Date published: 2026-1-7

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Pergafast® 201 (CAS 232938-43-1)

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Alternate Names:
3-(3-Tosylureido)phenyl 4-Methylbenzenesulfonate
Application:
Pergafast® 201 is a proprietary color developer for thermal paper
CAS Number:
232938-43-1
Molecular Weight:
460.52
Molecular Formula:
C21H20N2O6S2
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Pergafast® 201, is a color developer that was developed as an alternative to BPA and phenolic containing color developers used in thermal print paper. Pergafast® 201 is not only an alternative to BPA but is also nonphenolic. It functions as an acid accelerator to improve color development processes, particularly in thermographic and pressure-sensitive papers. Pergafast® 201 can be used in certain photographic processes where faster development of images is necessary, although its primary applications remain largely in non-photographic areas due to the decline of traditional photographic techniques.


Pergafast,[object Object], 201 (CAS 232938-43-1) References

  1. Endocrine activity of alternatives to BPA found in thermal paper in Switzerland.  |  Goldinger, DM., et al. 2015. Regul Toxicol Pharmacol. 71: 453-62. PMID: 25579646
  2. Bisphenol A alternatives in thermal paper from the Netherlands, Spain, Sweden and Norway. Screening and potential toxicity.  |  Björnsdotter, MK., et al. 2017. Sci Total Environ. 601-602: 210-221. PMID: 28551540
  3. Bisphenol A and alternatives in thermal paper receipts - a German market analysis from 2015 to 2017.  |  Eckardt, M. and Simat, TJ. 2017. Chemosphere. 186: 1016-1025. PMID: 28838039
  4. Determination of bisphenol A and bisphenol S concentrations and assessment of estrogen- and anti-androgen-like activities in thermal paper receipts from Brazil, France, and Spain.  |  Molina-Molina, JM., et al. 2019. Environ Res. 170: 406-415. PMID: 30623888
  5. Current-use of developers in thermal paper from 14 countries using liquid chromatography coupled to quadrupole time-of-flight mass spectrometry.  |  Vervliet, P., et al. 2019. Toxicology. 416: 54-61. PMID: 30742855
  6. A scoping review of the health and toxicological activity of bisphenol A (BPA) structural analogues and functional alternatives.  |  Pelch, K., et al. 2019. Toxicology. 424: 152235. PMID: 31201879
  7. Characterization of Estrogenic and Androgenic Activities for Bisphenol A-like Chemicals (BPs): In Vitro Estrogen and Androgen Receptors Transcriptional Activation, Gene Regulation, and Binding Profiles.  |  Pelch, KE., et al. 2019. Toxicol Sci. 172: 23-37. PMID: 31388671
  8. Determination of color developers replacing bisphenol A in thermal paper receipts using diode array and Corona charged aerosol detection-A German market analysis 2018/2019.  |  Eckardt, M., et al. 2020. J Chromatogr A. 1609: 460437. PMID: 31409488
  9. A tiered high-throughput screening approach for evaluation of estrogen and androgen receptor modulation by environmentally relevant bisphenol A substitutes.  |  Keminer, O., et al. 2020. Sci Total Environ. 717: 134743. PMID: 31836225
  10. Simultaneous Quantification of Bisphenol A, Its Glucuronide Metabolite, and Commercial Alternatives by LC-MS/MS for In Vitro Skin Absorption Evaluation.  |  Reale, E., et al. 2020. Chem Res Toxicol. 33: 2390-2400. PMID: 32840112
  11. Discovery of New Protein Targets of BPA Analogs and Derivatives Associated with Noncommunicable Diseases: A Virtual High-Throughput Screening.  |  Montes-Grajales, D., et al. 2021. Environ Health Perspect. 129: 37009. PMID: 33769846
  12. Supramolecular solvent-based microextraction probe for fast detection of bisphenols by ambient mass spectrometry.  |  Dueñas-Mas, MJ., et al. 2022. Chemosphere. 294: 133719. PMID: 35077738
  13. Food Thermal Labels are a Source of Dietary Exposure to Bisphenol S and Other Color Developers.  |  Xu, Z., et al. 2023. Environ Sci Technol. 57: 4984-4991. PMID: 36922386

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Pergafast® 201, 100 mg

sc-478419
100 mg
$275.00