(+/-)-11-NOR-9-CARBOXY-DELTA9-THC

CAS NO.：104874-50-2
Empirical Formula: C21H28O4
Molecular Weight: 344.44
MDL number: MFCD00079485
EINECS: 200-659-6
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:25:41

What is (+/-)-11-NOR-9-CARBOXY-DELTA9-THC?

Description

(±)-11-nor-9-carboxy-Δ⁹-THC (CRM) (Item No. 20754) is a certified reference material that is structurally categorized as a cannabinoid metabolite. 11-nor-9-carboxy-Δ⁹-THC is an abundant secondary metabolite of Δ⁹-THC (Item Nos. ISO60157 | 12068) and is produced by the oxidation of the primary metabolite 11-hydroxy-Δ⁹-THC. This product is intended for research and forensic applications.

Definition

ChEBI: 11-nor-9-carboxy-Delta(9)-tetrahydrocannabinol is a phytocannabinoid that is Delta(9)-tetrahydrocannabinol in which the C-11 methyl has been fully oxidised to a carboxy group. Further enzymatic oxidation product of 11-hydroxy-Delta(9)-tetrahydrocannabinol. It has a role as a human xenobiotic metabolite. It is functionally related to a Delta(9)-tetrahydrocannabinol.

General Description

A certified solution standard of (±)-11-nor-9-Carboxy-Δ9-THC at a higher concentration of 1.0 mg/mL. Also known as THC acid, 11-nor-9-Carboxy-Δ9-THC is the main secondary metabolite of THC found in urine or blood of Cannabis users. This reference solution is suitable for use as starting materials in the preparation of calibrators and controls for THC testing by GC/MS or LC/MS in forensic analysis, urine drug testing, or clinical toxicology.

Properties of (+/-)-11-NOR-9-CARBOXY-DELTA9-THC

Melting point:	174-176 °C
Boiling point:	466.9±45.0 °C(Predicted)
Density	1.140±0.06 g/cm3(Predicted)
Flash point:	9℃
storage temp.	−20°C
form	vacuum-dried powder
pka	4.66±0.40(Predicted)
color	Colorless to light yellow

Safety information for (+/-)-11-NOR-9-CARBOXY-DELTA9-THC

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08
GHS Hazard Statements	H225:Flammable liquids H370:Specific target organ toxicity, single exposure
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P311:Call a POISON CENTER or doctor/physician. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.