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5-Cyanothiophene-2-carboxaldehyde

CAS 21512-16-3C6H3NOSChemical Synthesis

5-Cyanothiophene-2-carboxaldehyde (CAS: 21512-16-3, Formula: C6H3NOS, MW: 137.16) is a vital heterocyclic building block. This thiophene derivative, featuring both a nitrile and an aldehyde functional group, offers versatile reactivity for organic synthesis. It is primarily employed in the development of novel chemical entities, playing a key role in the construction of complex molecules for research and development purposes within the fine chemical and pharmaceutical sectors.

IUPAC
5-Formylthiophene-2-carbonitrile
Synonyms
5-Formylthiophene-2-carbonitrile
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5-Cyanothiophene-2-carboxaldehyde (C6H3NOS) — chemical structure, CAS 21512-16-3; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksC4 to C6Chemical SynthesisHeterocyclic Building BlocksThiophenes
01 /Applications

Organic Synthesis Intermediate

Serves as a key intermediate in multi-step organic synthesis pathways, enabling the introduction of thiophene-based scaffolds into target molecules. Its dual functionality allows for sequential or selective reactions, facilitating the creation of diverse chemical structures.

Pharmaceutical Research

Utilised in the exploration of new drug candidates, where the thiophene core is a common motif in biologically active compounds. The aldehyde and nitrile groups can be readily transformed into various pharmacophores.

Materials Science

May be employed in the synthesis of functional materials, such as organic semiconductors or dyes, where conjugated thiophene systems are beneficial for electronic or optical properties.

Agrochemical Development

Can be investigated as a precursor for novel agrochemicals, leveraging the thiophene ring's presence in some biologically active pesticides and herbicides.

02 /Properties
Molecular weight137.16
Empirical formulaC6H3NOS
Assay97%
Melting point90-95 °C
03 /Safety & handling
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

Hazard statements

  • H302Harmful if swallowed
  • H319Causes serious eye irritation

Precautionary statements

  • P305IF IN EYES
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)22-36
Safety statements (S)26

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

04 /Identifiers & registry
CAS number
21512-16-3
MDL number
MFCD09037804
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-Cyanothiophene-2-carboxaldehyde used for?

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This compound is primarily used as a versatile intermediate in organic synthesis, particularly in the pharmaceutical and fine chemical industries, for the construction of complex heterocyclic molecules.

What are the CAS number and molecular formula?

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The CAS number for 5-Cyanothiophene-2-carboxaldehyde is 21512-16-3, and its molecular formula is C6H3NOS.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 5-Cyanothiophene-2-carboxaldehyde with an assay of 97%. This product is suitable for research and chemical synthesis purposes; TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.

What are the main hazards associated with this chemical?

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This compound is classified with GHS07 symbol and a Warning signal word. It is harmful if swallowed (H302) and causes serious eye irritation (H319). Appropriate personal protective equipment should be worn, and it should be handled in a well-ventilated area.

How is this chemical packed, shipped, and exported?

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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all necessary regulations for safe and compliant international shipping.

How can I request a sample or quote?

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To request a sample or a quote, please use the contact form on our website or contact our sales department directly with your inquiry.

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