Molekula
Indole-3-carboxaldehyde (3-Formylindole)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Indole-3-carboxaldehyde (3-Formylindole) is an aromatic heterocyclic compound featuring an indole core with an aldehyde functional group, widely used in organic synthesis, fragrance formulation, and as a key intermediate in pharmaceutical research. It serves as a building block for complex molecules, including bioactive compounds and fluorescent dyes. This chemical has a CAS number of 487-89-8, a molecular formula of C9H7NO, and a molecular weight of 145.16 g/mol. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Indole-3-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
On backorder — expected to ship by 25 November 2026
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £62.30 per pack ex VAT · £74.76 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
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Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 240 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 197 - 199 °C |
| Vapour Pressure | 0.00043 mmHg |
Source: PubChem CID 10256 (Human Metabolome Database (HMDB), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 35895637 |
| CAS Number | 487-89-8 |
| IUPAC Name | 1H-indole-3-carbaldehyde |
| EC Number | 207-665-8 |
| Molecular Formula | C9H7NO |
| Molecular Weight | 145.16 |
| Exact Mass | 145.0528 |
| SMILES | C1=CC=C2C(=C1)C(=CN2)C=O |
| InChIKey | OLNJUISKUQQNIM-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H7NO/c11-6-7-5-10-9-4-2-1-3-8(7)9/h1-6,10H |
| PubChem CID | 10256 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29397900 |
| Tariff Code | 2939799090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
We haven't published a Safety Data Sheet for this product yet. Ask us and we'll send you one.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1H-Indole-3-carbaldehyde
- 1H-Indole-3-carboxaldehyde
- 3-Formylindole
- 3-Indolecarbaldehyde
- 3-indolemethanal
- beta-Indolylaldehyde
- Indole-3-aldehyde
- Indole-3-carbaldehyde
- INDOLE-3-CARBOXALDEHYDE
- INDOLE-3-CARBOXYALDEHYDE
Frequently asked questions
What is Indole-3-carboxaldehyde (3-Formylindole) commonly used for?
Indole-3-carboxaldehyde is primarily used in organic synthesis, as a building block for pharmaceuticals, and as a reagent in biochemical research, including studies on indole metabolism and signaling pathways.
What is the molecular formula and molecular weight of Indole-3-carboxaldehyde?
The molecular formula is **C9H7NO**, and the molecular weight is **145.16 g/mol**.
How should Indole-3-carboxaldehyde be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.
What grades or purities of Indole-3-carboxaldehyde does Molekula offer?
Molekula supplies **high-purity (98%+)** Indole-3-carboxaldehyde, suitable for research and synthesis applications.
Can Molekula supply Indole-3-carboxaldehyde in bulk quantities?
Yes, bulk quantities are available upon request—please contact our sales team for pricing and lead times.
What documentation is provided with an order of Indole-3-carboxaldehyde?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.