Methylselenocysteine

Name: Methylselenocysteine
Brand: Vaqora Chemicals
SKU: VQ-050355

About Methylselenocysteine

Vaqora Chemicals supplies Methylselenocysteine, a carboxylic acid registered under CAS number 26046-90-2. The compound has the formula C4H9NO2Se, corresponding to a molecular weight of 182.09 g/mol. The IUPAC name is (2R)-2-amino-3-methylselanylpropanoic acid. It is also known as Se-methylselenocysteine or 3-(Methylseleno)-L-alanine.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methylselenocysteine
Catalogue No.	VQ-050355
CAS Number	26046-90-2
IUPAC name	(2R)-2-amino-3-methylselanylpropanoic acid
Molecular formula	C₄H₉NO₂Se
Molecular weight	182.09 g/mol
Exact mass	182.9798
InChIKey	XDSSPSLGNGIIHP-VKHMYHEASA-N
SMILES	C[Se]C[C@@H](C(=O)O)N
PubChem CID	147004

Physical properties
Physical form	Other
H-bond donors / acceptors	2 / 3
TPSA	63.3 Å²
Synonyms	Se-methylselenocysteine, 3-(Methylseleno)-L-alanine, L-Alanine, 3-(methylseleno)-, Se-Methyl-selenocysteine, Selenium-methylselenocystine, Se-Methyl-seleno-L-cysteine, L-Se-methylselenocysteine, (2R)-2-amino-3-(methylselanyl)propanoic acid, Selenomethylselenocysteine, Selenium methyl cysteine, Methylselenocycteine

Safety & hazard information (GHS)

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H331Toxic if inhaled
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P316, P319, P321, P330, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Methylselenocysteine?

The CAS Registry Number of Methylselenocysteine is 26046-90-2. It is also known as Se-methylselenocysteine, 3-(Methylseleno)-L-alanine, L-Alanine, 3-(methylseleno)-.

What is the molecular formula and molecular weight of Methylselenocysteine?

Methylselenocysteine has the molecular formula C4H9NO2Se and a molecular weight of 182.09 g/mol. Its IUPAC name is (2R)-2-amino-3-methylselanylpropanoic acid.

Which grade and pack sizes of Methylselenocysteine can I order?

We supply Methylselenocysteine, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methylselenocysteine?

Yes. Every lot of Methylselenocysteine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methylselenocysteine be shipped internationally?

Yes. Methylselenocysteine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.