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.

Δ4-iso-THC

Item No. 33862

Synonyms
Synonyms
  • Δ4-iso-Tetrahydrocannabinol
Technical Information
Formal Name
(2R,6R)-3,6-dihydro-2-methyl-5-(1-methylethyl)-9-pentyl-2,6-methano-2H-1-benzoxocin-7-ol
Molecular Formula
C21H30O2
Formula Weight
Purity
≥98%
Formulation
A 1 mg/ml solution in acetonitrile
Acetonitrile: Soluble: ≥10 mg/mlChloroform: Sparingly soluble: 1-10 mg/ml
SMILES
OC1=CC(CCCCC)=CC2=C1[C@@H]3C[C@](CC=C3C(C)C)(C)O2
InChi Code
InChI=1S/C21H30O2/c1-5-6-7-8-15-11-18(22)20-17-13-21(4,23-19(20)12-15)10-9-16(17)14(2)3/h9,11-12,14,17,22H,5-8,10,13H2,1-4H3/t17-,21-/m1/s1
InChi Key
ZMMDPERLLILPJD-DYESRHJHSA-N
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.

    Add

    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

    Δ4-iso-THC (Item No. 33862) is an analytical reference standard that is structurally similar to known phytocannabinoids.1 Δ4-iso-THC is a potential impurity in the conversion of cannabidiol to Δ8-THC or Δ9-THC. It has been found in Δ8-THC vape cartridges.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. Gaoni, Y., and Mechoulam, R. The iso‐tetrahydrocannabinols. Israel J. Chem. 6(5), 679-690 (1968).

    2. Gul, W., Shahzadi, I., Sarma, N., et alDevelopment and validation of a GC-FID method for the quantitation of Δ8-tetrahydrocannabinol and impurities found in synthetic Δ8-tetrahydrocannabinol and vaping products. Planta Med. 90(4), 316-332 (2024).