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Chemical structure of beta Alanine | 107-95-9
CAS: 107-95-9
SKU: S2396
beta Alanine | SKU: S2396
Synonyms: 3-Aminopropanoic acid; 3-Aminopropionic acid; β-Alanine
Chemical structure of beta Alanine | 107-95-9
Beta-alanine is a naturally occurring, non-protein beta-amino acid — chemically distinct from the twenty standard alpha-amino acids — best known as the body’s rate-limiting building block for the histidine dipeptides carnosine and anserine, and as a metabolic precursor to pantothenic acid (vitamin B5). Its beta-positioned amino group also gives it distinctive receptor activity, acting on glycine receptors and on the orphan G-protein-coupled receptor MrgD (TGR7). Sarchem Labs supplies Beta-Alanine (CAS 107-95-9, SKU S2396) as a white crystalline powder, with each lot supported by a Certificate of Analysis and Safety Data Sheet. The material is used across biochemical and pharmacological research, dietary supplement and sports-nutrition formulation, and general organic synthesis as a small-molecule building block.
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Specifications

Melting Point198 °C (existing Sarchem spec; Sigma's CRM reference lists 202°C dec. — kept Sarchem's figure, see note)
Flash PointNot applicable (non-combustible solid)
ColorWhite
Formula Weight89.09
Physical FormCrystalline powder
Chemical Name or Material3-Aminopropanoic acid (Beta-Alanine)
Molecular FormulaNH₂CH₂CH₂COOH (C₃H₇NO₂)
Molecular Weight89.09 g/mol
SMILES StringNCCC(O)=O
Beilstein906793
CAS Number107-95-9
Storage Temperature2–30 °C (recommended)
EC Number203-536-5
NACRESNA.24
PubChem Substance ID329823333
UNSPSC Code41116107
MDL NumberMFCD00008200
Quality Segment300
InChI1S/C3H7NO2/c4-2-1-3(5)6/h1-2,4H2,(H,5,6)
InChI KeyUCMIRNVEIXFBKS-UHFFFAOYSA-N

Applications

Raw material for dietary supplement and sports-nutrition formulations, where it functions as the rate-limiting precursor for intramuscular carnosine synthesis
Biochemical and pharmacological research into glycine-receptor activity and MrgD (TGR7) receptor signaling
Small-molecule building block in organic and peptide synthesis
Reagent/model compound in osmoprotection and cell-stress research
Research into pantothenic acid (vitamin B5) biosynthetic pathways

Product Description

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What is Beta-Alanine?

Beta-Alanine is the only naturally occurring beta-amino acid, meaning its amino group sits on the second carbon from the carboxylic acid rather than the first, as in the twenty standard proteinogenic amino acids. Because it isn’t incorporated into proteins, it circulates and acts as a free metabolic intermediate: plants use it as a route to pantothenate (vitamin B5), and in animals it is best known as the building block that combines with L-histidine to form carnosine and anserine.

Structurally, Beta-Alanine is a small, water-soluble molecule (C₃H₇NO₂, MW 89.09) that crystallizes as a white powder. It can stimulate glycine receptors broadly, without much selectivity for particular receptor subtypes, and it interacts with the orphan receptor MrgD (TGR7) as well.

Uses of Beta-Alanine

The best-documented application is as the precursor amino acid for carnosine synthesis, the basis for its use in sports-nutrition and dietary-supplement manufacturing aimed at supporting muscular buffering capacity during sustained effort. This same biochemical role also makes it a standard tool compound in laboratories studying muscle physiology and antioxidant dipeptide metabolism.

Beyond nutrition-focused uses, Beta-Alanine is employed in general biochemical and cell-biology research, including studies of osmotic/hypoxic cell stress protection. Its small, bifunctional structure also makes it a convenient building block for organic and peptide synthesis work.

Safety Information

  • Storage Class: 13 – Non-Combustible Solids
  • Water Hazard Class (WGK): 1 (slightly hazardous to water)
  • Flash Point: Not applicable
  • GHS Classification: No GHS pictograms, signal word, hazard statements, or precautionary statements were found in the reference data reviewed, suggesting a low apparent hazard profile — this should not substitute for Sarchem’s own SDS.
  • Handling/PPE: Standard laboratory PPE recommended as good practice — safety glasses, gloves, and dust control — even without a specific hazard classification.
  • Storage: Tightly closed container, cool dry area, 2–30 °C.

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FAQs: beta Alanine

Standard amino acids have their amino group on the alpha carbon and are used to build proteins. Beta-Alanine has its amino group one carbon further away, so it isn't incorporated into proteins and instead functions as a free metabolic intermediate, most notably as the precursor to carnosine.

Sarchem's S2396 is supplied as a standard bulk commodity chemical, not a certified pharmaceutical reference standard. Customers needing a certified grade or pharmacopeial traceability should contact Sarchem directly to confirm before ordering.

Every lot ships with a Certificate of Analysis and a Safety Data Sheet. Specific assay values are reported on the lot-specific COA.

It is the rate-limiting building block for carnosine synthesis, a dipeptide involved in buffering pH changes in muscle tissue during sustained exertion.

As a non-combustible crystalline solid, best kept in a tightly sealed container in a cool, dry location, generally within a 2–30 °C range.