certified reference material
amino acids, peptides, proteins
gas chromatography (GC): suitable
185 °C (dec.) (lit.)
flavors and fragrances
food and beverages
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13 - Non Combustible Solids
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
Based on a molecular formula of C5H10N2O3, the molecular weight to seven significant figures is 146.1456. Over the years, this value may have been reported in Sigma-Aldrich documentation or on labels as either 146.15 (by rounding up) or 146.14 (by truncation). The material itself has not changed.
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Separation of L-Alanine; Glycine; L-Valine; L-Leucine; L-Isoleucine; L-Proline; L-Methionine; L-Serine; L-Threonine; L-Phenylalanine; L-Aspartic acid; L-4-Hydroxyproline; L-Cysteine; L-Glutamic acid; L-Asparagine; L-Lysine; L-Glutamine; L-Histidine; L-Tyrosine; L-Tryptophan; L-Cystine