Pharmaceutical Grade 4-Methylcyclohexylamine Hydrochloride Specifications
- Isomer Specificity: Strict control over trans-isomer purity (CAS 33483-65-7) to ensure stereochemical integrity in downstream reactions.
- Quality Assurance: Comprehensive HPLC analysis and impurity profiling compliant with GMP standard requirements for active pharmaceutical ingredients.
- Bulk Availability: Scalable manufacturing process capable of meeting global demand for industrial purity chemical building blocks.
In the realm of advanced organic synthesis, the selection of high-quality amine salts is critical for ensuring consistent reaction yields and product safety. trans-4-Methylcyclohexylamine HCl serves as a vital intermediate in the production of various pharmaceutical compounds and agrochemicals. As a leading global manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. adheres to rigorous specifications to deliver material that meets the exacting standards of modern drug development. This document outlines the technical specifications, quality control protocols, and manufacturing capabilities associated with this key chemical entity.
Physicochemical Properties and Molecular Data
Understanding the fundamental molecular characteristics is the first step in validating the suitability of a reagent for complex synthesis. The trans-isomer of 4-methylcyclohexylamine hydrochloride is distinguished by its specific stereochemistry, which influences solubility, reactivity, and crystallization behavior. The following table details the essential physicochemical parameters required for quality assurance teams during incoming raw material inspection.
| Property | Specification |
|---|---|
| CAS Number | 33483-65-7 |
| Molecular Formula | C7H16ClN |
| Molecular Weight | 149.66 g/mol |
| IUPAC Name | 4-methylcyclohexan-1-amine;hydrochloride |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 1 |
| Topological Polar Surface Area | 26 Ε² |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Isomer Type | Trans (Primary Specification) |
HPLC Purity Analysis and Assay Limits
For any pharmaceutical grade intermediate, assay purity is the most critical metric. Standard operational procedures dictate that trans-MCHA HCl must undergo rigorous High-Performance Liquid Chromatography (HPLC) testing. The target assay for bulk production typically exceeds 98.0%, with strict limits on related substances. The chromatographic method is optimized to separate the trans-isomer from its cis-counterpart (CAS 33483-66-8), as the presence of the cis-isomer can alter the stereochemical outcome of subsequent nucleophilic substitutions.
Impurity profiling is conducted to identify any residual starting materials, solvents, or by-products from the neutralization process. Acceptable limits for individual unspecified impurities are generally set below 0.10%, with total impurities not exceeding 0.5%. This level of industrial purity ensures that downstream processing does not require excessive purification steps, thereby improving overall process economics and yield.
Impurity Profile and Stereochemistry Verification
The distinction between cis and trans isomers is paramount in this chemistry. The trans-configuration offers specific conformational advantages in ring-substitution reactions. Verification of stereochemistry is achieved through a combination of NMR spectroscopy and chiral HPLC where necessary. The coupling constants in the proton NMR spectrum provide definitive evidence of the equatorial positioning of the amine and methyl groups characteristic of the trans-isomer.
During the manufacturing process, care is taken to minimize isomerization. Thermal stress or harsh pH conditions during salt formation can potentially lead to equilibration between isomers. Therefore, process controls focus on maintaining mild temperatures during the addition of hydrochloric acid to the free amine. This ensures that the final chemical building block retains its structural integrity. Clients requiring detailed impurity profiles can request a comprehensive Certificate of Analysis (COA) with each shipment, detailing the specific retention times and integration values for all detected peaks.
Batch-to-Batch Reproducibility Standards
Consistency is the hallmark of a reliable supply chain. Variations in particle size, moisture content, or trace metal levels can impact the flowability and reactivity of the powder in large-scale reactors. NINGBO INNO PHARMCHEM CO.,LTD. implements strict batch-to-batch reproducibility standards. Each production lot is sampled according to statistical quality control plans. Parameters such as loss on drying (LOD) and residue on ignition (ROI) are monitored to ensure compliance with internal specifications.
Moisture content is typically controlled to below 0.5% to prevent hydrolysis or clumping during storage. Furthermore, heavy metal testing is conducted to ensure compliance with ICH Q3D guidelines, making the material suitable for use in synthesizing active pharmaceutical ingredients (APIs). This commitment to quality allows process chemists to scale reactions from milligram to kilogram scale without re-optimizing conditions due to raw material variability.
Procurement and Supply Chain Integrity
Securing a stable supply of high-quality intermediates is essential for maintaining production schedules. When sourcing high-purity trans-4-Methylcyclohexylamine hydrochloride, buyers should prioritize manufacturers with established quality management systems. Bulk pricing structures are available for large-volume contracts, offering cost efficiencies for long-term projects. The supply chain is audited to ensure raw material traceability from precursor chemicals to the final packaged product.
Packaging options include double-lined polyethylene bags within fiber drums or specialized containers for moisture-sensitive shipments. Custom labeling and documentation support are provided to facilitate smooth customs clearance and regulatory filings. By partnering with a dedicated manufacturer, pharmaceutical companies can mitigate the risks associated with supply chain disruptions and quality deviations.
Conclusion
The successful synthesis of complex molecules relies heavily on the quality of the starting materials. trans-4-Methylcyclohexylamine HCl is a versatile intermediate that demands precise specification control regarding isomer ratio and purity. Through advanced analytical testing and robust manufacturing processes, NINGBO INNO PHARMCHEM CO.,LTD. delivers material that supports the rigorous demands of the pharmaceutical industry. For technical inquiries or bulk procurement requests, our team is equipped to provide detailed synthesis route information and commercial terms tailored to your project needs.