Molekula
Indole-5-carboxaldehyde (5-Formylindole)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Indole-5-carboxaldehyde (5-Formylindole) is an aromatic heterocyclic compound used primarily in organic synthesis, pharmaceutical research, and as a building block for complex indole derivatives. It serves as a key intermediate in the production of biologically active compounds, including potential drug candidates. This chemical has a CAS number of 1196-69-6, a molecular formula of C9H7NO, and a molecular weight of 145.16 g/mol. It should be stored at ambient conditions and handled with caution, as indicated by its warning signal word. Molekula supplies Indole-5-carboxaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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5 g — $147.70 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | Orange to tan powder |
| Melting Point | 98 - 103°C |
| Purity (HPLC) | ≥ 98.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 30863317 |
| CAS Number | 1196-69-6 |
| IUPAC Name | 1H-indole-5-carbaldehyde |
| Molecular Formula | C9H7NO |
| Molecular Weight | 145.16 |
| Exact Mass | 145.0528 |
| SMILES | C1=CC2=C(C=CN2)C=C1C=O |
| InChIKey | ADZUEEUKBYCSEY-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H7NO/c11-6-7-1-2-9-8(5-7)3-4-10-9/h1-6,10H |
| PubChem CID | 589040 |
| REACH Code | Y110 |
| HTS Code | 2933.99.8290 |
| Tariff Code | 2933998090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1H-indol-5-carbaldehyde
- 1H-Indole-5-carbaldehyde
- 1h-indole-5-carboxaldehyde
- 5-Formylindole
- 5-INDOLECARBOXALDEHYDE
- ADZUEEUKBYCSEY-UHFFFAOYSA-
- Indole-5-aldehyde
- indole-5-carbaldehyde
- Indole-5-carboaldehyde
- Indole-5-carboxaldehyde
Frequently asked questions
What is Indole-5-carboxaldehyde (5-Formylindole) commonly used for?
Indole-5-carboxaldehyde is primarily used as a building block in organic synthesis, including the preparation of pharmaceuticals, agrochemicals, and fluorescent dyes, as well as a key intermediate in the synthesis of indole-based compounds.
What is the chemical formula and molecular weight of Indole-5-carboxaldehyde?
The chemical formula is **C₉H₇NO**, and the molecular weight is **145.16 g/mol**.
What safety classification (signal word) applies to Indole-5-carboxaldehyde?
The signal word for Indole-5-carboxaldehyde is **Warning**, indicating it requires careful handling but is not classified as highly hazardous.
How should Indole-5-carboxaldehyde be stored?
It should be stored at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
Does Molekula supply Indole-5-carboxaldehyde in bulk quantities?
Yes, Molekula can provide Indole-5-carboxaldehyde in bulk, with quantities tailored to your specific requirements—please contact us for details.
What documentation is provided with an order of Indole-5-carboxaldehyde?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **batch-specific quality report** to ensure compliance and traceability.
Ready to order or need a custom pack?
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