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2-(4-Aminophenylthio)acetic acid

CAS 104-18-7C8H9NO2SChemical Synthesis

2-(4-Aminophenylthio)acetic acid (CAS: 104-18-7, C8H9NO2S) is a chemical compound with a molecular weight of 183.23 g/mol. It serves as a valuable intermediate in organic synthesis, particularly within chemical biology and peptide chemistry. Its structure, featuring both an amine and a carboxylic acid group linked by a thioether, allows for diverse chemical modifications and incorporation into more complex molecules. Available at ≥98.0% purity.

IUPAC
S-(4-Aminophenyl)thioglycolic acid
Synonyms
S-(4-Aminophenyl)thioglycolic acid
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2-(4-Aminophenylthio)acetic acid (C8H9NO2S) — chemical structure, CAS 104-18-7; Chemistry, fine chemical supplied by Tech Serve Solutions
Chemical BiologyChemical SynthesisOthersPeptide Chemistry
01 /Applications

Chemical Synthesis Intermediate

Utilised as a building block in the synthesis of novel organic compounds and pharmaceutical intermediates. Its functional groups enable participation in various coupling and derivatisation reactions.

Peptide Chemistry

Incorporated into unnatural amino acid derivatives for peptide synthesis. This allows for the creation of peptides with modified structures for research or therapeutic applications.

Chemical Biology Research

Employed in studies involving biomolecules and biochemical pathways. It can be used to probe protein structures or functions through conjugation or modification.

02 /Properties
Molecular weight183.23
Empirical formulaC8H9NO2S
Assay≥98.0%
Melting point197-203 °C
03 /Safety & handling
GHS hazard pictogram: Toxic (GHS06)
Toxic
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
Danger

Hazard statements

  • H301Toxic if swallowed
  • H334May cause allergy or asthma symptoms if inhaled

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P301IF SWALLOWED
  • P342
Protective equipmentdust mask type N95 (US), Eyeshields, Faceshields, Gloves
Transport (UN / ADR)UN 2811 6.1 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)22-43
Safety statements (S)36/37

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

04 /Identifiers & registry
CAS number
104-18-7
MDL number
MFCD00025360
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 2-(4-Aminophenylthio)acetic acid used for?

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2-(4-Aminophenylthio)acetic acid is primarily used as an intermediate in chemical synthesis, particularly in the fields of chemical biology and peptide chemistry for creating unnatural amino acid derivatives and complex organic molecules.

What are the CAS number and chemical formula?

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The CAS number for 2-(4-Aminophenylthio)acetic acid is 104-18-7, and its empirical formula (Hill notation) is C8H9NO2S.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 2-(4-Aminophenylthio)acetic acid with an assay of ≥98.0%. This product is intended for research and laboratory use. TSS does not represent this product as USP, BP, or EP grade.

How should 2-(4-Aminophenylthio)acetic acid be handled safely?

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This compound is toxic if swallowed and may cause allergy or asthma symptoms or breathing difficulties if inhaled (H301, H334). Appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, faceshields, and gloves, should be used. Handle in a well-ventilated area.

How is 2-(4-Aminophenylthio)acetic acid shipped and exported?

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2-(4-Aminophenylthio)acetic acid is classified under UN 2811 (Toxic solid, organic, n.o.s.) with Hazard Class 6.1 and Packing Group III. Tech Serve Solutions adheres to all regulations for its safe packing, shipping, and international export.

How can I request a sample or quote for 2-(4-Aminophenylthio)acetic acid?

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To request a sample or a quote, please contact our sales department via the website or by calling us directly. Please specify the quantity required and your shipping details.

Need 2-(4-Aminophenylthio)acetic acid in a specific grade or volume?