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-2'-chloro-5-nitrobenzophenone

Item No. 37885

Synonyms
Synonyms
  • 2-Amino-5-nitro-2'-chlorobenzophenone
  • BF-CLO
  • BF-Clonazepam
  • Clonazepam Benzophenone
  • CLO-Benzophenone
Technical Information
Formal Name
(2-amino-5-nitrophenyl)(2-chlorophenyl)-methanone
CAS Number
2011-66-7
Molecular Formula
C13H9ClN2O3
Formula Weight
Purity
≥98%
Formulation
A crystalline solid
DMF: 1 mg/mlDMSO: 1 mg/ml
λmax
228, 353 nm
SMILES
O=C(C1=C(N)C=CC([N+]([O-])=O)=C1)C2=CC=CC=C2Cl
InChi Code
InChI=1S/C13H9ClN2O3/c14-11-4-2-1-3-9(11)13(17)10-7-8(16(18)19)5-6-12(10)15/h1-7H,15H2
InChi Key
GRDGBWVSVMLKBV-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.

    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

    2-Amino-2’-chloro-5-nitrobenzophenone (Item No. 37885) is an analytical reference standard categorized as a precursor in the synthesis of benzodiazepines.1 2-Amino-2’-chloro-5-nitrobenzophenone is also an acid hydrolysis product of clonazepam (Item No. 14263).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. Dowling, G., Kavanagh, P.V., Eckhardt, H.-G., et alAn approach to shortening the timeframe between the emergence of new compounds on the drugs market and the availability of reference standards: The microscale syntheses of nitrazolam and clonazolam for use as reference materials, utilizing polymer-supported reagents. Drug Test Anal. 10(7), 1198-1208 (2018).

    2. Roškar, R., and Sollner Dolenc, M. Determination of benzodiazepines in urine via benzophenone derivatives using liquid chromatography-tandem mass spectrometry. Arh. Hig. Rada Toksikol. 61(4), 381-388 (2010).