Molekula
5-Fluoroindole
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
5-Fluoroindole is a fluorinated heterocyclic compound used in pharmaceutical research and the synthesis of bioactive molecules. It serves as an intermediate in the development of medicinal compounds and agrochemicals. Available with a purity of ≥98%, it has a molecular formula of C8H6FN, a molecular weight of 135.14 g/mol, and is stable at ambient temperature. Stored under standard conditions, it carries a warning signal word due to potential hazards. Molekula supplies 5-Fluoroindole 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 24 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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1 g — £30.90 per pack ex VAT · £37.08 inc. VAT
Need a different quantity or pack?
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.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Off-white to light brown solid |
| Assay | ≥97.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 110 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 23113154 |
| CAS Number | 399-52-0 |
| IUPAC Name | 5-fluoro-1H-indole |
| EC Number | 206-917-4 |
| Molecular Formula | C8H6FN |
| Molecular Weight | 135.14 |
| Exact Mass | 135.0484 |
| SMILES | C1=CC2=C(C=CN2)C=C1F |
| InChIKey | ODFFPRGJZRXNHZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H6FN/c9-7-1-2-8-6(5-7)3-4-10-8/h1-5,10H |
| PubChem CID | 67861 |
| REACH Code | Y113 |
| HTS Code | 2933.99.8090 |
| Tariff Code | 2933998090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
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, 5-fluoro-
- 3fuf
- 5-Fluoro-1H-indole
- 5-Fluoro-1H-indole; 5-fluoroindole; NSC 88613;
- 5-fluoroindol
- Indole, 5-fluoro-
Frequently asked questions
What is 5-Fluoroindole commonly used for?
5-Fluoroindole is primarily used as a building block in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and fluorescent dyes.
What is the chemical formula and molecular weight of 5-Fluoroindole?
The chemical formula is **C₈H₆FN**, and the molecular weight is **135.14 g/mol**.
How should 5-Fluoroindole be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What grades of 5-Fluoroindole does Molekula supply?
Molekula supplies **high-purity analytical and synthetic-grade 5-Fluoroindole**, suitable for research and industrial applications.
Can Molekula supply 5-Fluoroindole in bulk quantities?
Yes, Molekula can provide **bulk quantities** of 5-Fluoroindole upon request, with flexible packaging options.
What documentation comes with an order of 5-Fluoroindole?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.