1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE

Product Name: 1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE
CAS No.: 2047-91-8
Chemical Name: 1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE
Synonyms: NSC 112674;2,3-Trimethyleneindole;TETRAHYDROCYCLOPENT(B)INDOLE;1,2,3,4-Tetrahydro cyclopenta indole;1,2,3,4-Tetrahydrocyclopent[b] indole 96%;1,2,3,4-Tetrahydrocyclopent[b] indole;1,2,3,4-Tetrahydrocyclopent[b] indole（NSC 112674）
CBNumber: CB4499660
Molecular Formula: C11H11N
Formula Weight: 157.21
MOL File: 2047-91-8.mol

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1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE Property

Melting point:: 100.5-105.5 °C(lit.)
Boiling point:: 160-162 °C(Press: 1 Torr)
Density: 1.200±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
solubility: soluble in Chloroform, Methanol
form: powder to crystaline
pka: 17.83±0.20(Predicted)
color: Light yellow to Brown
λmax: 230nm(EtOH aq.)(lit.)
InChI: 1S/C11H11N/c1-2-6-10-8(4-1)9-5-3-7-11(9)12-10/h1-2,4,6,12H,3,5,7H2
InChIKey: HZDXFZHFEASSBM-UHFFFAOYSA-N
SMILES: C1Cc2[nH]c3ccccc3c2C1

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
HS Code: 2933.99.9701
Storage Class: 10 - Combustible liquids
Hazard Classifications: Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 537799
Product name: 1,2,3,4-Tetrahydrocyclopent[b] indole
Purity: 96%
Packaging: 5g
Price: $386
Updated: 2023/06/20

TCI Chemical

Product number: T3116
Product name: 1,2,3,4-Tetrahydrocyclopenta[b]indole
Purity: >97.0%(GC)
Packaging: 5g
Price: $92
Updated: 2025/07/31

TCI Chemical

Product number: T3116
Product name: 1,2,3,4-Tetrahydrocyclopenta[b]indole
Purity: >97.0%(GC)
Packaging: 25g
Price: $285
Updated: 2022/04/27

TRC

Product number: T293415
Product name: 1,2,3,4-Tetrahydrocyclopent[b] indole
Packaging: 5g
Price: $75
Updated: 2021/12/16

Chem-Impex

Product number: 43030
Product name: 1,2,3,4-Tetrahydrocyclopenta[β]indole,≥97%(GC)
Purity: ≥97%(GC)
Packaging: 5G
Price: $77.42
Updated: 2021/12/16

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1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE Chemical Properties,Usage,Production

Uses

• ;Reactant for thionium species-mediated functionalization at the 2α-position of indoles1• ;Reactant for preparation of tetramethylpiperidine-1-oxoammonium salts as oxidants2

Uses

1,2,3,4-Tetrahydrocyclopent[b]indole is used in the synthesis of BACE inhibitors. Also used to synthesize benzazocinecarboxylic acids as potential antiinflammatory agents.

Uses

Reactant for thionium species-mediated functionalization at the 2α-position of indoles
Reactant for preparation of tetramethylpiperidine-1-oxoammonium salts as oxidants

General Description

1,2,3,4-Tetrahydrocyclopent[b] indole undergoes reduction in the presence of Pd/C and hydrogen gas to yield 1,2,3,3a,4,8b-hexahydrocyclopent[b]indole.

1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE Suppliers

China 72 Europe 2 Germany 2 India 5 Japan 1 Switzerland 1 United Kingdom 1 United States 4 Global 88

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42934
Advantage: 64

Chemsky（shanghai）International Co.,Ltd.

Tel: 021-50135380
Email: shchemsky@sina.com
Country: China
ProdList: 32321
Advantage: 50

Tianjin heowns Biochemical Technology Co., Ltd.

Tel: 400 638 7771
Email: sales@heowns.com
Country: China
ProdList: 14435
Advantage: 57

TOKYO CHEMICAL INDUSTRY CO., LTD.

Tel: 03-36680489
Fax: 03-3668-0520
Email: Sales-JP@TCIchemicals.com
Country: Japan
ProdList: 28387
Advantage: 80

Bide Pharmatech Ltd.

Tel: 400-400-164-7117 18317119277
Fax: +86-21-61629029
Email: product02@bidepharm.com
Country: China
ProdList: 40000
Advantage: 60

Suzhou yacoo science co.,Ltd

Tel: 0512-87182056 18013166090
Fax: 0512-87182056
Email: lingling.qi@yacoo.com.cn
Country: China
ProdList: 6295
Advantage: 60

Nanjing Chalf-Pharm Technology Co., Ltd.

Tel: 025-57018978 18251899859
Fax: 025-57018008
Email: sales@chalf-pharm.com
Country: China
ProdList: 5666
Advantage: 50

Sigma-Aldrich

Tel: 021-61415566 800-8193336
Email: orderCN@merckgroup.com
Country: China
ProdList: 51395
Advantage: 80

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View Lastest Price from 1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: 1,2,3,4-Tetrahydrocyclopenta[b]indole 2047-91-8
Price: US $0.00/KG
Min. Order: 1KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-02-22

Career Henan Chemical Co

Product: 1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE 2047-91-8
Price: US $6.60/KG
Min. Order: 1KG
Purity: 97%-99%
Supply Ability: 1kg -1000kg
Release date: 2020-01-02

2047-91-8, 1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLERelated Search:

7-BROMO-1,2,3,4-TETRAHYDROCYCLOPENTA[B]INDOLE 1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE CYCLOPENT[B]INDOLE, 1,2,3,4-TETRAHYDRO-7-METHYL- TERPENDOLE C PENITREM A (2,3-DIHYDRO-1H-CYCLOPENTA[B]INDOL-4-YL)-ACETIC ACID 7-CHLORO-1,2,3,4-TETRAHYDROCYCLOPENT[B]INDOLE LOLITREM B CYCLOPENT[B]INDOLE, 1,2,3,4-TETRAHYDRO-7-METHOXY- CYCLOPENT[B]INDOLE-7-CARBOXYLIC ACID, 1,2,3,4-TETRAHYDRO PAXILLINE CYCLOPENT[B]INDOLE, 7-FLUORO-1,2,3,4-TETRAHYDRO- 5-BROMO-1,4-DIHYDRO-2H-CYCLOPENT[B]INDOL-3-ONE 7,8,9,10-TETRAHYDROCYCLOPENTA[4,5]PYRROLO[3,2-H]QUINOLIN-10-IUM CHLORIDE 7-CYCLOHEXYL-1,4-DIHYDRO-2H-CYCLOPENTA[B]INDOL-3-ONE PENITREMB 5-BROMOCYCLOPENTA[B]INDOL-1-ONE 1,1,3-trimethyl-3-(3'-indolyl)-1,2,3,4-tetrahydrocyclopent(b)indole

TETRAHYDROCYCLOPENT(B)INDOLE

2,3-Trimethyleneindole

NSC 112674

1,2,3,4-Tetrahydrocyclopent[b] indole 96%

1,2,3,4-Tetrahydro cyclopenta indole

1,2,3,4-Tetrahydrocyclopent[b] indole（NSC 112674）

1,2,3,4-Tetrahydrocyclopent[<i>b</i>] indole

2047-91-8

Building Blocks

Heterocyclic Building Blocks

Indoles

Building Blocks

C11

Chemical Synthesis

Heterocyclic Building Blocks