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Atomfair 5-Amino-1H-indole-2-carboxylic acid C9H8N2O2 CAS 152213-40-6

5-Amino-1H-indole-2-carboxylic acid (CAS No. 152213-40-6) is a high-purity heterocyclic compound with the molecular formula C9H8N2O2. This indole derivative features an amino group at the 5-position and a carboxylic acid moiety at the 2-position, making it a versatile building block for organic synthesis and pharmaceutical research. The compound is supplied as a fine, off-white to light yellow crystalline powder with ≥95% purity (HPLC). It is soluble in polar organic solvents such as DMSO and methanol but exhibits limited solubility in water. Store under inert conditions at 2-8°C to ensure long-term stability. Ideal for researchers developing novel indole-based compounds for medicinal chemistry,…

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Description

5-Amino-1H-indole-2-carboxylic acid (CAS No. 152213-40-6) is a high-purity heterocyclic compound with the molecular formula C9H8N2O2. This indole derivative features an amino group at the 5-position and a carboxylic acid moiety at the 2-position, making it a versatile building block for organic synthesis and pharmaceutical research. The compound is supplied as a fine, off-white to light yellow crystalline powder with ≥95% purity (HPLC). It is soluble in polar organic solvents such as DMSO and methanol but exhibits limited solubility in water. Store under inert conditions at 2-8°C to ensure long-term stability. Ideal for researchers developing novel indole-based compounds for medicinal chemistry, agrochemicals, and material science applications.

Properties

  • CAS Number: 152213-40-6
  • Complexity: 220
  • IUPAC Name: 5-amino-1H-indole-2-carboxylic acid
  • InChI: InChI=1S/C9H8N2O2/c10-6-1-2-7-5(3-6)4-8(11-7)9(12)13/h1-4,11H,10H2,(H,12,13)
  • InChI Key: NKFIBMOQAPEKNZ-UHFFFAOYSA-N
  • Exact Mass: 176.058577502
  • Molecular Formula: C9H8N2O2
  • Molecular Weight: 176.17
  • SMILES: C1=CC2=C(C=C1N)C=C(N2)C(=O)O
  • Topological: 79.1
  • Monoisotopic Mass: 176.058577502
  • Synonyms: 5-amino-1H-indole-2-carboxylic acid, 152213-40-6, DTXSID80571743, DTXCID00522515, 825-971-5, 5-aminoindole-2-carboxylic acid, 5-amino-1H-indole-2-carboxylicacid, 5-AMINO-2-INDOLECARBOXYLIC ACID, MFCD08458972, 1H-Indole-2-carboxylic acid, 5-amino-, SCHEMBL1333512, NKFIBMOQAPEKNZ-UHFFFAOYSA-N, CGA21340, AKOS006290467, AS-32982, DB-063934, CS-0309268, EN300-1717697, 5-amino-1H-indole-2-carboxylic acid, AldrichCPR, Z1198179704

Application

5-Amino-1H-indole-2-carboxylic acid serves as a key intermediate in the synthesis of biologically active indole derivatives, including kinase inhibitors and serotonin receptor modulators. Its bifunctional structure allows for selective modifications at both the amino and carboxyl groups, enabling the creation of diverse molecular scaffolds. Researchers utilize this compound in peptidomimetic studies and as a precursor for fluorescent probes targeting cellular imaging applications.

Safety and Hazards

GHS Hazard Statements

  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (100%)
  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2A (100%)
  • STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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