C121800

L-Cysteine hydrochloride hydrate

99%, for peptide synthesis

• Synonym(s): L-Cysteine·HCl hydrate
• Linear Formula: HSCH₂CH(NH₂)CO₂H·HCl·xH₂O
• CAS Number: 345909-32-2
• Molecular Weight: 157.62 (anhydrous basis)
• EC Number: 200-157-7
• MDL number: MFCD00065606
• UNSPSC Code: 12352209
• eCl@ss: 32160406
• PubChem Substance ID: 24892385
• NACRES: NA.22

Properties

• product name: L-Cysteine hydrochloride hydrate, 99%
• Assay: 99%
• form: solid
• optical activity: [α]23/D +5.2°, c = 2 in 5 M HCl
• reaction suitability: reaction type: solution phase peptide synthesis
• technique(s): affinity chromatography: suitable
• color: white
• application(s): peptide synthesis
• storage temp.: 2-8°C
• SMILES string: Cl[H].[H]O[H].N[C@@H](CS)C(O)=O
• InChI: 1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
• InChI key: QIJRTFXNRTXDIP-JIZZDEOASA-N

Description

General description

L-Cysteine hydrochloride hydrate also known as L-Cysteine·HCl hydrate, is commonly used as a starting material in the synthesis of L-cysteine (alkylated, acidic, and alcoholic) derivatives.

Application

L-Cysteine hydrochloride hydrate is used as a standard solution to determine the quantity of thiol groups attached on mucoadhesiveness.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves