(S)-(−)-Indoline-2-carboxylic acid
(S)-(−)-Indoline-2-carboxylic acid (CAS 79815-20-6; C9H9NO2) is a chiral compound with a molecular weight of 163.17. This organocatalyst is primarily utilised in asymmetric synthesis. Supplied by TSS with a minimum assay of 99%, it serves as a valuable reagent in sophisticated chemical transformations requiring high stereochemical control.

Asymmetric Synthesis
Utilized as a catalyst in enantioselective cyclopropanation reactions, enabling the formation of chiral cyclopropane derivatives with high stereoselectivity.
Chiral Reagent
Serves as a crucial chiral building block or reagent in the synthesis of complex organic molecules where specific stereochemistry is paramount.
Organocatalysis
As a proline-based organocatalyst, it facilitates various stereoselective organic reactions without the need for metal catalysts.
| Molecular weight | 163.17 |
|---|---|
| Empirical formula | C9H9NO2 |
| Assay | 99% |
| Optical activity | [α]20/D −114°, c = 1 in 1 M HCl |
| Application | Catalyst for enantioselective cyclopropanations.1 |
| Melting point | 177 °C (dec.)(lit.) |


Hazard statements
- H317May cause an allergic skin reaction
- H361F
- H373May cause damage to organs through prolonged exposure
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 43-48/22-62 |
| Safety statements (S) | 22-25-26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (S)-(−)-Indoline-2-carboxylic acid used for?
+
(S)-(−)-Indoline-2-carboxylic acid is primarily used as a catalyst in asymmetric synthesis, particularly for enantioselective cyclopropanations, and as a chiral reagent in complex organic synthesis.
What is the CAS number and formula for (S)-(−)-Indoline-2-carboxylic acid?
+
The CAS number is 79815-20-6 and the empirical formula is C9H9NO2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies (S)-(−)-Indoline-2-carboxylic acid with a minimum assay of 99%. We do not represent this product as meeting any specific pharmacopoeia standards such as USP, BP, or EP.
How should (S)-(−)-Indoline-2-carboxylic acid be handled?
+
Handle with appropriate personal protective equipment including eyeshields, face shields, and gloves. Ensure adequate ventilation. This compound may cause skin irritation (H317), is suspected of damaging fertility or the unborn child (H361f), and may cause damage to organs through prolonged or repeated exposure (H373).
Is (S)-(−)-Indoline-2-carboxylic acid available for export?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and can arrange for the export of (S)-(−)-Indoline-2-carboxylic acid.
How can I request a quote or sample?
+
To request a quote or sample of (S)-(−)-Indoline-2-carboxylic acid, please contact our sales team through the website or via direct inquiry.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis