ChemicalBook > CAS DataBase List > 1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE

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

Less

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.)

Less

Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
HS Code: 2933.99.9701

Less

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.

Less

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

Less

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

Less

1 2 3 4-TETRAHYDROCYCLOPENT(B) INDOLE Suppliers

China 73 Europe 2 Germany 2 India 5 Japan 1 Switzerland 1 United Kingdom 1 United States 4 Global 89

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

Bide Pharmatech Ltd.

Tel: 400-164-7117 13681763483
Fax: +86-21-61629029
Email: product02@bidepharm.com
Country: China
ProdList: 39966
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: 5674
Advantage: 50

Sigma-Aldrich

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

DebyeTec.com Inc.

Tel: 18-086626237 18086626237
Fax: qq:2693528373
Email: 2693528373@qq.com
Country: China
ProdList: 2973
Advantage: 56

Shanghai Kahn Pharmaceutical Co., Ltd.

Tel: 021-34979681; 17701870669
Fax: 021-34979681
Email: 41513101@qq.com
Country: China
ProdList: 1785
Advantage: 55

Shanghai Chenzhu Pharmaceutical Co., Ltd.

Tel: 13162380607
Fax: QQ:1696175688
Email: 1696175688@qq.com
Country: China
ProdList: 817
Advantage: 55

Tcichem, Inc.

Tel: 13918644899
Fax: -
Email: tianchong009@hotmail.com
Country: China
ProdList: 1818
Advantage: 55

Chengdu Huachun Technology Co., Ltd

Tel: 400-1166-196 15982826727
Fax: QQ：800101999
Email: cdhxsj@163.com
Country: China
ProdList: 14603
Advantage: 60

Amadis Chemical Company Limited

Tel: 571-89925085
Fax: 0086-571-89925065
Email: sales@amadischem.com
Country: China
ProdList: 131957
Advantage: 58

Shandong Ono Chemical Co., Ltd.

Tel: 0539-6362799 20）
Fax: 0539-6362799（To 20）
Country: China
ProdList: 10007
Advantage: 58

Hangzhou Molcore Biopharmatech Co.,Ltd

Tel: 400-711-5280 86-571-81025280
Fax: 86-571-85806285
Email: sales@molcore.com
Country: China
ProdList: 9967
Advantage: 58

Sichuan BaiPeng Biotechnology Co., Ltd.

Tel: 028-65791793 18140026355
Fax: QQ568470422
Email: 568470422@qq.com
Country: China
ProdList: 9997
Advantage: 58

Aikon International Limited

Tel: 025-58851090 15955137747
Fax: (6)02557626880
Email: sales01@aikonchem.com
Country: China
ProdList: 15949
Advantage: 58

Suzhou Nuoouman Biological Technology Co., Ltd.

Tel: 15026866316
Email: 180642609@qq.com
Country: China
ProdList: 4967
Advantage: 58

Tianjin heowns Biochemical Technology Co., Ltd.

Tel: 400-6387771-6039 18920764717
Email: sales@heowns.com
Country: China
ProdList: 23771
Advantage: 60

Shanghai Benso Pharmaceutical Technology Co., Ltd.

Tel: 15088289376
Email: 248775804@qq.com
Country: China
ProdList: 4995
Advantage: 58

Shanghai Jizhi Biochemical Technology Co. Ltd.

Tel: 4009004166/18616739031 18616739031
Email: 3007523370@qq.com
Country: China
ProdList: 52687
Advantage: 58

ORGCHEM TECHNOLOGIES.INC.

Tel: 0886-975293855
Email: jrkuo@orgchem.com.tw
Country: CHINA
ProdList: 89
Advantage: 58

wuhan Dekray Biomedical Technology Co.,Ltd

Tel: 027-69573188 18221423799
Email: 1503407886@qq.com
Country: China
ProdList: 1439
Advantage: 58

Shenzhen Polymeri Biochemical Technology Co., Ltd.

Tel: +86-400-002-6226 +86-13028896684;
Email: sales@rrkchem.com
Country: China
ProdList: 57422
Advantage: 58

ANHUI WITOP BIOTECH CO., LTD

Tel: +8615255079626
Email: eric@witopchemical.com
Country: China
ProdList: 23541
Advantage: 58

Wuhan Fortuna Chemical Co., Ltd

Tel: +86-027-59207850 +86-13986145403;
Fax: 86-27-59524646
Email: info@fortunachem.com
Country: China
ProdList: 5987
Advantage: 58

Dayang Chem (Hangzhou) Co.,Ltd.

Tel: +86-0571-88938639 +8617705817739
Fax: +86-571-88938652，+86-571- 88492614
Email: info@dycnchem.com
Country: China
ProdList: 52846
Advantage: 58

CONIER CHEM AND PHARMA LIMITED

Tel: +8618523575427
Email: sales@conier.com
Country: China
ProdList: 49975
Advantage: 58

career henan chemical co

Tel: +86-0371-86658258 +8613203830695
Fax: 0086-371-86658258
Email: factory@coreychem.com
Country: China
ProdList: 29798
Advantage: 58

CHG Opto-Electronic Corporation Limited

Tel: 2537653158 16621191650
Fax: QQ 2537653158
Email: 2537653158@qq.com
Country: China
ProdList: 7301
Advantage: 58

Energy Chemical

Tel: 021-58432009 400-005-6266
Fax: 021-58436166
Email: marketing@energy-chemical.com
Country: China
ProdList: 44918
Advantage: 58

Hubei Co-prosperity Medicine Technonlogy Co., Ltd

Tel: 2383948258 19172820304
Email: 2383948258@qq.com
Country: China
ProdList: 12987
Advantage: 58

Hefei Mokai Pharmaceutical Technology Co., Ltd

Tel: 18130062233
Email: 3362556465@qq.com
Country: China
ProdList: 8100
Advantage: 58

Bide Pharmatech Ltd.

Tel: 400-6005915
Email: sales@picasso-e.com
Country: China
ProdList: 39665
Advantage: 58

Yangzhou Qianhang Chemical Technology Co., Ltd.

Tel: 18051976595
Email: 3086187058@qq.com
Country: China
ProdList: 298
Advantage: 58

Zhengzhou kaida medicine technology co., ltd

Tel: 19522287713
Email: xuexue0202@126.com
Country: China
ProdList: 67
Advantage: 58

Shandong Mingde Biotechnology Co., Ltd

Tel: 15553348166
Email: m15553348166@163.com
Country: China
ProdList: 9967
Advantage: 58

Zhengzhou Hong Sheng Pharmaceutical Technology Co. Ltd.

Tel: 0371-55695890 15637198702
Email: 1677336983@qq.com
Country: China
ProdList: 13191
Advantage: 58

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 18621169109
Email: market03@meryer.com
Country: China
ProdList: 27987
Advantage: 58

ShenZhen Trendseen Biological Technology Co.,Ltd.

Tel: 13417589054;
Email: trendseenbio@gmail.com
Country: China
ProdList: 9069
Advantage: 58

Shanghai Haohong Scientific Co., Ltd.

Tel: 400-8210725 4008210725
Email: malulu@leyan.com
Country: China
ProdList: 40000
Advantage: 58

Shaanxi Didu New Material Co., Ltd

Tel: 029-81145920 17391631969
Email: 1046@dideu.com
Country: China
ProdList: 9996
Advantage: 58

chemfish tokyo co.,ltd

Tel: 0731-0731-85521272 18570329630
Email: sales@chemfish.com
Country: China
ProdList: 3027
Advantage: 58

Zhengzhou kaimisi medicine technology co., ltd

Tel: 13949133700; 13949133700
Email: zzkmsyy@163.com
Country: China
ProdList: 256
Advantage: 58

Auonsi (Shanghai) Biology Technology Co., Ltd.

Tel: 400-1107768 15058188853
Fax: 0571-88150696
Email: 478133536@qq.com
Country: China
ProdList: 8552
Advantage: 58

Shandong Mingde Biotechnology Co., Ltd.

Tel: 18560864701
Email: 643971@qq.com
Country: China
ProdList: 6098
Advantage: 58

Jiangxi Puxin Biotechnology Co., Ltd

Tel: 15867635987
Email: jasonhu09@163.com
Country: China
ProdList: 796
Advantage: 58

Shijiazhuang Dushi Biopharmaceutical Technology Co., Ltd

Tel: 13102890206 18032066297
Email: 3685803652@qq.com
Country: China
ProdList: 338
Advantage: 58

Less

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