A genotoxic impurity
Technical Support & Resources

Information provided in the product description is from published literature. Due to the nature of scientific experimentation, your results (e.g., selectivity and effective concentrations) or specific application for this product may differ. If you have questions about how this product fits your application, please contact our technical support staff.

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.

Product Categories

Product Type

Biochemicals
Pharmaceutical Impurities

Isopropyl Benzenesulfonate

Item No. 17795

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
benzenesulfonic acid, 1-methylethyl ester
CAS Number
6214-18-2
Synonyms
  • Benzenesulfonic Acid isopropyl ester
Molecular Formula
C9H12O3S
Formula Weight
200.3
Purity
≥98%
Formulation (Request formulation change)
A neat oil
Solubility(Learn about Variance in Solubility)
DMF: 30 mg/mlDMSO: 30 mg/mlEthanol: 30 mg/mlEthanol:PBS(pH 7.2) (1:1): 0.5 mg/ml
λmax
217, 258, 264, 271 nm
SMILES
CC(C)OS(C1=CC=CC=C1)(=O)=O
InChi Code
InChI=1S/C9H12O3S/c1-8(2)12-13(10,11)9-6-4-3-5-7-9/h3-8H,1-2H3
InChi Key
YQZZXXKFKTWDPY-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 g

    $41

    Add

    5 g

    $157

    Add
    Product Description

    Isopropyl benzenesulfonate is a sulfonate ester genotoxic impurity found in active pharmaceutical ingredients.1 It has potential to exert toxic effects in bacterial and mammalian cells.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Guo, T., Shi, Y., Zheng, L., et al. Rapid and simultaneous determination of sulfonate ester genotoxic impurities in drug substance by liquid chromatography coupled to tandem mass spectrometry: Comparison of different ionization modes. J. Chromatogr. A 1355, 73-79 (2014).