(-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol

(-)-11-去甲-9-羧基-Δ9-四氢大麻酚

Also known as: (-)-11-nor-9-carboxy-delta9-thc, 11-nor-delta9-tetrahydrocannabinol-9-carboxylic acid, (-)-11-nor-Δ9-tetrahydrocannabinol-9-carboxylic acid, (6aR,10aR)-1-hydroxy-6,6-dimethyl-3-pentyl-6a,7,8,10a-tetrahydro-6H-benzo[c]chromene-9-carboxylic acid, 11-nor-9-carboxy-Δ9-tetrahydrocannabinol, (-)-trans-11-nor-9-carboxy-Δ9-THC, THC-11-oic acid, 11-nor-delta9-THC-9-carboxylic acid

(-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol (CAS 56354-06-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C21H28O4 and a molecular weight of 344.445 g/mol. It is also known as (-)-11-nor-9-carboxy-delta9-thc, 11-nor-delta9-tetrahydrocannabinol-9-carboxylic acid and (-)-11-nor-Δ9-tetrahydrocannabinol-9-carboxylic acid. Key properties include a melting point of 211ºC, a boiling point of 466.9±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 158.1±22.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 56354-06-4
Jingsj CID: J-37299-0
Molecular Formula: C₂₁H₂₈O₄
Chinese Name: (-)-11-去甲-9-羧基-Δ9-四氢大麻酚
Molecular Weight: 344.445 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	211ºC
Boiling Point	466.9±45.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	158.1±22.2 °C

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of (-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol?

The CAS number of (-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol is 56354-06-4.

What are the molecular formula and molecular weight of (-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol?

(-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol has molecular formula C21H28O4 and molecular weight 344.445 g/mol.

Is (-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol hazardous?

(-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(-)-11-nor-9-carboxy-Δ9-tetrahydrocannabinol (CAS 56354-06-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37299-0 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.