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Isotope-labelled compounds

Indole-d7

Also known as 1,2,3,4,5,6,7-heptadeuterioindole, (?H?)-1H-indole, Indole-d7 Solution in Methanol, 100ug/mL

CAS 73509-20-3Formula C8H7NMolar mass 124.19 g/molEC 635-314-2
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Hazardous to the environment
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Indole-d7 chemical structure, C8H7N, CAS 73509-20-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
73509-20-3
Formula
C8H7N
Molar mass
124.19 g/mol
EC number
635-314-2
HS code
284590
Category
Isotope-labelled compounds

What is Indole-d7?

Plain description, key identifiers and synonyms

Indole-d7 is a chemical substance with the molecular formula C8H7N and a molar mass of 124.19 g/mol. Its CAS registry number is 73509-20-3. The IUPAC name is 1,2,3,4,5,6,7-heptadeuterioindole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,2,3,4,5,6,7-heptadeuterioindole
CAS number
73509-20-3
EC number
635-314-2
Molecular formula
C8H7N
InChIKey
SIKJAQJRHWYJAI-HOSXNMPPSA-N
InChI
InChI=1S/C8H7N/c1-2-4-8-7(3-1)5-6-9-8/h1-6,9H/i1D,2D,3D,4D,5D,6D/hD
Canonical SMILES
c1ccc2[nH]ccc2c1
Isomeric SMILES
[2H]C1=C(C(=C2C(=C1[2H])C(=C(N2[2H])[2H])[2H])[2H])[2H]

Synonyms

  • 1,2,3,4,5,6,7-heptadeuterioindole
  • (?H?)-1H-indole
  • Indole-d7 Solution in Methanol, 100ug/mL
  • Indole-d7, 98 atom % D, 98% (CP)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
124.19 g/molcalc.
Exact mass
124.1018 Dacalc.
LogP (octanol/water)
2.17calc.
Topological polar surface area
15.79 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2[nH]ccc2c1

c1ccc2[nH]ccc2c1

2 rings, 9 atoms, the Indole ring system.

25,097 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
  • H400Very toxic to aquatic life.
Precautionary statements (21)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Indole-d7 suppliers

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Indole-d7 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Indole-d7 is traded under.

HS 2845.90Indicative HS code

Compounds, inorganic or organic, of such isotopes, whether or not chemically defined

World exports in 2024
$2.67B
+19.0% vs 2023, imports $1.67B
2019 to 2024
Top exporters
  1. Ireland55.3%
  2. Hong Kong11.8%
  3. United States10.7%
Top importers
  1. China24.3%
  2. Ireland21.9%
  3. South Korea13.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Indole-d7 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Indole-d7, based on the data on this page

What is Indole-d7?

Indole-d7 is a chemical substance with the molecular formula C8H7N and a molar mass of 124.19 g/mol. Its CAS registry number is 73509-20-3. The IUPAC name is 1,2,3,4,5,6,7-heptadeuterioindole.

What is the CAS number of Indole-d7?

The CAS registry number of Indole-d7 is 73509-20-3.

What is the molecular formula and weight of Indole-d7?

The molecular formula of Indole-d7 is C8H7N and its molar mass is 124.19 g/mol.

What is Indole-d7 used for?

Known uses and roles of Indole-d7 include isotope-labelled compounds in research and laboratory.

Is Indole-d7 hazardous?

Indole-d7 carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Indole-d7?

Indole-d7 is usually classified under HS code 284590 (Isotopes other than those of heading 2844, compounds, inorganic or organic, of such…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Indole-d7?

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What is the price of Indole-d7?

Suppliers quote Indole-d7 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Indole-d7

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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