science

JWH-309

JWH-309 is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand JWH-309 rather than just read about it. In short: JWH-309 (naphthalen-1-yl-(5-naphthalen-1-yl-1-pentylpyrrol-3-yl)methanone) is a synthetic cannabinoid from the naphthoylpyrrole family which acts as an agonist of the CB1 (Ki = 41 ± 3nM) and CB2 (Ki = 49 ± 7nM) receptors, displaying a slight selectivity for the former. JWH-309 was first synthesized in 2006 by John W.

Key takeaways

JWH-309 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect JWH-309 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of JWH-309 from memory before moving on to harder problems.

Reference excerpt

JWH-309 (naphthalen-1-yl-(5-naphthalen-1-yl-1-pentylpyrrol-3-yl)methanone) is a synthetic cannabinoid from the naphthoylpyrrole family which acts as an agonist of the CB1 (Ki = 41 ± 3nM) and CB2 (Ki = 49 ± 7nM) receptors, displaying a slight selectivity for the former. JWH-309 was first synthesized in 2006 by John W. Huffman and colleagues to examine the nature of ligand binding to the CB1 receptor.

Legality In the United States JWH-309 is not federally scheduled, although some states have passed legislation banning the sale, possession, and manufacture of JWH-309. In Canada, JWH-309 and other naphthoylpyrrole-based cannabinoids are Schedule II controlled substances under the Controlled Drugs and Substances Act. In the United Kingdom, JWH-309 and other naphthoylpyrrole-based cannabinoids are considered Class B drugs under the Misuse of Drugs Act 1971.

See also List of JWH cannabinoids Synthetic cannabinoid

References

Illustrations

Worked examples

Example 1 — a first encounter with JWH-309

Start with the simplest possible case. Write down what JWH-309 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to JWH-309 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about JWH-309 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of JWH-309

In research: JWH-309 appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses JWH-309 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: JWH-309 is common in secondary-school and first-year university syllabi. It links to neighbouring topics CB1 receptor agonists, CB2 receptor agonists, Cannabinoid stubs, so understanding it makes those chapters shorter.
In everyday life: Look for JWH-309 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study JWH-309 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what JWH-309 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain JWH-309 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is JWH-309 in simple terms?

Why does JWH-309 matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study JWH-309?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on JWH-309.