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API Reference Standards

Selenomethionine

Reference StandardAvailable on request

Order Selenomethionine (CAS 1464-42-2) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-043644.

Pack sizes
Selenomethionine chemical structure
CAS number1464-42-2
FormulaC5H11NO2Se
Molar mass196.12 g/mol
Physical formSolid
HS code38229090
InChIKeyRJFAYQIBOAGBLC-UHFFFAOYSA-N
IUPAC name2-amino-4-methylselanylbutanoic acid

About Selenomethionine

Selenomethionine is supplied by Zemixal as a characterised reference material for Methionine analysis. Key data (Reference Standard): CAS 1464-42-2, formula C5H11NO2Se and molar mass 196.12 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Safe handling

Classified under GHS with signal word Danger and hazard statements H301, H331, H373 and H400. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Methionine

See every impurity, metabolite and related compound we list for this API.

Methionine standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Selenomethionine
Product nameSelenomethionine
Catalogue numberZX-043644
CAS number1464-42-2
IUPAC name2-amino-4-methylselanylbutanoic acid
Molecular formulaC5H11NO2Se
Molar mass196.12 g/mol
Exact mass196.9955
GradeReference Standard
Physical formSolid
H-bond donors / acceptors2 / 3
Topological polar surface area63.3 Ų
HS code38229090
InChIKeyRJFAYQIBOAGBLC-UHFFFAOYSA-N
SMILESC[Se]CCC(C(=O)O)N
PubChem CID15103
SynonymsDL-Selenomethionine, Seleno-DL-methionine, Butanoic acid, 2-amino-4-(methylseleno)-, Methionine, seleno, Butyric acid, 2-amino-4-(methylselenyl)-, Radioselenomethionine, SelenoSource AF 2000, Se 75, Selenomethionine, 2-Azaniumyl-4-methylselanylbutanoate, 2-amino-4-(methylselanyl)butanoic acid, Selenomethionine (van)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Selenomethionine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Selenomethionine

Which CAS number identifies Selenomethionine?
Selenomethionine is registered under CAS 1464-42-2. You may also see it listed as DL-Selenomethionine, Seleno-DL-methionine, Butanoic acid, 2-amino-4-(methylseleno)-. Our catalogue number for this item is ZX-043644.
What are the formula and molar mass of Selenomethionine?
For Selenomethionine, its formula is C5H11NO2Se and its molar mass is 196.12 g/mol. The systematic (IUPAC) name is 2-amino-4-methylselanylbutanoic acid. InChIKey RJFAYQIBOAGBLC-UHFFFAOYSA-N lets you match it in any structure database.
How is Selenomethionine used in pharmaceutical QC?
Selenomethionine is a characterised reference material linked to Methionine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Selenomethionine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Selenomethionine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Selenomethionine to my country?
Yes. Because Selenomethionine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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