2,3-Dimethyl-1H-indole

Modify Date: 2026-07-04 04:55:24

2,3-Dimethyl-1H-indole structure	Common Name	2,3-Dimethyl-1H-indole
	CAS Number	91-55-4	Molecular Weight	145.201
	Density	1.1±0.1 g/cm3	Boiling Point	283.4±9.0 °C at 760 mmHg
	Molecular Formula	C₁₀H₁₁N	Melting Point	105-107 °C(lit.)
	MSDS	USA	Flash Point	120.8±11.3 °C

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name	2,3-Dimethylindole
Synonym	More Synonyms

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density	1.1±0.1 g/cm3
Boiling Point	283.4±9.0 °C at 760 mmHg
Melting Point	105-107 °C(lit.)
Molecular Formula	C₁₀H₁₁N
Molecular Weight	145.201
Flash Point	120.8±11.3 °C
Exact Mass	145.089142
PSA	15.79000
LogP	3.06
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.636
InChIKey	PYFVEIDRTLBMHG-UHFFFAOYSA-N
SMILES	Cc1[nH]c2ccccc2c1C

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

2,3-Dimethyl-1H-indole MSDS(Chinese)

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NL7185000

CHEMICAL NAME :: Indole, 2,3-dimethyl-

CAS REGISTRY NUMBER :: 91-55-4

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C10-H11-N

MOLECULAR WEIGHT :: 145.22

WISWESSER LINE NOTATION :: T56 BMJ C1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 3 umol/plate

REFERENCE :: TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 23,1,1982

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	NL7185000
HS Code	2933990090

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor 9
CAS#:85355-52-8 3-(2-nitropheny... CAS#:59-88-1 Phenylhydrazine... CAS#:78-93-3 2-Butanone CAS#:100-63-0 Phenylhydrazine
CAS#:22120-50-9 2,3-dimethylindoline CAS#:60249-96-9 1-but-2-en-2-yl... CAS#:431-03-8 butane-2,3-dione CAS#:513-85-9 (2R,3R)-(-)-2,3...
CAS#:6067-44-3 1-(2-Methyl-1-p...
DownStream 10
CAS#:38292-40-9 1,2-DIMETHYL-1H... CAS#:2826-91-7 (E)-2-methyl-3-... CAS#:24628-59-9 3,3'a,8'b-trime... CAS#:89-52-1 N-Acetylanthran...
CAS#:5257-24-9 1H-Indole-2-car... CAS#:68543-21-5 6a,12a-dimethyl... CAS#:41601-98-3 2,3-dimethylind... CAS#:24628-61-3 3-Hydroxy-2,3-d...
CAS#:5234-26-4 Acetanilide, 2-... CAS#:13177-23-6 3-hydroperoxy-2...

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

This table lists relevant public references with title, journal and publication metadata for this compound.

Unbiased high-throughput screening of reactive metabolites on the linear ion trap mass spectrometer using polarity switch and mass tag triggered data-dependent acquisition.

Anal. Chem. 80(16) , 6410-22, (2008)

Constant neutral loss (CNL) and precursor ion (PI) scan have been widely used for the in vitro screening of glutathione conjugates derived from reactive metabolites, but these two methods are only app...

Resolution of heterogeneous fluorescence from proteins and aromatic amino acids by phase-sensitive detection of fluorescence.

J. Biol. Chem. 256(12) , 6348-53, (1981)

Fluorescence quenching of anthracene by indole derivatives in phospholipid bilayers.

J. Photochem. Photobiol. B, Biol. 60(1) , 25-31, (2001)

The quenching of anthracene fluorescence by indole, 1,2-dimethylindole (DMI), tryptophan (Trp) and indole 3-acetic acid (IAA) in palmitoyloleoylphosphatidylcholine (POPC) lipid bilayers was investigat...

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Toxicity in histamine-induced guinea pig assessed as change in rate of beating in rig...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3256102

Name: Anticholinergic activity in mouse assessed as mydriasis at 100 mg/kg, po measured aft...
Source: ChEMBL
Target: Mus musculus
External Id: CHEMBL3256101

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262

Name: Chemical Probes of Kaposi's Sarcoma Herpes Virus Latent Infection
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: ORF 73 [Human herpesvirus 8 type M]
External Id: HMS791

Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979

Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750

Name: qHTS assay for inhibitors of human lactate dehydrogenase
Source: NCGC
Target: N/A
External Id: LDHA

Name: Antagonist activity at AhR (unknown origin)
Source: ChEMBL
Target: Aryl hydrocarbon receptor
External Id: CHEMBL5250030

Name: Primary qHTS Assay for Foot and Mouth Disease Virus Antivirals against NCGC Sytravon ...
Source: NCGC
External Id: stopgo-p2-SytraCBC-dual-FF

Name: High-throughput screen for inhibitors of the GIV GBA-motif interaction with Galpha-i ...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS1303

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This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00005707

2,3-Dimethylindole

EINECS 202-076-2

2,3-Dimethyl-1H-indole

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the melting point of 2,3-Dimethylindole?

A: Melting point of 2,3-Dimethylindole is 105-107 °C(lit.).

Q: What is the polar surface area (PSA) of 2,3-Dimethylindole?

A: Polar surface area (PSA) of 2,3-Dimethylindole is 15.79000.

Q: What are the upstream materials of 2,3-Dimethylindole?

A: Related upstream materials(CAS) of 2,3-Dimethylindole: 85355-52-8;59-88-1;78-93-3;100-63-0;22120-50-9;60249-96-9;431-03-8;513-85-9;6067-44-3.

Q: What is the safety information for 2,3-Dimethylindole?

A: Safety information for 2,3-Dimethylindole: S24/25.

Q: What is the molecular formula of 2,3-Dimethylindole?

A: Molecular formula of 2,3-Dimethylindole is C10H11N.

Q: What is the InChIKey of 2,3-Dimethylindole?

A: InChIKey of 2,3-Dimethylindole is PYFVEIDRTLBMHG-UHFFFAOYSA-N.

Q: What is the SMILES notation of 2,3-Dimethylindole?

A: SMILES notation of 2,3-Dimethylindole is Cc1[nH]c2ccccc2c1C.

Q: What is the LogP of 2,3-Dimethylindole?

A: LogP of 2,3-Dimethylindole is 3.06.

Q: What is the molecular weight of 2,3-Dimethylindole?

A: Molecular weight of 2,3-Dimethylindole is 145.201.

Q: What English synonyms does 2,3-Dimethylindole have?

A: English synonyms of 2,3-Dimethylindole: MFCD00005707, 2,3-Dimethylindole, EINECS 202-076-2, 2,3-Dimethyl-1H-indole.

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd

Dayang Chem (Hangzhou) Co., Ltd.

Zhongshan Xingrui Chemical Co. , Ltd.

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,3-Dimethyl-1H-indole
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,3-Dimethylindole
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 2,3-Dimethyl-1H-indole
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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2,3-Dimethyl-1H-indole

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MSDS

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

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