L-Cysteine hydrochloride monohydrate
SIAL/C6852 - from non-animal source, suitable for cell culture, meets EP, USP testing specifications
Synonym: L-Cysteine hydrochloride hydrate (1:1:1)
CAS Number: 7048-04-6
Empirical Formula (Hill Notation): C3H7NO2S · HCl · H2O
Molecular Weight: 175.63
EC Number: 200-157-7
MDL Number: MFCD00065606
Linear Formula: HSCH2CH(NH2)COOH · HCl · H2O
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: C6852-100G
This image depicts SKU: C6852-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: C6852-25G
This image depicts SKU: C6852-25G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: C6852-1KG
This image depicts SKU: C6852-1KG
| agency | meets EP testing specifications |
| meets USP testing specifications | |
| application(s) | pharmaceutical (small molecule) |
| assay | 98.5-101.0% dry basis |
| biological source | non-animal source |
| cation traces | Fe: ≤10 ppm |
| NH4+: ≤0.02% | |
| color | white |
| form | powder or crystals |
| functional group | (sulfhydryl) |
| impurities | endotoxin, tested |
| InChI | 1S/C3H7NO2S.ClH.H2O/c4-2( |
| InChI key | QIJRTFXNRTXDIP-JIZZDEOASA |
| optical activity | [α]20/D 6.1 to 7.8°, c = 8 in 1 M HCl |
| [α]25/D 5.7 to 6.8°, c = 8 in HCl (6 N) | |
| Quality Level | 300  |
| SMILES string | O.Cl.N[C@@H](CS)C(O)=O |
| solubility | water: 1 g/10 mL, clear, colorless |
| storage temp. | room temp |
| technique(s) | cell culture | mammalian: suitable |
| Application: | L-Cysteine hydrochloride monohydrate has been used as a component of yeast dropout media for culturing yeasts. It has also been used as a component of differential reinforced clostridial broth (DRCM) for the isolation of clostridia. |
| Biochem/physiol Actions: | Cysteine (Cys) is a sulfur-containing amino acid that modulates metabolism for growth, reproduction and immunity. It provides the disulfide linkage in proteins and in involved in the transport of sulfur. Cysteine is involved in the formation of hydrogen sulfide that functions as a signaling molecule. Cys residues are present at the catalytic sites of various enzymes. |
| Biochem/physiol Actions: | NMDA glutamatergic receptor antagonist. |
| Features and Benefits: | • Suitable for Cell Culture and Biochemical research • High-quality compound suitable for multiple research applications |
| General description: | L-Cysteine hydrochloride, commonly referred to as Cysteine HCl, is a vital component in biochemical research due to its versatile roles. Derived from the naturally occurring amino acid L-cysteine, this compound plays a crucial part in redox reactions, protein structure, cell culture, and antioxidant activity. Cysteine HCl functions as a reducing agent and a nucleophile in redox reactions. Additionally, it serves as a precursor to glutathione, a potent cellular antioxidant. Its significance extends to protein structure, where it contributes to the formation of disulfide bonds that stabilize protein structures. Cysteine HCl also supports cell growth and viability in cell culture applications. Its widespread applications encompass diverse areas of biochemical research, including redox biology, protein biochemistry, cell biology, and antioxidant investigations. |
| Other Notes: | For additional information on our range of Biochemicals , please complete this form . |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 25, 100 g in poly bottle |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98.5-101.0% dry basis |
| Storage Temp. | room temp |
| UNSPSC | 12352209 |