(3-Formyl-1-indolyl)acetic acid
(3-Formyl-1-indolyl)acetic acid (CAS: 138423-98-0, C11H9NO3) is a chemical intermediate and building block. It features both an indole ring, an aldehyde group, and a carboxylic acid moiety, making it a versatile compound for organic synthesis. This bifunctional linker is employed in chemical research and synthesis, particularly in the creation of complex heterocyclic compounds and in chemical biology applications. It is supplied by Tech Serve Solutions with a purity of ≥97.0%.

Organic Synthesis Intermediate
This compound serves as a valuable building block in the synthesis of diverse organic molecules, owing to its indole core and reactive functional groups. It is particularly useful for introducing substituted indole moieties into larger structures.
Chemical Biology Research
Its unique structure makes it suitable for applications in chemical biology, potentially as a precursor for probes or modified biomolecules. The aldehyde and carboxylic acid groups offer distinct points for conjugation or further chemical modification.
Heterocyclic Compound Synthesis
The indole scaffold is a key structural motif in many biologically active compounds. (3-Formyl-1-indolyl)acetic acid is used to construct more complex heterocyclic systems, including potential pharmaceutical candidates.
| Molecular weight | 203.19 |
|---|---|
| Empirical formula | C11H9NO3 |
| Assay | ≥97.0% |
| Storage temperature | 2-8°C |
| Melting point | 197-200 °C(lit.)197-200 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is (3-Formyl-1-indolyl)acetic acid used for?
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This compound is primarily used as an intermediate and building block in organic synthesis and chemical biology research, particularly for constructing complex heterocyclic molecules and functionalized indole derivatives.
What are the CAS number and formula for (3-Formyl-1-indolyl)acetic acid?
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The CAS number is 138423-98-0 and the empirical formula is C11H9NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (3-Formyl-1-indolyl)acetic acid with an assay of ≥97.0%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should (3-Formyl-1-indolyl)acetic acid be handled and stored?
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Handle with appropriate personal protective equipment including a dust mask (N95 type), eyeshields, and gloves. Avoid breathing dust. Store at 2-8°C in a well-ventilated place. It is classified as an irritant (H315, H319, H335).
Is (3-Formyl-1-indolyl)acetic acid a controlled substance?
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Based on the provided data, there is no indication that (3-Formyl-1-indolyl)acetic acid is a controlled substance.
How can I request a quote or sample for (3-Formyl-1-indolyl)acetic acid?
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Please contact our sales team via the website or direct email to request a quotation or inquire about sample availability. Our team will assist with your export requirements.
How is this chemical packed and exported?
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This chemical is typically packed in compliance with relevant shipping regulations for export. Please contact us for specific details regarding packaging and international shipping.
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