Cas no 1679-07-8 (Cyclopentanethiol)

Cyclopentanethiol (C5H10S) is a cyclic thiol compound characterized by a five-membered carbon ring with a sulfhydryl (-SH) functional group. This organosulfur compound is notable for its strong, distinctive odor and reactivity, making it valuable in organic synthesis and industrial applications. Its cyclic structure imparts stability while the thiol group enables participation in thiol-ene reactions, metal coordination, and nucleophilic substitutions. Cyclopentanethiol is commonly used as a building block in pharmaceuticals, agrochemicals, and specialty chemicals. It also serves as a ligand in catalysis and a precursor for modifying polymer properties. Proper handling is essential due to its volatility and potential irritancy.
Cyclopentanethiol structure
Cyclopentanethiol structure
Product Name:Cyclopentanethiol
CAS No:1679-07-8
MF:C5H10S
MW:102.197900295258
MDL:MFCD00001369
CID:41789
PubChem ID:15510
Update Time:2026-05-14

Cyclopentanethiol Chemical and Physical Properties

Names and Identifiers

    • cyclopentyl mercaptan
    • Cyclopentanethiol
    • Cyclopentanthiol
    • cyclopentylmercaptane
    • cyclopentylthiol
    • EINECS 216-841-3
    • FEMA No. 3262
    • Mercaptocyclopentane
    • FEMA 3262
    • mercaptancyclopentylique
    • Cyclopentyl Mercaptan Mercaptocyclopentane
    • Cyclopentanethiol 97%
    • CYCLOPENTANETHIOL 97+%
    • MDL: MFCD00001369
    • Inchi: InChI=1S/C5H10S/c6-5-3-1-2-4-5/h5-6H,1-4H2
    • InChI Key: WVDYBOADDMMFIY-UHFFFAOYSA-N
    • SMILES: C1CCC(C1)S
    • BRN: 2343861

Computed Properties

  • Exact Mass: 102.05000
  • Monoisotopic Mass: 102.050321
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 0
  • Heavy Atom Count: 6
  • Rotatable Bond Count: 0
  • Complexity: 37.2
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 1
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 1.8

Experimental Properties

  • Color/Form: A colorless, foul smelling liquid
  • Density: 0.955?g/mL?at 25?°C(lit.)
  • Melting Point: -117.76°C
  • Boiling Point: 132°C(lit.)
  • Flash Point: Fahrenheit: 77 ° f < br / > Celsius: 25 ° C < br / >
  • Refractive Index: n20/D 1.4902(lit.)
  • Water Partition Coefficient: Slightly soluble in water; soluble in alcohol and oils.
  • PSA: 38.80000
  • LogP: 1.85880
  • Solubility: Slightly soluble in water, ethanol and oil
  • FEMA: 3262
  • Sensitiveness: Air Sensitive
  • Vapor Pressure: 1 mmHg ( 20 °C)

Cyclopentanethiol Security Information

  • Symbol: GHS02
  • Prompt:warning
  • Signal Word:Warning
  • Hazard Statement: H226
  • Warning Statement: P210-P233-P240-P241+P242+P243-P280-P303+P361+P353-P312-P370+P378-P403+P235-P501
  • Hazardous Material transportation number:UN 3336 3/PG 3
  • WGK Germany:3
  • Hazard Category Code: 10
  • Safety Instruction: S16-S23
  • RTECS:GY4701000
  • Safety Term:3
  • Packing Group:III
  • Risk Phrases:R10
  • HazardClass:3
  • PackingGroup:III
  • TSCA:Yes
  • Storage Condition:The warehouse is ventilated and dry at low temperature, and stored separately from oxidants and acids
  • Packing Group:III
  • Hazard Level:3

Cyclopentanethiol Customs Data

  • HS CODE:2930909090
  • Customs Data:

    China Customs Code:

    2930909090

    Overview:

    2930909090. Other organic sulfur compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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Cyclopentanethiol Suppliers

Suzhou Senfeida Chemical Co., Ltd
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(CAS:1679-07-8)Cyclopentanethiol
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Amadis Chemical Company Limited
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(CAS:1679-07-8)Cyclopentanethiol
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Cyclopentanethiol Related Literature

Additional information on Cyclopentanethiol

Introduction to Cyclopentanethiol (CAS No. 1679-07-8)

Cyclopentanethiol, with the chemical formula C5H9S, is a significant compound in the field of organic chemistry and pharmaceutical research. Its molecular structure, featuring a five-membered cycloalkane ring substituted with a thiol group, makes it a versatile intermediate in the synthesis of various bioactive molecules. This article provides an in-depth exploration of Cyclopentanethiol, its properties, applications, and the latest research findings that highlight its importance in modern chemical biology.

The compound is characterized by its cyclic structure, which imparts unique steric and electronic properties. The thiol (-SH) group is highly reactive, making Cyclopentanethiol a valuable building block for the synthesis of more complex molecules. In particular, its ability to participate in nucleophilic substitution reactions and form disulfide bonds has been exploited in the development of pharmaceuticals and agrochemicals.

In recent years, Cyclopentanethiol has garnered attention for its potential applications in drug discovery. Researchers have been exploring its role as a precursor in the synthesis of thiols, which are crucial for the development of enzyme inhibitors and antioxidants. For instance, derivatives of Cyclopentanethiol have been investigated for their ability to modulate the activity of cysteine proteases, which are implicated in various diseases such as cancer and neurodegenerative disorders.

The reactivity of the thiol group also makes Cyclopentanethiol a useful agent in biochemical assays. It has been employed in protein purification and labeling techniques due to its ability to form stable disulfide bonds with other thiols. This property is particularly valuable in structural biology, where understanding protein-protein interactions is essential for drug design.

Recent studies have also highlighted the role of Cyclopentanethiol in medicinal chemistry. A notable example is its use as a scaffold for designing novel antiviral agents. The cyclic structure of Cyclopentanethiol allows for the introduction of various functional groups, enabling the creation of molecules that can interact with viral enzymes and inhibit replication. These findings underscore the compound's potential as a starting point for developing new therapeutic strategies.

Cyclopentanethiol under different conditions has made it a preferred choice for industrial applications. Its resistance to oxidation and ability to undergo controlled reactions have been leveraged in the production of specialty chemicals. This has opened up new avenues for its use in materials science and polymer chemistry.

The synthesis of Cyclopentanethiol can be achieved through several routes, including the reaction of cyclopentene with hydrogen sulfide or the reduction of cyclopentanone thioesters. These synthetic pathways have been optimized to ensure high yields and purity, making Cyclopentanethiol readily available for research and industrial purposes.

In conclusion, Cyclopentanethiol (CAS No. 1679-07-8) is a multifaceted compound with significant applications in pharmaceuticals, biochemical research, and industrial chemistry. Its unique structural and chemical properties make it an invaluable tool for scientists working on drug discovery, material science, and beyond. As research continues to uncover new applications for this compound, its importance is only expected to grow.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:1679-07-8)Cyclopentanethiol
1665047
Purity:98%
Quantity:Company Customization
Price ($):Inquiry
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Amadis Chemical Company Limited
(CAS:1679-07-8)Cyclopentanethiol
A1201850
Purity:99%/99%
Quantity:25g/100g
Price ($):188.0/667.0
Email