High-purity Nicotinamide Adenine Dinucleotide for sale is available from PX1 Research as a research-grade coenzyme strictly intended for in vitro assays and preclinical laboratory investigation. Formulated to meet stringent analytical benchmarks, each lot undergoes independent third-party mass spectrometry and high-performance liquid chromatography testing to guarantee chemical identity, exact purity, and lot-to-lot consistency for advanced metabolic research.
High-purity Nicotinamide Adenine Dinucleotide for sale is available from PX1 Research as a research-grade coenzyme strictly intended for in vitro assays and preclinical laboratory investigation. Formulated to meet stringent analytical benchmarks, each lot undergoes independent third-party mass spectrometry and high-performance liquid chromatography testing to guarantee chemical identity, exact purity, and lot-to-lot consistency for advanced metabolic research.
When purchasing nicotinamide adenine dinucleotide for sale, research institutions requiring high analytical fidelity must prioritize chemical identity, absolute purity, and verifiable batch uniformity. Nicotinamide Adenine Dinucleotide (NAD+) is a pivotal pyridine nucleotide coenzyme fundamental to cellular redox reactions and metabolic signaling cascades. In vitro and preclinical model systems rely on unadulterated, highly stable formulations to prevent oxidative degradation, enzymatic hydrolysis, or contaminant-induced experimental artifact.
PX1 Research supplies USA-manufactured research compounds synthesized and packaged under strict quality management systems. Every batch of Nicotinamide Adenine Dinucleotide offered for laboratory research undergoes comprehensive analytical validation, including reverse-phase high-performance liquid chromatography (RP-HPLC) and electrospray ionization mass spectrometry (ESI-MS). By providing clear documentation and lot-specific Certificates of Analysis (COAs), PX1 Research ensures that investigators receive pristine reagents optimized for quantitative biochemical assays.
Nicotinamide Adenine Dinucleotide exists in two dynamic states within biological systems: the oxidized form (NAD+) and the reduced form (NADH). Structurally, the molecule comprises two mononucleotides—nicotinamide mononucleotide and adenosine monophosphate—joined through their phosphate groups by a pyrophosphate linkage. The primary reactive center resides on the nicotinamide ring, which accepts a hydride ion (two electrons and one proton) during catabolic substrate oxidation.
In cell-free assays and isolated organelle preparations, NAD+ serves as a universal electron acceptor in glycolysis, the tricarboxylic acid (TCA) cycle, and fatty acid beta-oxidation. Preclinical literature emphasizes that maintaining a high NAD+/NADH ratio is vital for driving mitochondrial electron transport chain activity, particularly Complex I (NADH:ubiquinone oxidoreductase). Researchers utilizing research-grade dinucleotides can explore metabolic flux, enzyme kinetics, and cellular bioenergetics under precisely controlled laboratory conditions.
Beyond its classic role as a redox coenzyme, NAD+ functions as a obligate cosubstrate for class III histone deacetylases, commonly referred to as sirtuins (SIRT1–SIRT7). Sirtuins regulate critical nuclear and mitochondrial processes, including chromatin remodeling, transcriptional silencing, DNA damage repair, and mitochondrial biogenesis. During the enzymatic deacetylation of target lysine residues, NAD+ is consumed, cleaving into nicotinamide and O-acetyl-ADP-ribose.
In vitro data indicate that fluctuating intracellular NAD+ concentrations directly modulate sirtuin catalytic rate. Researchers studying chromatin dynamics and transcriptional regulation frequently introduce exogenous dinucleotides into culture models or cell-free enzymatic reactions to evaluate SIRT1-mediated histone deacetylation or SIRT3-mediated mitochondrial enzyme activation. You can explore related pathways across our entire catalog of research peptides to design comprehensive metabolic experiment sets.
In addition to sirtuin signaling, NAD+ acts as a substrate for Poly(ADP-ribose) Polymerases (PARPs), primarily PARP1 and PARP2, which are activated by single- and double-strand DNA breaks. Upon activation, PARP enzymes transfer ADP-ribose moieties from NAD+ onto target nuclear proteins, forming long, branched poly(ADP-ribose) polymers that recruit DNA repair machinery. Preclinical models of genomic stress demonstrate that hyperactivation of PARPs can rapidly deplete intracellular NAD+ pools, compromising mitochondrial oxidative phosphorylation.
Investigating the interplay between PARP consumption, sirtuin signaling, and mitochondrial ATP production requires high-purity dinucleotides devoid of inhibitory contaminants. Researchers evaluating cellular stress pathways rely on consistent reagents to measure mitochondrial membrane potential, oxygen consumption rate (OCR), and extracellular acidification rate (ECAR) without confounding baseline variations. Access detailed technical studies in our dedicated research hub to examine non-clinical models of cellular energy failure.
To ensure reproducible data across cell culture and cell-free assay environments, nicotinamide adenine dinucleotide for sale must meet rigid quality benchmarks. Commercial dinucleotide preparations are susceptible to hygroscopic degradation, hydrolysis into nicotinamide and ADP-ribose, or contamination by bacterial endotoxins. PX1 Research executes a rigorous multi-tier testing protocol on every production lot.
Purity is verified via RP-HPLC utilizing photodiode array detection at 260 nm and 340 nm to confirm the absence of degradation products. Mass spectrometry confirms exact molecular weight (663.43 g/mol for the free acid). Furthermore, chromogenic Limulus Amebocyte Lysate (LAL) assays are conducted to ensure endotoxin levels remain strictly below standard threshold limits (<0.01 EU/mg), preventing non-specific inflammatory signaling in primary cell assays or organoid cultures. Lab managers seeking bulk quantities can coordinate specialized testing through our wholesale program.
In preclinical model design, selecting the appropriate dinucleotide or precursor depends heavily on cellular permeability, transport mechanics, and enzyme expression profiles. While direct application of NAD+ is ideal for cell-free enzyme assays and membrane-permeabilized preparations, intact cellular models often utilize upstream metabolic precursors to elevate endogenous dinucleotide pools.
When structuring comparative metabolic studies, investigators frequently evaluate Nicotinamide Mononucleotide (NMN) alongside Nicotinamide Riboside (NR) and direct NAD+. NMN serves as the immediate precursor converted to NAD+ via NMNAT enzymes, whereas NR requires initial phosphorylation by NRK1/2. In contrast, direct administration of research-grade NAD+ enables exact concentration control for evaluating extracellular ecto-enzymes such as CD38 and CD203a, as well as specific connexin hemichannel transport pathways.
Nicotinamide Adenine Dinucleotide is supplied as a lyophilized powder or crystalline solid to ensure maximum chemical stability during transit and storage. Proper laboratory handling is essential to prevent rapid degradation once reconstituted in aqueous media:
1. Solvent Selection: Reconstitute in sterile, nuclease-free, deionized water or buffered physiological saline (PBS, pH 7.2–7.4). Avoid strong acidic or basic solutions, as NAD+ undergoes rapid cleavage under extreme pH conditions. 2. Aliquoting: Prepare single-use aliquots immediately following initial reconstitution to prevent damage from repeated freeze-thaw cycles. 3. Thermal Storage: Store the lyophilized compound at -20°C or -80°C in a desiccated environment. Reconstituted aqueous solutions should be used immediately or stored at -80°C for short durations. 4. Light Sensitivity: Protect concentrated solutions from prolonged exposure to direct light sources to avoid photo-oxidation of the nicotinamide ring structure.
Maintaining cold-chain integrity from synthesis to final delivery is vital when purchasing nicotinamide adenine dinucleotide for sale. Temperature fluctuations during shipping can accelerate moisture absorption and enzymatic/chemical breakdown. PX1 Research operates state-of-the-art storage facilities in California and Arizona, utilizing climate-controlled storage conditions and thermal-insulated packaging.
Orders placed Monday through Friday ship same-day from our dual West Coast fulfillment nodes. Every unit features standard barcode tracking and lot numbering mapped directly to its analytical Certificate of Analysis, allowing academic and industrial laboratories to maintain seamless traceability records for institutional oversight and audit compliance.
Securing high-purity research compounds requires a dependable supply partner committed to transparency, compliance, and rigorous scientific standards. PX1 Research provides academic institutions, biotechnology firms, and contract research organizations (CROs) with premium-grade reagents verified by independent ISO 17025 accredited laboratories.
Whether executing high-throughput enzyme inhibition screens, studying mitochondrial biogenesis via cellular energy peptides, or quantifying NAD+/NADH redox ratios, PX1 Research delivers reliable chemical tools. Explore our catalog or register for a corporate research account to access batch-specific documentation and volume-based procurement options.
What is the purity specification for Nicotinamide Adenine Dinucleotide for sale at PX1 Research?
PX1 Research guarantees a minimum purity of 98% for Nicotinamide Adenine Dinucleotide, verified via reverse-phase high-performance liquid chromatography (RP-HPLC) and mass spectrometry (MS). A lot-specific Certificate of Analysis is accessible for every batch.
Is this product intended for human administration or clinical use?
No. Nicotinamide Adenine Dinucleotide supplied by PX1 Research is strictly sold as a research compound for laboratory, in vitro, and preclinical research applications only. It is not formulated, labeled, or approved for human consumption, clinical trials, or therapeutic use.
How should lyophilized NAD+ be stored upon receipt in the laboratory?
Upon receipt, the lyophilized powder should be stored at -20°C or -80°C in a dry, dark environment with desiccant. Reconstituted stock solutions should be divided into single-use aliquots and maintained at -80°C to prevent degradation from freeze-thaw cycles.
What solvent is recommended for reconstituting NAD+ for cell culture assays?
Reconstitution should be performed using sterile, nuclease-free water or phosphate-buffered saline (PBS) adjusted to physiological pH (7.2–7.4). Avoid high temperature or non-neutral pH conditions that accelerate hydrolysis.
How does PX1 Research verify endotoxin levels in dinucleotide batches?
Every lot undergoes quantitative chromogenic Limulus Amebocyte Lysate (LAL) testing to confirm that bacterial endotoxin levels remain well below critical thresholds (<0.01 EU/mg), ensuring suitability for sensitive primary cell cultures.
What is the difference between NAD+, NMN, and NR in research settings?
NAD+ is the active coenzyme utilized directly in redox reactions and by enzymes like sirtuins and PARPs. NMN (Nicotinamide Mononucleotide) and NR (Nicotinamide Riboside) are upstream biosynthetic precursors converted into NAD+ within cellular pathways.
Where are PX1 Research compounds manufactured and shipped from?
All PX1 Research compounds are manufactured in domestic GMP-compliant facilities within the USA. Orders are fulfilled and shipped same-day (Monday through Friday) from our primary fulfillment centers located in California and Arizona.
How can researchers obtain batch-specific Certificates of Analysis (COA)?
Lot-specific COAs displaying RP-HPLC chromatograms, mass spectrometry data, and endotoxin assay results can be accessed directly on the product page or by contacting PX1 Research support with the lot number printed on the vial.
All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.