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Heterocyclic building blocks

7-Hydroxyisatin

Also known as 7-Hydroxyindoline-2,3-dione, 7-Hydroxy-1H-indole-2,3-dione, 1H-Indole-2,3-dione,7-hydroxy-(9CI)

CAS 116569-07-4Formula C8H5NO3Molar mass 163.13 g/mol
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7-Hydroxyisatin chemical structure, C8H5NO3, CAS 116569-07-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
116569-07-4
Formula
C8H5NO3
Molar mass
163.13 g/mol
HS code
293379
Category
Heterocyclic building blocks

What is 7-Hydroxyisatin?

Plain description, key identifiers and synonyms

7-Hydroxyisatin is a chemical substance with the molecular formula C8H5NO3 and a molar mass of 163.13 g/mol. Its CAS registry number is 116569-07-4. The IUPAC name is 7-hydroxy-1H-indole-2,3-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
7-hydroxy-1H-indole-2,3-dione
CAS number
116569-07-4
Molecular formula
C8H5NO3
MDL number
MFCD17676664
InChIKey
LZRMULBVRCNCPX-UHFFFAOYSA-N
InChI
InChI=1S/C8H5NO3/c10-5-3-1-2-4-6(5)9-8(12)7(4)11/h1-3,10H,(H,9,11,12)
SMILES (canonical and isomeric)
C1=CC2=C(C(=C1)O)NC(=O)C2=O

Synonyms

  • 7-Hydroxyindoline-2,3-dione
  • 7-Hydroxy-1H-indole-2,3-dione
  • 1H-Indole-2,3-dione,7-hydroxy-(9CI)
  • 7-hydroxy-2,3-dihydro-1H-indole-2,3-dione
  • 1H-Indole-2,3-dione, 7-hydroxy-

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
163.13 g/molcalc.
Exact mass
163.0269 Dacalc.
LogP (octanol/water)
0.53calc.
Topological polar surface area
66.4 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
12calc.
Rings
2calc.
Aromatic rings
1calc.
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, O=C1Nc2ccccc2C1=O

O=C1Nc2ccccc2C1=O

2 rings, 11 atoms, the Isatin ring system.

802 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

7-Hydroxyisatin suppliers

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7-Hydroxyisatin 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 7-Hydroxyisatin is traded under.

HS 2933.79Indicative HS code

Lactams, other lactams

World exports in 2024
$16.2B
−64.4% vs 2023, imports $15.4B
2019 to 2024
Top exporters
  1. Ireland37.0%
  2. France * partner reported15.6%
  3. Spain11.3%
Top importers
  1. Germany27.8%
  2. Ireland18.9%
  3. Panama * partner reported12.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 7-Hydroxyisatin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 7-Hydroxyisatin, based on the data on this page

What is 7-Hydroxyisatin?

7-Hydroxyisatin is a chemical substance with the molecular formula C8H5NO3 and a molar mass of 163.13 g/mol. Its CAS registry number is 116569-07-4. The IUPAC name is 7-hydroxy-1H-indole-2,3-dione.

What is the CAS number of 7-Hydroxyisatin?

The CAS registry number of 7-Hydroxyisatin is 116569-07-4.

What is the molecular formula and weight of 7-Hydroxyisatin?

The molecular formula of 7-Hydroxyisatin is C8H5NO3 and its molar mass is 163.13 g/mol.

What is 7-Hydroxyisatin used for?

Known uses and roles of 7-Hydroxyisatin include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 7-Hydroxyisatin hazardous?

No GHS hazard classification for 7-Hydroxyisatin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 7-Hydroxyisatin?

7-Hydroxyisatin is usually classified under HS code 293379 (Lactams, other lactams). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 7-Hydroxyisatin?

Post a free request on CompoundList and suppliers of 7-Hydroxyisatin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 7-Hydroxyisatin?

Suppliers quote 7-Hydroxyisatin 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 7-Hydroxyisatin

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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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