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.

2-Amino-3-(2-chlorobenzoyl)-5-ethylthiophene

Item No. 36070

Product Insert (PDF)GC-MS (PDF)Safety Data Sheet (SDS) (PDF)
Synonyms
Synonyms
  • 2-Amino-5-ethyl-3-(2-chlorobenzoyl)thiophene
  • 2-Amino-3-(o-chlorobenzoyl)-5-ethylthiophene
  • Etizolam Related Compound
Technical Information
Formal Name
(2-amino-5-ethyl-3-thienyl)(2-chlorophenyl)-methanone
CAS Number
50508-60-6
Molecular Formula
C13H12ClNOS
Formula Weight
265.8
Purity
≥98%
Formulation
a crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 10 mg/mlDMSO: 5 mg/mlEthanol: 10 mg/mlPBS (pH 7.2): insol
λmax
243 nm
SMILES
O=C(C1=C(Cl)C=CC=C1)C2=C(N)SC(CC)=C2
InChi Code
InChI=1S/C13H12ClNOS/c1-2-8-7-10(13(15)17-8)12(16)9-5-3-4-6-11(9)14/h3-7H,2,15H2,1H3
InChi Key
RFCCZAHPNNJKKR-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature 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

    $57

    Add

    5 mg

    $252

    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

    2-Amino-3-(2-chlorobenzoyl)-5-ethylthiophene (Item No. 36070) is an analytical reference standard categorized as a benzophenone.1 2-Amino-3-(2-chlorobenzoyl)-5-ethylthiophene is a precursor in the synthesis of etizolam (Item Nos. 20991 | 12063). It has been found in seized etizolam samples. 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. Downey, C., O'Donnell, A., McLaughlin, G., et al. An unusual detection of 2-amino-3-(2-chlorobenzoyl)-5-ethylthiophene and 2-methylamino-5-chlorobenzophenone in illicit yellow etizolam tablets marked "5617" seized in the Republic of Ireland. Drug Test. Anal. (2021).