6-Carboxyoxindole

Name: 6-Carboxyoxindole
Brand: Zemixal
SKU: ZX-025840

Reference StandardAvailable on request

Buy 6-Carboxyoxindole (CAS 334952-09-9) from Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.

Pack sizes

CAS number334952-09-9

FormulaC₉H₇NO₃

Molar mass177.16 g/mol

Physical formSolid

HS code38229090

InChIKeyIIKVTJWRBSYRSA-UHFFFAOYSA-N

IUPAC name2-oxo-1,3-dihydroindole-6-carboxylic acid

About 6-Carboxyoxindole

6-Carboxyoxindole is supplied by Zemixal as a characterised reference material for Nintedanib analysis. Identity at a glance (Reference Standard): CAS 334952-09-9, formula C9H7NO3 and molar mass 177.16 g/mol. It is handled as a solid.

Common uses in the lab and plant

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Safe handling

It carries the GHS signal word Warning (H302, H315, H317 and H319), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Nintedanib

See every impurity, metabolite and related compound we list for this API.

Nintedanib standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 6-Carboxyoxindole
Product name	6-Carboxyoxindole
Catalogue number	ZX-025840
CAS number	334952-09-9
IUPAC name	2-oxo-1,3-dihydroindole-6-carboxylic acid
Molecular formula	C₉H₇NO₃
Molar mass	177.16 g/mol
Exact mass	177.0426
Grade	Reference Standard
Physical form	Solid
XLogP3	0.7
H-bond donors / acceptors	2 / 3
Topological polar surface area	66.4 Å²
HS code	38229090
InChIKey	IIKVTJWRBSYRSA-UHFFFAOYSA-N
SMILES	C1C2=C(C=C(C=C2)C(=O)O)NC1=O
PubChem CID	7213323
Synonyms	2-oxoindoline-6-carboxylic acid, 2-Oxo-2,3-dihydro-1H-indole-6-carboxylic acid, 2-Oxo-indoline-6-carboxylic Acid, 1H-Indole-6-carboxylic acid, 2,3-dihydro-2-oxo-, 2-oxoindoline-6-carboxylicacid, 2-indolinone-6-carboxylic acid, 2-oxo-6-indolinecarboxylic acid, 1H-Indole-6-carboxylic acid, 2

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P272, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 6-Carboxyoxindole
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 6-Carboxyoxindole

Which CAS number identifies 6-Carboxyoxindole?

6-Carboxyoxindole is registered under CAS 334952-09-9. You may also see it listed as 2-oxoindoline-6-carboxylic acid, 2-Oxo-2,3-dihydro-1H-indole-6-carboxylic acid, 2-Oxo-indoline-6-carboxylic Acid. Our catalogue number for this item is ZX-025840.

What are the formula and molar mass of 6-Carboxyoxindole?

For 6-Carboxyoxindole, its formula is C9H7NO3 and its molar mass is 177.16 g/mol. The systematic (IUPAC) name is 2-oxo-1,3-dihydroindole-6-carboxylic acid. InChIKey IIKVTJWRBSYRSA-UHFFFAOYSA-N lets you match it in any structure database.

How is 6-Carboxyoxindole used in pharmaceutical QC?

6-Carboxyoxindole is a characterised reference material linked to Nintedanib. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 6-Carboxyoxindole?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 6-Carboxyoxindole?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 6-Carboxyoxindole to my country?

Yes. Because 6-Carboxyoxindole is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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