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CAS: 338-69-2 (D), 56-41-7 (L) ... ^a EINECS for L-alanine ^a CID 602 from PubChem ^a CID 5950 from PubChem This page was last edited on 12 April 2023, at 11: ...
Alanine was first synthesized in 1850 when Adolph Strecker combined acetaldehyde and ammonia with hydrogen cyanide. [8] [9] [10] The amino acid was named Alanin in German, in reference to aldehyde, with the interfix-an-for ease of pronunciation, [11] the German ending -in used in chemical compounds being analogous to English -ine.
L-aspartate L-alanine + CO 2. Hence, this enzyme has one substrate, L-aspartate, and two products, L-alanine and CO 2. This reaction is the basis of the industrial synthesis of L-alanine. [1] This enzyme belongs to the family of lyases, specifically the carboxy-lyases, which cleave carbon-carbon bonds.
In enzymology, an alanine-oxo-acid transaminase (EC 2.6.1.12) is an enzyme that catalyzes the chemical reaction. L-alanine + a 2-oxo acid pyruvate + an L-amino acid. Thus, the two substrates of this enzyme are L-alanine and 2-oxo acid, whereas its two products are pyruvate and L-amino acid.
Alanine dehydrogenase (EC 1.4.1.1) is an enzyme that catalyzes the chemical reaction. L-alanine + H 2 O + NAD + pyruvate + NH 3 + NADH + H +. The 2 substrates of this enzyme are L-alanine, water, and nicotinamide adenine dinucleotide + because water is 55M and does not change, whereas its 4 products are pyruvate, ammonia, NADH, and hydrogen ion.
An obvious synthesis route to α-alaninediacetic acid is from racemic α-DL-alanine, which provides racemic α-ADA by double cyanomethylation with methanal and hydrogen cyanide, hydrolysis of the intermediately formed diacetonitrile to the trisodium salt and subsequent acidification with mineral acids in a 97.4% overall yield. [4]
Cysteic acid also known as 3-sulfo-l-alanine is the organic compound with the formula HO 3 SCH 2 CH(NH 2)CO 2 H. It is often referred to as cysteate, which near neutral pH takes the form − O 3 SCH 2 CH(NH 3 +)CO 2 −. It is an amino acid generated by oxidation of cysteine, whereby a thiol group is fully oxidized to a sulfonic acid/sulfonate ...
β-Alanine (beta-alanine) is a naturally occurring beta amino acid, which is an amino acid in which the amino group is attached to the β-carbon (i.e. the carbon two carbon atoms away from the carboxylate group) instead of the more usual α-carbon for alanine (α-alanine). The IUPAC name for β-alanine is 3-aminopropanoic acid.