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

Product Code	Brand	Quantity	Packaging
10309100	Thermo Scientific Chemicals 259962500	250 mg	Glass bottle
10553601	Thermo Scientific Chemicals 259960010	1 g	Glass bottle
10309150	Thermo Scientific Chemicals 259960025	2.5 g	Glass bottle

Description

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.

Chemical Identifiers

• CAS: 3211-76-5
• Molecular Weight (g/mol): 196.12
• InChI Key: RJFAYQIBOAGBLC-BYPYZUCNSA-N
• PubChem CID: 105024
• IUPAC Name: (2S)-2-amino-4-methylselanylbutanoic acid

• Molecular Formula: C5H11NO2Se
• MDL Number: MFCD00037210
• 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
• ChEBI: CHEBI:62621
• SMILES: C[Se]CC[C@H](N)C(O)=O

Specifications

• CAS: 3211-76-5
• Color: White
• Infrared Spectrum: Authentic
• Molecular Formula: C5H11NO2Se
• MDL Number: MFCD00037210
• Specific Rotation Condition: +18.00 (20.00°C c=1,1N HCl)
• 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
• InChI Key: RJFAYQIBOAGBLC-BYPYZUCNSA-N
• IUPAC Name: (2S)-2-amino-4-methylselanylbutanoic acid
• PubChem CID: 105024
• Formula Weight: 196.11
• Physical Form: Shiny Powder

• Melting Point: 265.0°C
• Enantiomeric Excess: 99.0% min. (HPLC-CHIR)
• Assay Percent Range: 99% min. (HPLC)
• Linear Formula: CH₃SeCH₂CH₂CH(NH₂)COOH
• Merck Index: 15, 8578
• Specific Rotation: + 18.00
• Solubility Information: Solubility in water: soluble.
• SMILES: C[Se]CC[C@H](N)C(O)=O
• Molecular Weight (g/mol): 196.12
• ChEBI: CHEBI:62621
• Percent Purity: 99+%
• Chemical Name or Material: L(+)-Selenomethionine, 99+% e.e.

Safety and Handling

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.

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.

GHS Signal Word: Danger

missing translation for 'rtecsNumber' : EK7713840

Product Identifier

• L(+)-Selenomethionine

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 3
• LONG-TERM AQUATIC HAZARD Chronic 1
• ACUTE AQUATIC Acute 1
• Specific target organ toxicity after repeated exposure Category 2

Hazard Statement

• H400-Very toxic to aquatic life.
• H410-Very toxic to aquatic life with long lasting effects.
• H373-May cause damage to organs.
• H331-Toxic if inhaled.
• H301-Toxic if swallowed.

Precautionary Statement

• P260-Do not breathe dust/fume/gas/mist/vapours/spray.
• P273-Avoid release to the environment.
• P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P310-Immediately call a POISON CENTER/doctor/.

RUO – Research Use Only