Molekula
5-Chloroindole-2-carboxylic acid
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
5-Chloroindole-2-carboxylic acid is a heterocyclic aromatic compound featuring a chlorine substituent at the 5-position and a carboxylic acid group at C-2. It serves as a key intermediate in pharmaceutical synthesis, particularly for developing indole-based drugs, and is also used in agrochemical research. This chemical has a CAS number of 10517-21-2, a molecular formula of C9H6ClNO2, and a molecular weight of 195.60 g/mol. It is stored at ambient conditions with a signal word of "Warning" for safety handling. Molekula supplies 5-Chloroindole-2-carboxylic acid 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 19584892 |
| CAS Number | 10517-21-2 |
| IUPAC Name | 5-chloro-1H-indole-2-carboxylic acid |
| EC Number | 234-050-1 |
| Molecular Formula | C9H6ClNO2 |
| Molecular Weight | 195.60 |
| Exact Mass | 195.0087 |
| SMILES | C1=CC2=C(C=C1Cl)C=C(N2)C(=O)O |
| InChIKey | FUQOTYRCMBZFOL-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H6ClNO2/c10-6-1-2-7-5(3-6)4-8(11-7)9(12)13/h1-4,11H,(H,12,13) |
| PubChem CID | 82693 |
| REACH Code | Y110 |
| HTS Code | 2933997500 |
| Tariff Code | 2933998090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- 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
- P308+313 IF exposed or concerned: 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-Indole-2-carboxylic acid, 5-chloro-
- 5-Chloro-1H-indole-2-carboxylic acid
- 5-Chloro-1H-indole-2-carboxylic Acid; 2-Carboxy-5-chloroindole; NSC 75651
- 5-Chloroindole-2-carboxylate
- KBio1_001710
- KBioGR_001308
- SpecPlus_000670
- Spectrum_000183
- Spectrum2_000513
- Spectrum3_000783
Frequently asked questions
What is 5-Chloroindole-2-carboxylic acid commonly used for?
This compound is primarily used as a building block in organic synthesis, particularly in the preparation of pharmaceutical intermediates, agrochemicals, and fluorescent dyes.
What is the chemical formula and molecular weight of 5-Chloroindole-2-carboxylic acid?
The chemical formula is **C9H6ClNO2**, and the molecular weight is **195.60 g/mol**.
How should 5-Chloroindole-2-carboxylic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What purity grades are available for this product?
Molekula supplies this compound in **analytical standard (98%+ purity)** and **synthetic grade**—please specify your requirements.
Can Molekula supply 5-Chloroindole-2-carboxylic acid in bulk quantities?
Yes, we offer bulk packaging options (e.g., 1 kg, 5 kg, 25 kg) for industrial and research-scale applications—contact us for pricing.
What documentation is provided with an order of 5-Chloroindole-2-carboxylic acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **packing slip** with batch details.
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.