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5-Nitro-2-thiophenecarbonitrile

CAS 16689-02-4C5H2N2O2SChemical Synthesis

5-Nitro-2-thiophenecarbonitrile (CAS: 16689-02-4), with the molecular formula C5H2N2O2S and a molecular weight of 154.15 g/mol, is a key heterocyclic building block. This compound is primarily utilised in organic synthesis, particularly within the pharmaceutical and agrochemical industries, serving as an intermediate for the creation of more complex molecular structures. Its nitrated thiophene core offers unique reactivity for further chemical transformations.

IUPAC
2-Cyano-5-nitrothiophene
Synonyms
2-Cyano-5-nitrothiophene
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5-Nitro-2-thiophenecarbonitrile (C5H2N2O2S) — chemical structure, CAS 16689-02-4; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksC4 to C6Chemical SynthesisHeterocyclic Building BlocksThiophenes
01 /Applications

Organic Synthesis Intermediate

Serves as a versatile building block in the synthesis of diverse organic compounds. Its nitro and nitrile functionalities on the thiophene ring enable a range of chemical reactions for constructing complex molecules.

Pharmaceutical Research and Development

Used as a starting material or intermediate in the development of novel pharmaceutical agents. The thiophene scaffold is present in various biologically active molecules.

Agrochemical Synthesis

Employed in the synthesis of active ingredients for crop protection products. Its structure can be modified to create compounds with specific pesticidal or herbicidal properties.

02 /Properties
Molecular weight154.15
Empirical formulaC5H2N2O2S
Assay≥97.0% (HPLC)
Storage temperature2-8°C
Melting point42-46 °C
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
GHS hazard pictogram: Toxic (GHS06)
Toxic
Danger

Hazard statements

  • H301Toxic if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H335May cause respiratory irritation

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P280Wear protective gloves, clothing and eye/face protection
  • P301IF SWALLOWED
  • P305IF IN EYES
Protective equipmentdust mask type N95 (US), Eyeshields, Faceshields, Gloves
Transport (UN / ADR)UN 3439 6.1 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)22-37/38-41
Safety statements (S)26-36/37/39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
16689-02-4
MDL number
MFCD00052401
Beilstein registry
123934
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 5-Nitro-2-thiophenecarbonitrile used for?

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5-Nitro-2-thiophenecarbonitrile is primarily used as a building block in organic synthesis, particularly for pharmaceutical and agrochemical research and development.

What is the CAS number and molecular formula for 5-Nitro-2-thiophenecarbonitrile?

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The CAS number is 16689-02-4, and the molecular formula is C5H2N2O2S.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 5-Nitro-2-thiophenecarbonitrile with a purity of ≥97.0% (HPLC). We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.

How should 5-Nitro-2-thiophenecarbonitrile be handled?

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This compound is classified as Danger, with hazards including toxicity if swallowed (H301), skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, face shields, and gloves, is essential. Handle in a well-ventilated area.

How is 5-Nitro-2-thiophenecarbonitrile packed and exported?

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5-Nitro-2-thiophenecarbonitrile is shipped according to UN 3439, Class 6.1, Packing Group III regulations. TSS exports globally, adhering to all relevant shipping and customs requirements.

How can I request a quote or sample of 5-Nitro-2-thiophenecarbonitrile?

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To request a quote or sample, please contact our sales department via the website or direct email, providing your contact details and the product name or CAS number.

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