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2-Methylindole-3-ethylamine

CAS No.
2731-06-8
Chemical Name:
2-Methylindole-3-ethylamine
Synonyms
2-(2-METHYL-1H-INDOL-3-YL)ETHANAMINE;AKOS B006949;2-Methyltryptamin;RARECHEM AN KA 1106;ART-CHEM-BB B006949;2-METHYL TRYPTAMINE;2-Methyltryptamine>2-Methylindole-3-ethylamine;2-Methyltryptamine, ≥ 98.0%;3-(2-AMINOETHYL)-2-METHYLINDOLE
CBNumber:
CB2220730
Molecular Formula:
C11H14N2
Molecular Weight:
174.24
MDL Number:
MFCD00130185
MOL File:
2731-06-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 00:02:44

2-Methylindole-3-ethylamine Properties

Melting point 106.0 to 110.0 °C
Boiling point 177°C/1.5mmHg(lit.)
Density 1.126±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Inert atmosphere,2-8°C
pka 17.78±0.30(Predicted)
form powder to crystal
color White to Light yellow to Dark green
InChI InChI=1S/C11H14N2/c1-8-9(6-7-12)10-4-2-3-5-11(10)13-8/h2-5,13H,6-7,12H2,1H3
InChIKey CPVSLHQIPGTMLH-UHFFFAOYSA-N
SMILES N1C2=C(C=CC=C2)C(CCN)=C1C
CAS DataBase Reference 2731-06-8(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
HS Code  2933.99.8290
HazardClass  IRRITANT
NFPA 704
0
1 0

2-Methylindole-3-ethylamine price More Price(36)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical M2055 2-Methyltryptamine >98.0%(GC)(T) 2731-06-8 1g $121 2026-04-30 Buy
TCI Chemical M2055 2-Methyltryptamine >98.0%(GC)(T) 2731-06-8 5g $366 2026-04-30 Buy
Biosynth FM25971 2-Methyltryptamine 2731-06-8 1g $224.88 2026-06-04 Buy
Biosynth FM25971 2-Methyltryptamine 2731-06-8 2g $374.82 2026-06-04 Buy
Biosynth FM25971 2-Methyltryptamine 2731-06-8 5g $674.65 2026-06-04 Buy
Product number Packaging Price Buy
M2055 1g $121 Buy
M2055 5g $366 Buy
FM25971 1g $224.88 Buy
FM25971 2g $374.82 Buy
FM25971 5g $674.65 Buy

2-Methylindole-3-ethylamine Chemical Properties, Uses, Production

Chemical Properties

Brown Solid

Uses

Key starting material in the synthesis of the histone deacetylase inhibitor LBH589.

Synthesis

5-Chloro-2-pentanone

5891-21-4

Phenylhydrazine

100-63-0

2-Methylindole-3-ethylamine

2731-06-8

The general procedure for the synthesis of 2-methylindole-3-ethylamine from 5-chloro-2-pentanone and phenylhydrazine was as follows: phenylhydrazine (19.8 mL, 200 mmol) and anhydrous ethanol (120 mL) were added to a 500 mL three-necked flask, which was heated to 35 °C under N2 protection. Subsequently, a solution of 5-chloro-2-pentanone (210 mmol) in ethanol (25 mL) was added dropwise. After maintaining the reaction temperature at 40 °C with stirring for 30 min, 160 mL of ethanol was added and the reaction was slowly heated to reflux for 4 hours. Upon completion of the reaction, filtration was performed and the solvent was removed by evaporation. Water (50 mL) was added to the residue and the mixture was adjusted to acidity with 2M hydrochloric acid solution. It was extracted with ethyl acetate (50 mL x 2) and the organic phase was discarded. The aqueous phase was adjusted to alkaline with 20% NaOH solution and extracted again with ethyl acetate (50 mL x 2) and the organic phases were combined. The organic phase was washed with water (50 mL×2) and saturated sodium chloride solution (50 mL×2) sequentially, dried over anhydrous sodium sulfate, filtered and concentrated to obtain the red oily product 2-methylindole-3-ethylamine (24.2 g, 70.1% yield).

References

[1] Organic Letters, 2014, vol. 16, # 13, p. 3480 - 3483
[2] Organic Process Research and Development, 2008, vol. 12, # 6, p. 1078 - 1088
[3] Patent: CN108794375, 2018, A. Location in patent: Paragraph 0043-0045
[4] Patent: CN108752255, 2018, A. Location in patent: Paragraph 0027-0029
[5] Journal of Chemical Research, 2018, vol. 42, # 9, p. 471 - 473

Global Suppliers ( 156)
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Wuhan FengyaoTonghui Chemical Products Co., Ltd. 027-87466105 15377573527 2678564200@qq.com China 17968 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
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China Langchem Inc. 0086-21-58956006 China 7798 57
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Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 13913916777 cfzhang@aikonchem.com China 19902 55

View Latest Price from 2-Methylindole-3-ethylamine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-Methylindole-3-ethylamine pictures 2019-07-06 2-Methylindole-3-ethylamine
2731-06-8
$1.00 1kg 95%-99% 500kg Career Henan Chemical Co
ART-CHEM-BB B006949 2-Methylindole-3-ethylamine 2-METHYL TRYPTAMINE 3-(2-AMINOETHYL)-2-METHYLINDOLE 2-(2-methyl-1H-indol-3-yl)ethanamine 0.95oxalate 2-(2-METHYL-1H-INDOL-3-YL)-ETHYLAMINE AKOS B006949 RARECHEM AN KA 1106 2-methyl-1H-indole-3-ethylamine 1H-Indole-2-Methyl-3-Ethanamine 2-Methyl-3-(2-aminoethyl)-1H-indole 2-Methyltryptamin 3-(2-Aminoethyl)-2-methyl-1H-indole 2-Methyl-1H-Indole-3-ethanaMine 1H-Indole-3-ethanaMine, 2-Methyl- 2-(2-methyl-1H-indol-3-yl)ethanamine(SALTDATA: 0.95oxalate) 2-Methyltryptamine> 2-Methylindole-3-ethylamine/High quality/Best price 2-(2-Methyl-1H-indol-3-yl)ethanamine, 95+% 2-Methyltryptamine, ≥ 98.0% 2-(2-METHYL-1H-INDOL-3-YL)ETHANAMINE 2731-06-8 3731-06-8 2731/6/8 2731-6-8 2730-06-8 Heterocycles Amines Aromatics Intermediates & Fine Chemicals Pharmaceuticals