How is THCp made?
- Lindsey Goldstein
- Jun 28, 2024
- 8 min read
Updated: Oct 3

THCp stands apart from other cannabinoids due to its extraordinary binding affinity to CB1 receptors, making it one of the most potent compounds discovered in hemp to date. Unlike Delta-8, Delta-9, or even HHC, the path to THCp is neither straightforward nor widely standardized.Â
Its production requires precision chemistry, specialized catalysts, and carefully monitored reaction conditions that minimize degradation while ensuring reproducibility.Â
For brands and formulators, THCp production impacts compliance, scalability, and product stability. While the science is still relatively new, manufacturers are working their way towards figuring out different approaches to consistently produce this rare cannabinoid at scale. This article outlines the chemical routes, processing challenges, and manufacturing considerations that define how THCp comes to market.
Key Takeaways
THCp is synthesized from CBD via acid-catalyzed reactions that extend its alkyl chain, boosting CB1 receptor binding by 30x+.
Production requires advanced chemical processes, CBD purification, precise isomerization, and multi-step chromatography to yield high-purity THCp.
Proper reaction control and catalyst selection impact yields (40–80%) and reduce unwanted byproducts like Delta-8 and iso-THC isomers.
THCp’s extreme potency demands specialized formulation strategies for vapes, edibles, and tinctures, with a strong focus on dosing precision.
Trusted suppliers must demonstrate full transparency, synthetic expertise, and provide complete analytical, legal, and regulatory documentation.
Arvida Labs offers rigorously tested, high-purity THCp distillates with full documentation, helping brands develop compliant, effective cannabinoid products. Contact us to learn more today.
THCp: Molecular Structure and Potency Profile
THCp, or tetrahydrocannabiphorol, represents a significant advancement in cannabinoid science since its discovery by Italian researchers in 2019. This naturally occurring compound shares THC's core structure but features a critical difference: an extended 7-carbon alkyl side chain compared to THC's 5-carbon chain.
This structural modification dramatically enhances THCp's binding affinity to CB1 receptors in the endocannabinoid system. Research indicates THCp binds 33 times more effectively than traditional Delta-9 THC, though this doesn't translate to 33 times greater potency due to receptor saturation limits. The extended alkyl chain allows for stronger hydrophobic interactions with the receptor binding pocket, resulting in increased receptor activation and potentially more pronounced psychoactive effects.
From a manufacturing standpoint, this molecular difference requires specific synthetic approaches that can accurately modify CBD's alkyl chain length while maintaining molecular integrity. The precision required in this transformation makes THCp synthesis significantly more complex than standard Delta-8 or Delta-10 THC production.

The Complete THCp Manufacturing Process
Due to its minimal natural occurrence in cannabis plants, commercial THCp production relies entirely on laboratory synthesis from more abundant cannabinoids. This multi-stage process demands precise chemical knowledge, specialized equipment, and stringent quality controls to produce consistent, high-purity THCp suitable for consumer products.

Stage 1: High-Purity CBD Isolation and Preparation
THCp synthesis begins with obtaining pharmaceutical-grade CBD isolate from compliant hemp sources. This foundation stage critically impacts final product quality and manufacturing efficiency.
Hemp Selection and Sourcing: Premium hemp cultivation focuses on varieties with consistently high CBD content (15-20% by dry weight) and minimal contamination from pesticides, heavy metals, or mycotoxins. Our lab data consistently shows that hemp sourced from controlled agricultural environments produces CBD with fewer impurities, reducing downstream purification requirements and improving overall THCp yields.
Supercritical CO2 Extraction Protocol: Advanced extraction employs supercritical CO2 under precisely controlled conditions: temperatures maintained between 35-40°C and pressures ranging from 250-300 bar. These parameters maximize CBD extraction efficiency while minimizing thermal degradation and avoiding residual solvent contamination that could interfere with subsequent isomerization reactions.
Winterization and Decarboxylation: Following initial extraction, crude CBD undergoes winterization in food-grade ethanol at -80°C for 24-48 hours to remove waxes, lipids, and chlorophyll. The resulting solution is filtered through activated carbon and subjected to controlled decarboxylation at 110°C for 60 minutes, converting CBDA to active CBD while preventing thermal degradation.
Final Purification to 99%+ Purity: The CBD concentrate undergoes rotary evaporation to remove ethanol, followed by short-path distillation under vacuum (0.1-1 mmHg) at temperatures between 160-180°C. This produces CBD isolate with purity levels exceeding 99%, providing the clean starting material, which is important for efficient THCp synthesis.
Stage 2: CBD to THCp Isomerization Chemistry
The conversion of CBD to THCp involves sophisticated organic chemistry reactions that modify the cannabinoid's alkyl side chain structure. This process requires precise control of reaction conditions and careful monitoring to achieve optimal yields while minimizing byproduct formation.
Alkyl Chain Extension Methodology: THCp synthesis works by extending the normal 5-carbon side chain found in cannabinoids into a longer 7-carbon chain. Instead of relying on older, more complex methods, modern approaches use acid-catalyzed reactions that link this modified structure with terpene-based precursors such as geraniol. In short, the process involves joining a heptyl-substituted cannabinoid base with a terpene alcohol under acidic conditions to form THCp.
Reaction Conditions and Optimization: Temperature control is a key factor in THCp synthesis. The initial coupling reactions are usually kept between room temperature and just above freezing to maintain stability. Under acidic conditions, the reaction forms the THCp structure, and slight adjustments in temperature can influence which isomers are produced. Cooler conditions favor the desired isomers, while higher heat can shift the product toward more stable but less targeted forms.
Catalyst Selection and Recovery: After optimizing the reaction, manufacturers often use recyclable catalysts like aluminum chloride, which can be reused to cut costs and limit environmental impact. Other catalysts, such as boron or scandium-based options, have also been explored, though they work best under different conditions.
Yield Optimization and Byproduct Management: Properly executed synthesis reactions typically achieve 40-80% conversion yields, depending on reaction conditions and catalyst selection. Scientific literature confirms that different acids produce varying yields, with sulfuric acid achieving higher conversion rates than hydrochloric acid or other Lewis acids. Common byproducts include unreacted starting materials, various THC isomers (Delta-8, Delta-9), and iso-THC compounds that must be separated during purification.

Stage 3: Advanced Purification and Isolation Techniques
Following synthesis, the crude THCp mixture requires sophisticated separation techniques to achieve the purity levels demanded for consumer products. This purification stage employs multiple chromatographic methods to remove unreacted starting materials, byproducts, and process impurities.
High-Performance Liquid Chromatography (HPLC) Separation: Purification often begins with preparative HPLC, where controlled temperature, flow rate, and solvent gradients separate THCp from similar compounds. UV detection is used to precisely monitor when THCp is eluting from the column.
Flash Chromatography for Scalable Purification: In larger batches, automated flash chromatography offers a cost-efficient alternative. Using silica gel columns and solvent gradients, THCp can be collected in fractions, with UV detection guiding purity throughout the process.
Crystallization and Final Polishing: The last step involves crystallizing THCp in ethanol-water solutions. By slowly cooling the mixture, high-purity crystals form while impurities remain behind. Repeating this step can push purity levels above 98%, meeting pharmaceutical-grade standards.
Quality Control and Analytical Verification: Each purification batch undergoes analytical testing, including:
Potency analysis via HPLC-UV with validated reference standards
Residual solvent testing meeting USP <467> requirements
Heavy metals analysis (Pb, Cd, Hg, As) via ICP-MS
Microbial contamination screening for total aerobic count, yeast, mold, and pathogens
Pesticide residue screening covering 400+ compounds
THCp Product Formulation and Manufacturing Applications
Once high-purity THCp distillate is produced, it serves as the foundation for various consumer product formulations. Each application requires specific considerations for stability, bioavailability, and dosing precision due to THCp's enhanced potency profile.
Vape Cartridge and Disposable FormulationsÂ
THCp vape products require careful attention to viscosity and thermal stability. The distillate is usually diluted with cannabis-derived terpenes or approved carrier oils to achieve proper flow characteristics at vaping temperatures (180-220°C). Our formulation experience indicates optimal THCp concentrations of 70-85% in vape products, with terpene profiles comprising 8-15% to improve flavor and potential entourage effects.
Standard vape formulation protocols include:
Viscosity testing to guarantee proper cartridge filling and vapor production
Thermal stability analysis to prevent degradation during storage and use
Heavy metals leaching tests for cartridge hardware compatibility
Microbiological testing for sterility verification
Precision Edible Manufacturing
THCp edibles present unique challenges due to the compound's potency and potential variability in onset timing. Effective formulations usually employ nanoemulsion technology to improve bioavailability and reduce onset variability. Lipid-based delivery systems using medium-chain triglycerides (MCT) or coconut oil provide enhanced absorption compared to traditional fat-based edibles.
Critical manufacturing parameters include:
Homogeneity testing for uniform THCp distribution
Stability studies under accelerated aging conditions
Dosage verification through stratified sampling protocols
Packaging specifications to prevent light and oxygen degradation
Tincture and Sublingual Products
THCp tinctures offer precise dosing control and rapid onset through sublingual absorption. Formulations normally use ethanol-glycerin or MCT oil carriers with THCp concentrations ranging from 2.5-10 mg/mL. The higher potency of THCp allows for lower volume dosing compared to traditional THC tinctures, improving patient compliance and dosing accuracy.
Manufacturing considerations include:
Solubility optimization to prevent precipitation during storage
Bioavailability enhancement through cyclodextrin complexation
Taste masking using natural flavor systems
Child-resistant packaging with graduated droppers for precise dosing
Sourcing High-Quality THCp: What Brands Should Know
Selecting reliable THCp suppliers requires careful evaluation of manufacturing capabilities, quality systems, and regulatory compliance. The relative novelty of THCp manufacturing means significant variability exists among suppliers in terms of product quality and documentation completeness.

Evaluating Manufacturing Capabilities
When assessing THCp suppliers, it is important to look for those with full organic synthesis capabilities rather than simple isomerization setups. Reliable partners usually operate modern laboratory facilities with proper ventilation and safety measures, employ experienced synthetic chemists who understand cannabinoid chemistry, and maintain scalable purification equipment that can consistently achieve purity levels above 95%.Â
Just as critical are analytical capabilities, allowing for thorough product characterization before the material ever reaches a client.
Documentation and Transparency Requirements
Professional suppliers distinguish themselves through the quality of their documentation. A strong partner provides detailed synthetic protocols supported by reaction monitoring data, as well as detailed analytical testing that covers potency, impurities, and contaminants.Â
Batch production records with yield and quality metrics should be available, alongside compliance certifications and legal opinions, ensuring that every stage of manufacturing stands up to regulatory and commercial scrutiny.
Supply Chain Reliability Assessment
Consistency in production is another key factor. THCp suppliers must demonstrate dependable supply chain management, backed by clear commitments on production capacity and lead times. Effective inventory management systems help guarantee availability, while recognized quality certifications such as ISO 9001 or GMP provide further reassurance. Beyond these, customer references and a proven performance history are valuable indicators of long-term reliability.
Cost Structure and Value Analysis
Although price is always a consideration, true value lies in more than the lowest cost per gram. Consistent products reduce formulation development time, high-quality documentation lowers regulatory risk, and technical support helps speed up product applications. A supplier who can also offer long-term partnership potential supports smoother scaling and greater stability as brands expand their operations.
Closing Thoughts — Where to Find High-Quality THCp Products
Finding high-quality THCp products can be challenging, but Arvida Labs stands out as a trusted source for premium THCp materials. Renowned for our commitment to excellence, Arvida Labs ensures that all products are pure, safe, and lab-tested. Each batch undergoes rigorous testing to verify potency and purity, guaranteeing that consumers receive only the best.
Arvida Labs' THCp distillate is crafted using advanced synthesis and purification techniques, ensuring the highest standards of quality. Our lab tests every product to eliminate contaminants, providing a clean, potent, and consistent experience.
With a reputation built on transparency and trust, Arvida Labs is dedicated to delivering top-tier THCp distillates that meet the strictest industry standards. For those seeking reliable and effective THCp products, Arvida Labs is the go-to choice.Â
Get meticulously crafted and thoroughly tested THCp distillate for your product lineup. Contact Arvida Labs to learn more today.
Sources for this article
THCp: a new phytocannabinoid isolated and characterized from Cannabis sativa L, Nature - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6937300/
The global cannabis market report 2026, Forbes - https://www.forbes.com/sites/irisdorbian/2022/09/13/global-cannabis-sales-to-skyrocket-to-57-billion-in-2026-says-new-report/
Conversion of cannabidiol (CBD) to tetrahydrocannabinol (THC), Wikipedia - https://en.wikipedia.org/wiki/Conversion_of_CBD_to_THC
Cannabidiol as the Substrate in Acid-Catalyzed Intramolecular Cyclization, Journal of Natural Products - https://pubs.acs.org/doi/10.1021/acs.jnatprod.0c00436
Synthetic pathways to tetrahydrocannabinol (THC): an overview, Organic & Biomolecular Chemistry - https://pubs.rsc.org/en/content/articlehtml/2020/ob/d0ob00464b
Conversion of Cannabidiol (CBD) into Psychotropic Cannabinoids Including Tetrahydrocannabinol (THC), PMC - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7357058/

