An Analytical Reference Standard
Technical Support & Resources

Visit our FAQ

Contact Us

Toll Free Phone (USA and Canada Only): (888) 526-5351
Direct Phone: (734) 975-3888

Request Technical Support

Technical Support Request

To streamline the process attach the appropriate questionnaire to your inquiry.

Download IHC QuestionnaireDownload WB Questionnaire

View Our Privacy Statement for details on how we use and protect your data. In addition, this site is protected by hCaptcha and its Privacy Policy and Terms of Service apply.

(±)-9α-hydroxy Hexahydrocannabinol

Item No. 36129

Restricted Product (Schedule I)
Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Synonyms
Synonyms
  • (±)-9α-hydroxy HHC
  • (±)-9α-OH-HHC
Technical Information
Formal Name
(6aR,9S,10aR)-rel-6a,7,8,9,10,10a-hexahydro-6,6,9-trimethyl-3-pentyl-6H-dibenzo[b,d]pyran-1,9-diol
CAS Number
16964-49-1
Molecular Formula
C21H32O3
Formula Weight
332.5
Purity
≥98%
Formulation
A solid
Solubility(Learn about Variance in Solubility)
Acetone: 10 mg/ml
SMILES
CC1(C)[C@]2([H])CC[C@@](O)(C)C[C@@]2([H])C3=C(C=C(CCCCC)C=C3O)O1
InChi Code
InChI=1S/C21H32O3/c1-5-6-7-8-14-11-17(22)19-15-13-21(4,23)10-9-16(15)20(2,3)24-18(19)12-14/h11-12,15-16,22-23H,5-10,13H2,1-4H3/t15-,16-,21+/m1/s1
InChi Key
KSGRDIFQZVURIF-ZOCZFRKYSA-N
Origin
Synthetic
Regulatory Information
DEA Schedule
I
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
Recommended Products

Certificates of Analysis & Batch Specific Data

Provide batch numbers separated by commas to download or request available product inserts, QC sheets, certificates of analysis, data packs, and GC-MS data.

Download most recent Certificate of Analysis for this product

    1 mg

    $328

    Add
    Cayman Chemical
    Cayman Spectral Library

    Our free, searchable, GC-MS spectral database contains 70eV EI mass spectral data of 2,000+ of Cayman’s forensic drug standards.

    DOWNLOAD THE DATABASE
    Product Description

    (±)-9α-hydroxy Hexahydrocannabinol (Item No. 36129) is an analytical reference standard that is structurally similar to known phytocannabinoids.1 (±)-9α-hydroxy Hexahydrocannabinol is a metabolite of 9-hexahydrocannabinol.2 It has been found in high potency strains of C. sativa.1 (±)-9α-hydroxy Hexahydrocannabinol has also been found as an impurity in products marketed as containing Δ8-THC.3 (±)-9α-hydroxy Hexahydrocannabinol is regulated as a Schedule I compound in the United States. 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. Ahmed, S.A., Ross, S.A., Slade, D., et al. Minor oxygenated cannabinoids from high potency Cannabis sativa L. Phytochemistry 117, 194-199 (2015).

    2. Kobidze, G., Sprega, G., Montanari, E., et al. The first LC-MS/MS stereoselective bioanalytical methods to quantitatively detect 9R- and 9S-hexahydrocannabinols and their metabolites in human blood, oral fluid and urine. J. Pharm. Biomed. Anal. 240, 115918 (2024).

    3. Radwan, M.M., Wanas, A.S., Gul, W., et al. Isolation and characterization of impurities in commercially marketed Δ8-THC products. J. Nat. Prod. 86(4), 822-829 (2023).

    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).