A Certified Reference Material
Features
  • This product is qualified as a Certified Reference Material (CRM) that has been manufactured and tested to meet ISO/IEC 17025 and ISO 17034 international standards
  • This CRM has been characterized by metrologically valid procedures and may be used as a quantitative analytical reference standard
  • Certificate of analysis provides the certified property values and the associated uncertainties, including a statement of metrological traceability for the certified values
  • Possession of a DEA Controlled Substance registration is not necessary nor is a DEA 222 form required to purchase this product
  • Bulk material is available for qualified institutions; please contact our sales department for pricing
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(±)-11-nor-9-carboxy-Δ9-THC (CRM)

A 1 mg/ml solution in methanol

Item No. 20754

Exempt Product (US)
Safety Data Sheet (SDS) (PDF)
Synonyms
Synonyms
  • (±)-11-nor-9-carboxy-Δ9-Tetrahydrocannabinol
  • (±)-11-nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid
  • (±)-11-COOH-Δ9-THC
  • (±)-11-nor-Δ9-THC-9-COOH
Technical Information
Formal Name
(6aR,10aR)-rel-6a,7,8,10a-tetrahydro-1-hydroxy-6,6-dimethyl-3-pentyl-6H-dibenzo[b,d]pyran-9-carboxylic acid
CAS Number
104874-50-2
Molecular Formula
C21H28O4
Formula Weight
344.4
Formulation
A 1 mg/ml solution in methanol
SMILES
CC1(C)[C@@]2([H])[C@](C=C(C(O)=O)CC2)([H])C3=C(C=C(CCCCC)C=C3O)O1
InChi Code
InChI=1S/C21H28O4/c1-4-5-6-7-13-10-17(22)19-15-12-14(20(23)24)8-9-16(15)21(2,3)25-18(19)11-13/h10-12,15-16,22H,4-9H2,1-3H3,(H,23,24)/t15-,16-/m1/s1
InChi Key
YOVRGSHRZRJTLZ-HZPDHXFCSA-N
Regulatory Information
DEA Exempt Notification
This product is a DEA exempt preparation of a scheduled compound - does not require DEA Controlled Substance registration or DEA 222 form. For alternate sizes please contact sales.
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product 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.1,2 This product is intended for research and forensic applications.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Bland, T.M., Haining, R.L., Tracy, T.S., et al. CYP2C-catalyzed delta(9)-tetrahydrocannabinol metabolism: Kinetics, pharmacogenetics and interaction with phenytoin. Biochem. Pharmacol. 70(7), 1096-1103 (2005).

    2. Coles, R., Clements, T.T., Nelson, G.J., et al. Simultaneous analysis of the Δ9-THC metabolites 11-nor-9-carboxy-Δ9-THC and 11-hydroxy-Δ9-THC in meconium by GC-MS. J. Anal. Toxicol. 29(6), 522-527 (2016).

    Product Citations

    Schirmer, W., Walton, S.E., Weinmann, W., et al. Rapid LC-QTOF-MS screening method for semi-synthetic cannabinoids in whole blood. J. Anal. Toxicol. bkaf095 (2025).