1,2,3,9-Tetrahydro-4-Oxocarbazole Bulk Price 2026: Market Analysis and Procurement Guide
- Market Volatility: Retail prices vary significantly from $6 to $2,600 for small packs, highlighting the need for direct bulk manufacturing.
- Technical Specs: Critical parameters include a melting point of 224-226°C and molecular weight of 185.22 g/mol.
- Supply Chain: Secure industrial purity and consistent COA documentation by partnering with a verified global manufacturer.
The pharmaceutical intermediate landscape is shifting rapidly as we approach 2026, particularly for key heterocyclic compounds used in antiemetic drug synthesis. 1,2,3,9-Tetrahydro-4-Oxocarbazole, commonly identified by CAS 15128-52-6, remains a critical building block for the production of Ondansetron and related analogues. For procurement managers and process chemists, understanding the bulk price dynamics is essential for maintaining cost-effective production lines without compromising on quality. This analysis provides a technical deep dive into pricing structures, synthesis scalability, and quality assurance protocols required for industrial-scale acquisition.
Current Market Pricing Trends for 1,2,3,9-Tetrahydro-4-oxocarbazole
Market data indicates a high degree of price fragmentation depending on the supply tier. Small-scale reagent purchases often reflect inflated logistics and packaging costs rather than the intrinsic value of the chemical. Historical data shows retail packaging (5g to 100g) ranging from as low as $12 to over $2,600, depending on the vendor's positioning and purity guarantees. However, these figures do not reflect true industrial valuation.
For large-scale procurement, the bulk price stabilizes significantly. Analysis of 500g packaging tiers suggests a market range between $230 and $480 for standard purity grades. However, relying on spot market pricing for critical intermediates introduces supply chain risk. As we move toward 2026, raw material fluctuations and regulatory compliance costs are expected to influence these baselines. Establishing long-term contracts with a global manufacturer ensures price stability and secures allocation during periods of high demand. Direct manufacturing sources typically offer superior cost structures compared to redistributors who aggregate stock from various smaller facilities.
Factors Influencing Bulk Procurement Costs in 2026
Several technical and logistical factors drive the final cost per kilogram for this carbazole derivative. Understanding these variables allows buyers to negotiate more effectively and assess vendor quotes accurately.
1. Synthesis Route and Yield Optimization
The efficiency of the synthesis route is the primary determinant of cost. Traditional methods involving cyclocondensation reactions require precise control over temperature and catalysts to maximize yield. Processes that achieve higher conversion rates reduce waste and solvent consumption, directly lowering the unit price. Advanced manufacturing facilities invest in continuous flow chemistry or optimized batch processes to ensure consistent output. When evaluating suppliers, inquiry into their manufacturing process capabilities is crucial. A robust manufacturing process minimizes the formation of side-products, such as regioisomers, which are costly to remove during purification.
2. Industrial Purity and Impurity Profiles
Standard reagent grade often cites 95% to 97% purity, but pharmaceutical applications frequently demand industrial purity exceeding 98% or 99% with specific impurity limits. The presence of Ondansetron-related impurities must be tightly controlled. Higher purity specifications require additional recrystallization steps or chromatographic purification, which increases processing time and cost. Buyers should specify their required assay limits clearly. For instance, while a 95% grade may suffice for early-stage research, GMP-grade production necessitates stricter controls documented in the COA (Certificate of Analysis).
3. Packaging and Logistics
Bulk shipments in 25kg drums or fiberboard drums reduce packaging waste and handling costs compared to multiple small bottles. Proper storage conditions are also vital; this compound should be sealed in dry conditions at room temperature to prevent degradation. Logistics costs, including hazardous material handling fees if applicable, should be factored into the total landed cost.
Technical Specifications and Quality Assurance
Ensuring the chemical identity and quality of 1,2,3,4-Tetrahydrocarbazol-4-one is paramount for downstream synthesis success. Below is a summary of critical physical and chemical properties that should be verified against incoming shipment data.
| Property | Specification | Test Method |
|---|---|---|
| CAS Number | 15128-52-6 | Registry |
| Molecular Formula | C12H11NO | Calculated |
| Molecular Weight | 185.22 g/mol | MS |
| Melting Point | 224-226°C | DSC / Capillary |
| Appearance | Off-White to Beige Solid | Visual |
| Purity (HPLC/GC) | >98.0% (Typical) | Chromatography |
| Storage | Sealed, Dry, Room Temp | Guideline |
When sourcing high-purity 1,2,3,9-Tetrahydro-4(H)-Carbazol-4-One, buyers should request comprehensive documentation including the Certificate of Analysis and Safety Data Sheets (SDS). The COA must detail the batch number, manufacturing date, and specific assay results. It is also advisable to verify the Certificates of Origin (COO) to ensure compliance with trade regulations and customs requirements. NINGBO INNO PHARMCHEM CO.,LTD. maintains rigorous quality control standards, ensuring that every batch meets the stringent requirements necessary for pharmaceutical intermediate applications.
Application in Pharmaceutical Development
This compound is widely utilized in research focused on pharmaceutical development, specifically serving as a key intermediate in the synthesis of various pharmaceuticals. Its role in the development of anti-cancer agents and antiemetics is well-documented. In organic synthesis, it acts as a robust building block for creating complex molecules, enabling researchers to explore new chemical reactions. The stability of the carbazole ring system makes it ideal for further functionalization.
How to Source High-Purity CAS 15128-52-6 at Competitive Rates
Securing a reliable supply chain for 2026 requires proactive engagement with manufacturers. Buyers should avoid relying solely on spot market listings where prices fluctuate wildly based on immediate availability. Instead, establishing a partnership with a dedicated manufacturer like NINGBO INNO PHARMCHEM CO.,LTD. offers distinct advantages.
First, direct manufacturers provide transparency regarding the manufacturing process and supply chain origin. Second, they offer scalability, allowing orders to grow from kilogram to tonnage scales without quality deviation. Third, technical support is typically more accessible, allowing process chemists to discuss specific impurity profiles or customization needs. When requesting a quote, provide detailed specifications regarding purity, packaging, and destination to receive an accurate bulk price assessment.
In conclusion, the market for 1,2,3,9-Tetrahydro-4-oxocarbazole is evolving towards greater consolidation around high-quality, verified suppliers. By focusing on technical specifications, understanding the cost drivers of synthesis and purity, and partnering with established industry leaders, procurement teams can secure favorable terms for the coming years. Prioritize vendors who demonstrate consistent quality through documented COAs and have the capacity to support long-term industrial demand.