THCVA (tetrahydrocannabivarinic acid) is the raw acid form of THCV, made by the living cannabis plant, and it is non-intoxicating. Heat drives off CO₂ and turns it into THCV, a piece of chemistry that is Established. What THCVA does in people is a different matter. The controlled human record on it is empty, so everything past the chemistry sits at catalogue in progress.
C20H26O4 · MW ≈ 330.42 · CAS 39986-26-0 · non-intoxicating raw acid · acid of THCV · decarboxylates to THCV (~110–130 °C) · from the varin mother acid CBGVA
Forms from CBGVA. Becomes THCV.
40 questions, and 23 of them earn a verified grade on the six-rung evidence ladder. 13 carry an evidence state instead of a rung, and most of those read no primary evidence: our registry has no study on the question, a different finding from not supported and marked differently. The other 4 use an author qualifier still waiting to enter the controlled vocabulary. They appear without a grade chip until it does, rather than wear a guessed one.
THCVA's chemistry is settled: its identity, formula and CAS number, how the plant makes it, the heat that turns it into THCV, and the fact that the raw acid is non-intoxicating. Those answers carry their grade as fact. What the acid does inside a body is another story, so the effects and benefits sold on its behalf appear only as other people's claims, set beside their limits; CBG Atlas does not make, adopt, or affirm these claims. Where no evidence exists yet, the answer says catalogue in progress. Not medical or legal advice.
THCVA (tetrahydrocannabivarinic acid) is the raw acid form of THCV, made by the living cannabis plant, and it is non-intoxicating. Heat drives off CO₂ and turns it into THCV, a piece of chemistry that is Established. What THCVA does in people is a different matter. The controlled human record on it is empty, so everything past the chemistry sits at catalogue in progress.
Tetrahydrocannabivarinic acid, and the name is a map of the molecule. THCVA is the carboxylic-acid precursor of tetrahydrocannabivarin (THCV), which is in turn the varin, or propyl-side-chain, homolog of THC. The "A" marks the carboxyl group the plant attaches first and heat later removes. Formula C20H26O4, CAS 39986-26-0, and the chemistry behind the name is Established.
From the varin branch of cannabinoid biosynthesis. A synthase enzyme converts the varin "mother acid," CBGVA, into THCVA, mirroring the step that turns CBGA into THCA on the plant's main line. Heat then decarboxylates THCVA to THCV.
Yes. THCVA occurs naturally in raw, unheated cannabis, above all in certain varin-rich chemotypes. The living plant makes the acid; neutral THCV appears mainly once plant material has been heated, dried or left to age. Drying and storage therefore decide how much THCVA survives in harvested material.
No. Cannabinoid acids fail to activate the CB1 receptor the way THC does, so raw THCVA stays non-intoxicating. Heat it (decarboxylation) and you get THCV, and even THCV isn't straightforwardly intoxicating at low doses.
As far as anyone knows, it is non-intoxicating. Whether the raw acid has some subtler psychoactive effect has never been studied, and verified human data are absent. THCV, which forms when THCVA is heated, has dose-dependent receptor effects, but it is a different molecule, and its record belongs to it alone.
Nobody has established what raw THCVA does in the body. The one verified finding covers cannabinoid acids as a class: in cells, they inhibit the enzyme DAGLα (De Petrocellis 2011, PMID 21175579). That is a result in cells, not an effect in people, so for THCVA itself the question remains catalogue in progress. Catalogue in progress.
As far as the evidence goes, it takes heat. Decarboxylation turns THCVA into THCV; left unheated, it is a non-intoxicating acid and is not known to produce THCV-like effects. "Raw cannabinoid" products have drawn some interest, yet THCVA-specific activity in people is unverified (not medical advice), and the question sits at catalogue in progress.
It depends on where you sell, and on how that market reads "total THC." Because THCVA decarboxylates to THCV, rules written around total THC can treat it differently from other cannabinoids, and a product lawful under one reading of a statute may fail under another. Compliance teams need to know which reading their market applies. A general snapshot dated 2026-07-11 rather than legal advice; verify locally before relying on it.
Generally yes, for now. In the US, hemp-derived THCVA in products at or below 0.3% Δ⁹-THC by dry weight has generally fallen under the 2018 Farm Bill. The ground is moving, though: an upcoming "total THC" definition (P.L. 119-37, in force from Nov 12, 2026) may treat THCVA and THCV differently, so any answer carries a date. Dated 2026-07-11; general information rather than legal advice.
That turns on your state's statute, and states vary, some of them stricter than federal rules, especially for THC-adjacent compounds. Few statutes name THCVA, so it usually falls under the state's hemp and "total-THC" definitions. Check the current statute or ask a qualified attorney. Dated 2026-07-11; informational only, not legal advice.
Generally not as a food or supplement that can be sold freely. The UK and EU classify extracted cannabinoids as novel foods that need authorisation, and THCVA has no specific authorisation. Canada regulates cannabis-derived acids under the Cannabis Act, which keeps THC-related compounds on a shorter leash. These rules change often, so confirm the current national position first. Dated 2026-07-11; general information rather than legal advice.
The list of established benefits is empty. There is no verified human or preclinical evidence of a THCVA benefit. The acid turns up in some "raw cannabinoid" products, but benefit claims for it are unproven and CBG Atlas does not affirm them (not medical advice). A brand hunting for a benefit claim will find the cupboard bare.
Mostly as an ingredient in raw-cannabinoid or "full-spectrum" products, and as a research and reference compound. Its real job is chemical: it is the precursor that becomes THCV. Wellness positioning for it rests on marketing rather than evidence, and it has no established therapeutic use (not medical advice).
There is no evidence that it does; the claim is borrowed from THCV, and even there it is thin. THCV has shown appetite-related signals in early preclinical (animal) research, but that work concerns THCV rather than raw THCVA, and THCV itself remains unproven in humans. Sellers may make the claim for THCVA anyway, but no verified evidence supports it (not medical advice).
No. No controlled human trial of THCVA is known. What has been verified is in-vitro work on cannabinoid acids as a class, such as DAGLα inhibition (De Petrocellis 2011, PMID 21175579). THCVA's own human safety and efficacy have never been studied, which makes it untested rather than tested and found wanting. Catalogue in progress.
Its safety is an open question. THCVA lacks human safety studies, a defined dose and long-term data alike, so the quiet record reflects missing research rather than a clean result, and non-intoxicating is a different claim from safe. Consult a qualified professional before use, especially alongside medication. Catalogue in progress. (Not medical advice.)
They are unknown. No controlled study has documented THCVA's adverse effects, and an empty file is a different thing from a clean bill of health. Products may also contain other cannabinoids or contaminants. If you feel unwell, stop using the product and seek advice (not medical advice). Catalogue in progress.
The evidence is silent. No safe or effective THCVA dose has been established, and overdose data are absent. With an unstudied compound, more is not better. This is not dosing or medical advice. Catalogue in progress.
It might, and no THCVA-specific interaction data exist. Cannabinoids in general can affect the enzymes that metabolise drugs, so an interaction is plausible for THCVA, though unverified. Anyone taking medication should ask a clinician or pharmacist before use (not medical advice). Catalogue in progress.
Possibly. Standard tests look for a THC metabolite rather than THCVA. The catch is that THCVA can decarboxylate to THCV, which sits structurally close to THC, so some immunoassays may cross-react, and hemp products can carry trace THC besides. If you are tested, be cautious and stick to COA-verified products.
Pure THCVA is THC-free: the two are different molecules. THCVA does decarboxylate to THCV, the varin of THC, and hemp-derived products can carry trace Δ⁹-THC unless made from isolate, so any THC in a THCVA product comes from the extract around it. The product's certificate of analysis (COA) shows the actual THC content.
It could contribute to a failure. Tests target THC rather than THCVA, but its conversion to THCV, together with any trace THC already in the product, could produce a positive or cross-reactive result. THCVA-specific cross-reactivity has not been characterised, so the risk is plausible rather than measured. If you are drug-tested, choose products whose COA shows non-detectable THC.
Mostly in raw-cannabinoid tinctures, "full-spectrum" extracts, or fresh, unheated plant preparations, since heat converts it to THCV. It also sells as a reference isolate. Those are formats, and no route or dose of THCVA has been studied (not medical advice).
Few. THCVA is rare, and what exists comes as some raw or full-spectrum hemp extracts, varin-focused blends, and reference isolates for laboratories. Consumer products built around THCVA alone are uncommon, and heating any of them converts the THCVA to THCV. Potency and purity vary, so check a third-party COA.
There is no established dose. No clinical study defines a safe or effective amount, so CBG Atlas offers no dosing guidance, and the figure on a label is the manufacturer's choice rather than a number drawn from evidence. Consult a qualified professional (not medical or dosing advice). Catalogue in progress.
Yes, if the aim is THCV. Heat (decarboxylation) drives off CO₂; left raw, THCVA stays a non-intoxicating acid. A product meant to deliver THCV effects has to be decarboxylated during processing, while a raw product still holds THCVA, whose own activity has not been studied.
THCVA is the raw plant acid; THCV is the neutral form left after heating. One carboxyl group separates them, and it leaves as CO₂ during decarboxylation. The research gap is far wider than the chemical one: THCVA is non-intoxicating and barely studied, while THCV has dose-dependent receptor activity and a larger body of work behind it.
Both are non-intoxicating acids that decarboxylate when heated; the side chain sets them apart. THCVA is the varin (propyl) acid and becomes THCV, while THCA is the pentyl acid and becomes Δ⁹-THC. The difference shows once the heat goes on. Heated THCA yields an intoxicating compound; heated THCVA yields THCV, which isn't straightforwardly intoxicating.
They are the three varin (propyl) acids, and they share an origin. CBGVA is the "mother acid," which the plant converts either into THCVA, the source of THCV, or into CBDVA, the source of CBDV. All three carry the varin scaffold and all three are non-intoxicating in raw form; what separates them is the neutral cannabinoid each becomes.
Yes. Raw material still holds the intact acid, THCVA, which is non-intoxicating; decarbed material has been heated until that acid became neutral THCV. The two are chemically different, and only decarbed material delivers THCV's effects. Neither raw THCVA nor THCV is a proven treatment (not medical advice).
THCVA's formula is C20H26O4, with a molecular weight of about 330.42 g/mol and CAS number 39986-26-0. Chemically it is the carboxylic-acid precursor of THCV (C19H26O2) and the varin (propyl) analog of THCA, and the carboxyl group it carries, which THCV lacks, leaves as CO₂ on heating. The identity is Established; the biology has barely been studied.
By extracting raw, unheated varin-rich cannabis with gentle, heat-free methods, because heat would convert it to THCV, then purifying it by chromatography. Plants make little THCVA and heat destroys it, so isolating a stable product is hard work, even though the chemistry itself is established.
Yes. CBGVA, the varin "mother acid," is its precursor: on one branch a synthase enzyme converts it into THCVA, just as CBGA yields THCA in the pentyl line. The varin synthases are less fully characterised, so that particular step is catalogue in progress.
Roughly 110–130 °C, the same range as other cannabinoid acids; gentle heat applied over time drives off the CO₂. Hotter processing, at 150–160 °C, is faster but risks degrading the material. THCVA's own kinetics are less published than those of the pentyl acids (Wang 2016), so that detail is catalogue in progress.
From a small number of specialty hemp and cannabinoid retailers and reference-chemical suppliers, usually as raw-cannabinoid extracts or reference isolates. Stock is niche and patchy. CBG Atlas endorses no brand; buy only from vendors that publish third-party lab results.
Supply. THCVA occurs only in specific varin-rich chemotypes, in small amounts, and heat converts it to THCV, so isolating it in stable form is low-yield and technically demanding. Cold handling, cold storage and extra purification all add cost, which is why it sells above common cannabinoids like CBD. You are paying for scarcity, and scarcity says nothing about potency.
Ask for a current certificate of analysis (COA) from an accredited third-party lab. It should confirm the THCVA content, report the THC level, and screen for pesticides, solvents and heavy metals. Because THCVA converts to THCV, read the THC and THCV figures closely. A seller without a COA is a red flag.
Your call, and the evidence gives you little to go on. THCVA has no established benefit and has never been tested in a controlled human trial, so any value is speculative. If you try it, choose lab-tested products, remember that heat turns THCVA into THCV, and keep expectations in proportion to the evidence. (Not medical advice.)
A third-party COA that matches the label, THC compliance with clear THC and THCV figures (the acid converts on heating), contaminant screening, and transparent sourcing. Treat appetite and other health claims with suspicion, because none has been verified for THCVA (not medical advice).
Informational only, not medical advice. CBG Atlas is a scientific reference. Nothing here diagnoses, treats, cures or prevents any disease. Every claim on the page carries the grade of the evidence behind it, and the grade sets the words the claim may use. How we grade evidence.
Educational, not medical or legal advice. Statements about effects, benefits or uses report claims made by third parties. CBG Atlas does not make, adopt or affirm them. Legal status depends on jurisdiction, product class and date, and it changes, so check it against the official source. See how we grade and the safety page.
Cardiovascular note. CBG is a potent α2-adrenoceptor agonist in vitro, and α2 agonism can lower blood pressure. Anyone taking blood-pressure or other cardiovascular medication should consult a clinician before use. This is educational information, not medical advice.
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Its varin or pentyl analogue
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