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.
• Quantity: 25 g
• Formula Weight: 121.16
• Optical Rotation: +7.6° (c=5 in 5N HCl)
• Sensitivity: Air Sensitive
• Grade: Cell Culture Reagent
• Physical Form: Powder
• Chemical Name or Material: L-Cysteine

RUO – Research Use Only