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 1999 · 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
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-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 as a white powder whose identification conforms to the reference standard. Please contact us with your specific purity 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.