hyaluronic acid

Compound Overview

Research Use Only. Not for Human Consumption.

Hyaluronic acid is supplied by Nexus as a 5mg research catalog variant under SKU HA5. The supplied research record identifies hyaluronic acid, also described as hyaluronan, as a polymeric glycosaminoglycan reagent composed of repeating disaccharide units.

This page is intentionally limited to the provided Nexus product data and the supplied hyaluronic acid research record. The source data provides the polymer CAS number, molecular formula notation, broad chemical classification, physical form, intended-use language, and storage guidance. It does not provide a fixed molecular weight, molecular-weight grade, salt form, sequence, purity percentage, batch number, COA release values, HPLC retention time, mass-found result, reconstitution solvent, solution-stability interval, or quantitative literature endpoints. Those values are not inferred.

• Product: hyaluronic acid
• Available Research Size: 5mg
• SKU: HA5
• Catalog Category: Cosmetic & Skin
• Classification: Glycosaminoglycan polymer
• Structural Description: Hyaluronic acid / hyaluronan polymer composed of repeating disaccharide units; molecular weight is grade-dependent.
• CAS Number: 9004-61-9
• Molecular Formula: (C₁₄H₂₁NO₁₁)_n
• Molecular Weight: Not applicable / not confirmed for this SKU
• Physical Form: Lyophilized powder
• Use: For in-vitro research use only. Not for human consumption.

Research Background & Published Literature

The supplied research overview states that hyaluronic acid is a polymeric glycosaminoglycan reagent and that its functional behavior depends heavily on molecular-weight grade and salt form. That molecular-weight dependency is central to this SKU's documentation boundary: Nexus should publish the polymer CAS and rely on lot-level molecular-weight range documentation rather than assigning a single universal molecular weight to the product page.

Because hyaluronic acid is represented as a polymer, the formula is provided in repeat-unit notation as (C₁₄H₂₁NO₁₁)_n. The variable n reflects polymer length and is the reason a single fixed molecular weight is not stated in the supplied record. The source data explicitly warns that molecular weight depends on polymer grade and cannot be represented as one fixed value for this catalog item.

The research file does not provide citation-level experimental details such as journal titles, PubMed identifiers, DOI identifiers, assay systems, cell models, test concentrations, exposure times, analytical conditions, or quantitative outcomes. This section therefore stays at the level of compound identity, polymer classification, and documentation requirements instead of adding literature claims not present in the source data.

The supplied source list includes the following background references:

Those links are included because they appear in the supplied research record. This product description does not expand beyond the facts supplied in the Nexus research data.

Researchers reviewing the literature around this compound can use the peer-reviewed resources below for additional context on mechanism of action, signaling pathways, and controlled laboratory research applications:

• Fraser et al. (1997) — J Intern Med
• Fallacara et al. (2018) — Polymers (Basel)
• Toole (2009) — Clin Cancer Res

Storage, Handling & Stability Guidelines

The supplied storage guidance is to store hyaluronic acid dry, tightly sealed, and protected from moisture. The source record also instructs researchers to follow the supplier COA for molecular-weight grade and solution stability.

• Store the lyophilized powder dry.
• Keep the container tightly sealed when not in active laboratory use.
• Protect the material from moisture exposure.
• Review current lot documentation for molecular-weight grade.
• Use current COA or supplier documentation for solution-stability expectations.

The supplied record does not specify a storage temperature, light-protection requirement, reconstitution solvent, target concentration, post-reconstitution expiration period, freeze-thaw tolerance, container material, or formal stability-study result. Those details should be established from current lot documentation or a laboratory-validated protocol, not by extrapolation from adjacent catalog items.

Lab Verification

Nexus maintains research-compound verification records through the Lab Verified archive. In general terms, HPLC verification is used to evaluate chromatographic profile and purity-related characteristics, while MS verification is used to support molecular-identity confirmation where current lot documentation is available.

No exact hyaluronic acid COA values were provided in the current product record. The data does not include a batch number, purity percentage, HPLC chromatogram value, retention time, expected mass, observed mass, molecular-weight distribution report, release date, or analyst field. Researchers should review the current /lab-verified record and any available COA before incorporating hyaluronic acid into a controlled in-vitro workflow.