Date published: 2026-2-12

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Isopropyl Methyl Sulfide (CAS 1551-21-9)

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CAS Number:
1551-21-9
Molecular Weight:
90.18
Molecular Formula:
C4H10S
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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Isopropyl methyl sulfide (IMS) is a colorless, flammable liquid with a strong, pungent odor. Its molecular formula is C4H10S. Isopropyl Methyl Sulfide is found in essential oils and has diverse applications. It serves as a solvent and an intermediate in organic synthesis. Isopropyl Methyl Sulfide has been extensively studied in scientific research. It has been utilized to investigate the structure and reactivity of organosulfur compounds. Furthermore, it has served as a model compound for studying organic synthesis reactions. Researchers have also employed Isopropyl Methyl Sulfide to explore the mechanism of action of specific enzymes and to delve into the biochemistry and physiology of various organisms. it is known to interact with various biological molecules, including proteins, nucleic acids, and lipids. Binding to proteins and interfering with their function, as well as interacting with nucleic acids and influencing gene expression, are believed to be some of its effects. Additionally, its interaction with lipids can impact the structure and function of cell membranes.


Isopropyl Methyl Sulfide (CAS 1551-21-9) References

  1. Pauson-Khand reaction of optically active 6,7-bis(tert-butyldimethylsiloxy)non-1-en-8-ynes.  |  Mukai, C., et al. 2000. J Org Chem. 65: 6654-9. PMID: 11052114
  2. Chirality of and gear motion in isopropyl methyl sulfide: A Fourier transform microwave study.  |  Hirota, E., et al. 2010. Phys Chem Chem Phys. 12: 8398-404. PMID: 20571683
  3. Stereoelectronic effects in alpha-carbanions of conformationally constrained sulfides, sulfoxides, and sulfones.  |  Podlech, J. 2010. J Phys Chem A. 114: 8480-7. PMID: 20701357
  4. Marine bacteria from the Roseobacter clade produce sulfur volatiles via amino acid and dimethylsulfoniopropionate catabolism.  |  Brock, NL., et al. 2014. Org Biomol Chem. 12: 4318-23. PMID: 24848489
  5. Creation of Novel Cyclization Methods Using sp-Hybridized Carbon Units and Syntheses of Bioactive Compounds.  |  Mukai, C. 2017. Chem Pharm Bull (Tokyo). 65: 511-523. PMID: 28566644
  6. Enantioselective sulfoxidation using Streptomyces glaucescens GLA.0.  |  Salama, S., et al. 2020. RSC Adv. 10: 32335-32344. PMID: 35516510
  7. Phosphorus accelerate the sulfur cycle by promoting the release of malodorous volatile organic sulfur compounds from Microcystis in freshwater lakes.  |  Deng, X., et al. 2022. Sci Total Environ. 845: 157280. PMID: 35835193
  8. Direct alkylation of N,N-dialkyl benzamides with methyl sulfides under transition metal-free conditions.  |  Bao, CC., et al. 2021. Commun Chem. 4: 138. PMID: 36697564

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Isopropyl Methyl Sulfide, 25 g

sc-487370
25 g
$243.00