Source Pyrroloquinoline Quinone Disodium Salt for Medicine, Food, and Health Care

Strategic Sourcing Guide for Pyrroloquinoline Quinone Disodium Salt

Procuring pyrroloquinoline quinone disodium salt requires a disciplined approach that balances technical precision with rigorous supply chain verification. As a specialized intermediate and active ingredient, this compound is characterized by its specific chemical structure and high-purity requirements. Buyers must navigate a market where product attributes vary significantly between suppliers, even when the core chemical identity remains the same. This guide outlines the essential parameters for sourcing this material, focusing on verified specifications, compliance frameworks, and quality assurance protocols derived from current market data.

Technical Specifications and Chemical Identity

The foundation of any successful procurement begins with a precise definition of the material's technical specifications. Pyrroloquinoline quinone disodium salt is distinct from its acid form, and the two are often listed with different CAS numbers. The disodium salt variant is identified by CAS No. 122628-50-6, while the acid form corresponds to 72909-34-3. Confusion between these two forms can lead to specification errors in manufacturing processes. The molecular formula for the disodium salt is typically cited as C14H4N2O8·2Na, which defines its stoichiometric composition.

When evaluating product listings, buyers should look for specific physical attributes that confirm the identity of the material. The observed state for this compound is consistently solid, presenting as a powder. The color profile is a critical visual indicator; reliable sources describe the appearance as ranging from reddish-orange to reddish-brown, or specifically as a dark red or brown-red powder. These visual cues are essential for initial quality checks upon receipt.

Purity is the most critical technical metric. Market data indicates that high-grade material often targets a PQQ content of 99%. However, specifications can vary, with some listings noting a standard of 98% or referencing the model number QMCLJ25365 to denote specific batches. The assay method used to verify this purity is High-Performance Liquid Chromatography (HPLC). Buyers must ensure that the supplier provides HPLC chromatograms as part of the Certificate of Analysis (CoA) to validate the stated purity levels. Additionally, the material is classified as a synthesis material intermediate or a refined nutrient composition, often derived from natural resources but processed to meet pharmaceutical or food-grade standards.

Compliance and Certification Verification

Navigating the regulatory landscape is paramount when sourcing ingredients intended for medicine, health care products, or food applications. The certification status of a supplier is not merely a marketing claim but a prerequisite for market access in many jurisdictions. Verified data points to several key certifications that reputable suppliers should possess. These include HACCP, FDA, and ISO standards. Specific facility certifications such as USP and ISO GMP are also frequently observed and are critical for pharmaceutical-grade production.

Buyers must verify that the certifications listed on the product page or in the supplier's documentation are current and applicable to the specific facility producing the material. The presence of certifications like ISO 9001:2008 or ISO 14001:2004 may appear in background data, but buyers should prioritize active, facility-specific GMP and FDA registrations. The material's suitability for adult consumption is another compliance factor, often linked to its intended application in health care products.

Furthermore, the origin of the material plays a significant role in compliance. The primary production locations identified in the market are China, with specific manufacturing hubs in Shandong and Shaanxi provinces. While the origin itself is not a negative indicator, it necessitates a deeper review of the supplier's export compliance history and adherence to international trade regulations. Buyers should request proof of origin and ensure that the supplier can provide documentation tracing the raw materials back to their source, especially if the product is marketed as a "Natural" resource.

Cost Drivers and Pricing Dynamics

The pricing structure for pyrroloquinoline quinone disodium salt is influenced by a complex interplay of factors, including purity levels, packaging requirements, and order volume. The observed price range in the market is extensive, spanning from $0.25 to $3,300 per unit. This wide variance is not indicative of a single product but rather reflects differences in batch sizes, purity grades, and the specific form of the material (e.g., bulk powder vs. pre-packaged samples).

The Minimum Order Quantity (MOQ) is a significant cost driver. Market data shows an MOQ range of 1 to 100 units. For small-scale research or development, buyers may find suppliers offering samples ranging from 10g to 20g, which allows for initial testing without a large financial commitment. However, for commercial production, the MOQ typically increases, and the unit cost decreases. Buyers should be aware that the "unit" in pricing may refer to grams, kilograms, or drums, making direct price comparisons difficult without normalizing the volume.

Packaging standards also impact the final cost. Standard packaging includes paper drums, aluminum bags, and double food plastic bags. The specification often lists 5kg/bag with 5 bags per drum, or 25kg/bag/drum. Customization of packaging is available in some cases, which can add to the cost but may be necessary for specific logistics or storage requirements. The capacity of the supplier, observed at 3000kg/month, suggests that large-volume orders can be fulfilled, but lead times may vary based on current production loads.

Typical Applications and Formulation Compatibility

The versatility of pyrroloquinoline quinone disodium salt is a key factor in its demand across multiple industries. The primary applications include medicine, health care products, and food. In the pharmaceutical sector, it is utilized in formulations requiring high bioavailability and stability. The material is suitable for a variety of application forms, including capsules, tablets, suppositories, lotions, and injections. This broad compatibility makes it a valuable ingredient for manufacturers developing diverse product lines.

The nutrient composition of the material is classified as a mineral, and it is often used in supplements targeting adult health. The specific chemical nature of the disodium salt enhances its solubility and stability compared to the acid form, making it particularly suitable for liquid formulations and injectables. However, the choice of application form dictates the required purity and impurity limits. For instance, injection-grade material will require stricter controls on solvent residues and heavy metals than food-grade material.

Buyers must align their product development goals with the supplier's capabilities. If the intended application is a topical lotion, the supplier's ability to provide a refined, solid powder with specific particle size characteristics is essential. For oral supplements, the focus shifts to the assay method and the absence of contaminants. The characteristic odor of the powder is another attribute that formulators must consider, as it may influence the sensory profile of the final product.

Supplier Evaluation and Quality Control

Evaluating a supplier for pyrroloquinoline quinone disodium salt requires a multi-faceted approach that goes beyond price and certification. The first step is to verify the consistency of product attributes across different listings. Discrepancies in appearance descriptions (e.g., "Reddish Orange" vs. "Dark Red") or purity claims (98% vs. 99%) can indicate a lack of standardization or potential mislabeling. Buyers should prioritize suppliers who provide detailed, batch-specific data rather than generic product descriptions.

Quality control is the backbone of reliable sourcing. The following table summarizes the critical quality parameters that should be verified through the Certificate of Analysis (CoA) for every batch received.

Buyers must ensure that the supplier's quality control protocols align with these standards. The presence of specific limits for heavy metals and microbial counts is non-negotiable for products intended for human consumption. Additionally, the storage method is typically listed as "Normal," but buyers should confirm that the supplier's storage conditions prevent degradation or moisture absorption, especially given the hygroscopic nature of many salts.

Long-Term Procurement Considerations

Sourcing pyrroloquinoline quinone disodium salt is not a one-time transaction but a long-term partnership that requires strategic planning. The availability of the material is influenced by the supplier's production capacity, which has been observed at 3000kg/month. This capacity figure provides a baseline for supply stability, but buyers should verify if this capacity is consistent or subject to seasonal fluctuations.

Customization is a key feature of the market, with some suppliers offering customized packaging and specifications. However, other listings indicate a "Non-Customized" approach. Buyers must clarify their needs early in the negotiation process. If the project requires specific packaging dimensions or labeling, the supplier must be willing and able to accommodate these requests without compromising the integrity of the product.

The lead time and capacity are also critical for inventory management. While specific lead times are not universally standardized in the provided data, the capacity suggests that large orders can be fulfilled within a reasonable timeframe. Buyers should establish clear communication channels with suppliers to monitor production schedules and anticipate potential delays. Finally, the "Resource" attribute of the material being "Natural" should be verified through supply chain audits to ensure that the sourcing of raw materials is sustainable and compliant with ethical standards.

In conclusion, successful procurement of pyrroloquinoline quinone disodium salt depends on a rigorous adherence to technical specifications, a thorough verification of certifications, and a clear understanding of the cost drivers and quality control measures. By focusing on these core areas, buyers can mitigate risks and ensure a steady supply of high-quality material for their manufacturing needs.