Indoline-2-carboxylic acid, 98%

About Indoline-2-carboxylic acid, 98%

Indoline-2-carboxylic acid is a peptide synthesis reagent carrying the CAS registry number 78348-24-0, specified at 97% purity. Its molecular formula is C9H9NO2 and its molecular weight is 163.17 g/mol. Its systematic (IUPAC) name is 2,3-dihydro-1H-indole-2-carboxylic acid. Common synonyms include 1H-Indole-2-carboxylic acid, 2,3-dihydro- and 2,3-Dihydroindole-2-carboxylic acid.

It is supplied as white to light yellow to light orange powder or crystals. Reported physical data include a melting point of 168 °C (dec.). Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for peptide coupling, solid-phase peptide synthesis, bioconjugation and pharmaceutical synthesis. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Peptide coupling
Solid-phase peptide synthesis
Bioconjugation
Pharmaceutical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Indoline-2-carboxylic acid, 98%
Catalogue No.	VQ-002395
CAS Number	78348-24-0
IUPAC name	2,3-dihydro-1H-indole-2-carboxylic acid
Molecular formula	C₉H₉NO₂
Molecular weight	163.17 g/mol
Exact mass	163.0633
Purity / assay	97%
HSN code	29332990
InChIKey	QNRXNRGSOJZINA-UHFFFAOYSA-N
SMILES	C1C(NC2=CC=CC=C21)C(=O)O
PubChem CID	86074

Physical properties
Physical form	Crystalline
Appearance	White to light yellow to light orange powder or crystals
Melting point	168 °C (dec.)
LogP (XLogP3)	1.6
H-bond donors / acceptors	2 / 3
TPSA	49.3 Å²
Synonyms	1H-Indole-2-carboxylic acid, 2,3-dihydro-, 2,3-Dihydroindole-2-carboxylic acid, (+-)-indoline-2-carboxylic acid, (+/-)-Indoline-2-carboxylic acid, (2RS)-2-carboxyindoline, (+)-indoline-2-carboxylic acid, Indoline-2-carboxylic, Indoline-2-carboxylicacid, ( inverted exclamation markA)-Indoline-2-carboxylic acid, dl-indoline-2-carboxylic acid, s-(-)-indoline-2-carboxylic acid, (1)-Indoline-2-carboxylic acid

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P261, P272, P280, P302 + P352, P318, P321, P333 + P317, P362 + P364, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Indoline-2-carboxylic acid, 98%?

The CAS Registry Number of Indoline-2-carboxylic acid, 98% is 78348-24-0. It is also known as 1H-Indole-2-carboxylic acid, 2,3-dihydro-, 2,3-Dihydroindole-2-carboxylic acid, (+-)-indoline-2-carboxylic acid.

What is the molecular formula and molecular weight of Indoline-2-carboxylic acid, 98%?

Indoline-2-carboxylic acid, 98% has the molecular formula C9H9NO2 and a molecular weight of 163.17 g/mol. Its IUPAC name is 2,3-dihydro-1H-indole-2-carboxylic acid.

Which grade and pack sizes of Indoline-2-carboxylic acid, 98% can I order?

We supply Indoline-2-carboxylic acid, 98% in (97%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Indoline-2-carboxylic acid, 98%?

Yes. Every lot of Indoline-2-carboxylic acid, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Indoline-2-carboxylic acid, 98% be shipped internationally?

Yes. Indoline-2-carboxylic acid, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.