine hydrochloride hydrate plays an important role as a histidine ammonia-lyase inhibitor with the ability to interfere with the action of histidine ammonia-lyase.
• In chemical reactions, L-cysteine hydrochloride hydrate is used as a raw material for the production of S-carboxymethyl-L-cysteine, L-cysteine base, and N-acetyl-L-cysteine.
• This compound also has antioxidant activity.
• It has been used in laboratory protocols to separate dorsal root ganglion neurons.
• This compound is applied to study the inhibitory effect of L-cysteine hydrochloride hydrate in preventing enzymatic browning in apples.
Specifications
| Melting Point | 175°C |
| Ammonium | 100ppm max. |
| Color | White or Colorless |
| Heavy Metals (as Pb) | 10ppm max. |
| Assay Percent Range | 98.5-101.0% |
| Infrared Spectrum | Authentic |
| Linear Formula | HCl·xH2O |
| Iron (Fe) | 20ppm max. |
| Beilstein | 04, 506 |
| Loss on Drying | 8.0% to 12.0% (24 hrs, 5mm Hg) |
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Safety and Handling
- L-Cysteine hydrochloride hydrate
- Warning
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
- H315-Causes skin irritation.
- P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P302+P352-IF ON SKIN: Wash with plenty of water/.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
RUO – Research Use Only