1,2,3,4-Tetrahydrocarbazol-4-one, 97%

Name: 1,2,3,4-Tetrahydrocarbazol-4-one, 97%
Brand: Vaqora Chemicals
SKU: VQ-012005

About 1,2,3,4-Tetrahydrocarbazol-4-one, 97%

1,2,3,4-Tetrahydrocarbazol-4-one (CAS 15128-52-6) is an indole derivative offered by Vaqora Chemicals, specified at 97% purity. Formula C12H11NO, molecular weight 185.22 g/mol. The IUPAC name is 1,2,3,9-tetrahydrocarbazol-4-one. It is also known as 1,2,3,9-tetrahydro-4H-carbazol-4-one or 1,2,3,4-tetrahydro-4-oxocarbazole.

The material typically appears as a white crystalline powder. Key physical data: a melting point of 224-226 °C and a density of 1.275 g/cm3. Recommended storage is at 2–8 °C, with the container kept tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 5 g, 25 g, 100 g and 1 kg packs, 1,2,3,4-Tetrahydrocarbazol-4-one is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,2,3,4-Tetrahydrocarbazol-4-one, 97%
Catalogue No.	VQ-012005
CAS Number	15128-52-6
IUPAC name	1,2,3,9-tetrahydrocarbazol-4-one
Molecular formula	C₁₂H₁₁NO
Molecular weight	185.22 g/mol
Exact mass	185.0841
Purity / assay	97%
HSN code	29280090
InChIKey	DSXKDTZEIWTHRO-UHFFFAOYSA-N
SMILES	C1CC2=C(C(=O)C1)C3=CC=CC=C3N2
PubChem CID	929130

Physical properties
Physical form	Powder
Appearance	White crystalline powder
Melting point	224-226 °C
Density	1.275 g/cm3
LogP (XLogP3)	2.2
H-bond donors / acceptors	1 / 1
TPSA	32.9 Å²
Storage	2–8 °C
Synonyms	1,2,3,9-tetrahydro-4H-carbazol-4-one, 1,2,3,4-tetrahydro-4-oxocarbazole, 2,3-dihydro-1H-carbazol-4(9H)-one, 1,2,3,4-Tetrahydro-4-oxo-carbazole, 1,2,3,4-Tetrahydrocarbazol-4-one, 1,2,3,9-Tetrahydro-4(H)-carbazol-4-one, 4H-Carbazol-4-one, 1,2,3,9-tetrahydro-, 2,3,4,9-tetrahydro-1H-carbazol-4-one, 1,2,3,9-tetrahydrocarbazole-4-one, 1,2,3,9-tetrahydro-carbazol-4-one, 1,2,3,9-Tetrahydro-carbazole-4-one, AH 2996

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
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 + P316, 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 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 1,2,3,4-Tetrahydrocarbazol-4-one, 97%?

The CAS Registry Number of 1,2,3,4-Tetrahydrocarbazol-4-one, 97% is 15128-52-6. It is also known as 1,2,3,9-tetrahydro-4H-carbazol-4-one, 1,2,3,4-tetrahydro-4-oxocarbazole, 2,3-dihydro-1H-carbazol-4(9H)-one.

What is the molecular formula and molecular weight of 1,2,3,4-Tetrahydrocarbazol-4-one, 97%?

1,2,3,4-Tetrahydrocarbazol-4-one, 97% has the molecular formula C12H11NO and a molecular weight of 185.22 g/mol. Its IUPAC name is 1,2,3,9-tetrahydrocarbazol-4-one.

Which grade and pack sizes of 1,2,3,4-Tetrahydrocarbazol-4-one, 97% can I order?

We supply 1,2,3,4-Tetrahydrocarbazol-4-one, 97% 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 1,2,3,4-Tetrahydrocarbazol-4-one, 97%?

Yes. Every lot of 1,2,3,4-Tetrahydrocarbazol-4-one, 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 1,2,3,4-Tetrahydrocarbazol-4-one, 97% be shipped internationally?

Yes. 1,2,3,4-Tetrahydrocarbazol-4-one, 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.

How should 1,2,3,4-Tetrahydrocarbazol-4-one, 97% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.