Thermo Scientific Chemicals L-Cysteine, Cell Culture Reagent

Description

Non-animal sourced L-cystine is used as a cell culture media component for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies. L-cystine is used as a cell culture supplement. l-cysteine to media protects against or reverses abnormal growth & malignant transformation in aged controls. L-Cysteine is a food additive permitted for direct addition to food for human consumption.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Non-animal sourced L-cystine is used as a cell culture media component for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies. L-cystine is used as a cell culture supplement. l-cysteine to media protects against or reverses abnormal growth & malignant transformation in aged controls. L-Cysteine is a food additive permitted for direct addition to food for human consumption.

Solubility
Soluble in water (10 mg/ml), 1N HCl (50 mg/ml), and ethanol.

Notes
Air Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from air.

Specifications

Chemical Identifiers

• CAS: 52-90-4
• Molecular Formula: C3H7NO2S
• Molecular Weight (g/mol): 121.154
• MDL Number: MFCD00064306
• InChI Key: XUJNEKJLAYXESH-REOHCLBHSA-N
• Synonym: l-cysteine, cysteine, cystein, half-cystine, r-cysteine, thioserine, r-2-amino-3-mercaptopropanoic acid, l-+-cysteine, l-cystein, 2r-2-amino-3-sulfanylpropanoic acid
• PubChem CID: 5862
• ChEBI: CHEBI:17561
• IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid
• SMILES: C(C(C(=O)O)N)S

• Melting Point: ∽220°C (decomposition)
• Color: White
• Beilstein: 1721408
• Merck Index: 14,2781
• Solubility Information: Soluble in water (10mg/ml),1N HCl (50mg/ml),and ethanol.
• Formula Weight: 121.16
• Grade: Cell Culture Reagent
• Quantity: 100 g
• Optical Rotation: +7.6° (c=5 in 5N HCl)
• Sensitivity: Air Sensitive
• Physical Form: Powder
• Chemical Name or Material: L-Cysteine

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement H302 Harmful if swallowed.
Precautionary Statement	GHS P Statement P264-P270-P301+P312-P330-P501a Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. Dispose of contents/container in accordance with local/regional/national/international regulations.
EINECSNumber	200-158-2
RTECSNumber	HA1600000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only