S-Carboxymethyl-L-cysteine, 98%

Description

CAS: 638-23-3 | C5H9NO4S | 179.19 g/mol

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.

Specifications

Chemical Identifiers

• CAS: 638-23-3
• Molecular Formula: C5H9NO4S
• Molecular Weight (g/mol): 179.19
• MDL Number: MFCD00002614
• InChI Key: GBFLZEXEOZUWRN-VKHMYHEASA-N
• Synonym: s-carboxymethyl-l-cysteine, carbocisteine, carbocysteine, carbocistein, transbronchin, bronchokod, lisomucil, mucolase, mucotab
• PubChem CID: 193653
• ChEBI: CHEBI:16163
• IUPAC Name: (2R)-2-amino-3-(carboxymethylsulfanyl)propanoic acid
• SMILES: N[C@@H](CSCC(O)=O)C(O)=O

• Melting Point: 205.0°C to 207.0°C
• Color: White
• Ignition Residue: 0.2% max.
• Loss on Drying: 0.5% max. (105°C, 3 hrs)
• Infrared Spectrum: Authentic
• Assay Percent Range: 98%
• Packaging: Glass bottle
• Linear Formula: HO₂CCH₂SCH₂CH(NH₂)CO₂H
• Quantity: 1 g
• Merck Index: 15, 1802
• Specific Rotation Condition: −31° (20°C c=1,10% NaH₂CO₃)
• Specific Rotation: − 31.00
• Solubility Information: Solubility in water: soluble in cold water. Other solubilities: soluble in hot water (3 g/100 mL), acids and alkal, slightly soluble in methanol and acetone
• Formula Weight: 179.19
• Percent Purity: 98%
• Physical Form: Amorphous Powder
• Chemical Name or Material: S-Carboxymethyl-L-cysteine, 98%

Safety and Handling

Hazard Category	GHS Signal Word: Warning
Hazard Statement	GHS H Statement Causes serious eye irritation. May cause respiratory irritation. Causes skin irritation.
Precautionary Statement	GHS P Statement IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,if present and easy to do. Continue rinsing. Avoid breathing dust/fume/gas/mist/vapors/spray. IF ON SKIN: Wash with plenty of soap a
EINECSNumber	211-327-5
RTECSNumber	AY4342000
TSCA	TSCA

SDS

RUO – Research Use Only