5-Methoxyisatin, 97%

Name: 5-Methoxyisatin, 97%
Brand: Vaqora Chemicals
SKU: VQ-012583

About 5-Methoxyisatin, 97%

Vaqora Chemicals supplies 5-Methoxyisatin, a five-membered N-heterocycle registered under CAS number 39755-95-8, specified at 97% purity. Its molecular formula is C9H7NO3 and its molecular weight is 177.16 g/mol. Its systematic (IUPAC) name is 5-methoxy-1H-indole-2,3-dione. Alternative names: 5-Methoxy-2,3-indolinedione and 5-methoxyindoline-2,3-dione.

It is supplied as orange to amber to dark red powder or crystals. Reported physical data include a melting point of 203 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 1 g, 5 g, 25 g and 100 g packs, 5-Methoxyisatin is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	5-Methoxyisatin, 97%
Catalogue No.	VQ-012583
CAS Number	39755-95-8
IUPAC name	5-methoxy-1H-indole-2,3-dione
Molecular formula	C₉H₇NO₃
Molecular weight	177.16 g/mol
Exact mass	177.0426
Purity / assay	97%
HSN code	29242990
InChIKey	DMHGXMPXHPOXBF-UHFFFAOYSA-N
SMILES	COC1=CC2=C(C=C1)NC(=O)C2=O
PubChem CID	38333

Physical properties
Physical form	Crystalline
Appearance	Orange to amber to dark red powder or crystals
Melting point	203 °C
LogP (XLogP3)	0.6
H-bond donors / acceptors	1 / 3
TPSA	55.4 Å²
Synonyms	5-Methoxy-2,3-indolinedione, 5-methoxyindoline-2,3-dione, 1H-Indole-2,3-dione, 5-methoxy-, 5-Methoxy-indole-2,3-dione, 5-Methoxyindole-2,3-dione, 5-21-13-00116 (Beilstein Handbook Reference), 1H-Indole-2,3-dione, 5-methoxy-(9CI), 5-Methoxy-2,3-Dihydro-1H-Indole-2,3-Dione, 5-Methoxy isatin, 5-methoxyisatine, 5-methoxy-1H-benzo[d]azolidine-2,3-dione, 1H-Indole-2,3-dione, 5-methoxy- (9CI)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 5-Methoxyisatin, 97%?

The CAS Registry Number of 5-Methoxyisatin, 97% is 39755-95-8. It is also known as 5-Methoxy-2,3-indolinedione, 5-methoxyindoline-2,3-dione, 1H-Indole-2,3-dione, 5-methoxy-.

What is the molecular formula and molecular weight of 5-Methoxyisatin, 97%?

5-Methoxyisatin, 97% has the molecular formula C9H7NO3 and a molecular weight of 177.16 g/mol. Its IUPAC name is 5-methoxy-1H-indole-2,3-dione.

Which grade and pack sizes of 5-Methoxyisatin, 97% can I order?

We supply 5-Methoxyisatin, 97% in (97%) grade, in 1 g, 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 5-Methoxyisatin, 97%?

Yes. Every lot of 5-Methoxyisatin, 97% 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 5-Methoxyisatin, 97% be shipped internationally?

Yes. 5-Methoxyisatin, 97% 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.