Thermo Scientific Chemicals L(+)-Selenomethionine, 99+%, ee 99+%

Catalog No.	Quantity	Packaging
AC259962500	250 mg	Glass bottle
AC259960010	1 g	Glass bottle
AC259960025	2.5 g	Glass bottle

Catalog No. AC259962500 Supplier Thermo Scientific Chemicals Supplier No. 259962500

Description

CAS: 3211-76-5 | C5H11NO2Se | 196.12 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: 3211-76-5
• Molecular Formula: C5H11NO2Se
• Molecular Weight (g/mol): 196.12
• MDL Number: MFCD00037210
• InChI Key: RJFAYQIBOAGBLC-BYPYZUCNSA-N
• Synonym: l-selenomethionine, l-+-selenomethionine, selenium-l-methionine, l-selenomethioninum, seleno-l-methionine, s-2-amino-4-methylselanyl butanoic acid, semet, s-2-amino-4-methylseleno butyric acid, unii-964mrk2pel, s-2-amino-4-methylseleno butanoic acid
• PubChem CID: 105024
• ChEBI: CHEBI:62621
• IUPAC Name: (2S)-2-amino-4-methylselanylbutanoic acid
• SMILES: C[Se]CC[C@H](N)C(O)=O

• Melting Point: 265.0°C
• Color: White
• Enantiomeric Excess: 99.0% min. (HPLC-CHIR)
• Infrared Spectrum: Authentic
• Assay Percent Range: 99% min. (HPLC)
• Packaging: Glass bottle
• Linear Formula: CH₃SeCH₂CH₂CH(NH₂)COOH
• Quantity: 250 mg
• Merck Index: 15, 8578
• Specific Rotation Condition: +18.00 (20.00°C c=1,1N HCl)
• Specific Rotation: + 18.00
• Solubility Information: Solubility in water: soluble.
• Formula Weight: 196.11
• Percent Purity: 99+%
• Physical Form: Shiny Powder
• Chemical Name or Material: L(+)-Selenomethionine, 99+% e.e.

Safety and Handling

Hazard Category	GHS Signal Word: Danger
Hazard Statement	GHS H Statement Toxic if swallowed. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure. Very toxic to aquatic life with long lasting effects.
Precautionary Statement	GHS P Statement IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
RTECSNumber	EK7713840

SDS

RUO – Research Use Only