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Screening compounds

EO 5A

Also known as EO 5A (metalobite), 3-Hydroxymethyl-5-beta-hydroxyethylamino-2-(1H-indole-4,7-dione)prop-beta-en-alpha-ol, 1H-Indole-4,7-dione, 5-((2-hydroxyethyl)amino)-3-(hydroxymethyl)-2-((1E)-3-hydroxy-1-propenyl)-1-methyl-

CAS 131610-90-7Formula C15H18N2O5Molar mass 306.32 g/mol
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EO 5A chemical structure, C15H18N2O5, CAS 131610-90-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
131610-90-7
Formula
C15H18N2O5
Molar mass
306.32 g/mol
HS code
293399
Category
Screening compounds

What is EO 5A?

Plain description, key identifiers and synonyms

EO 5A is a chemical substance with the molecular formula C15H18N2O5 and a molar mass of 306.32 g/mol. Its CAS registry number is 131610-90-7. The IUPAC name is 5-(2-hydroxyethylamino)-3-(hydroxymethyl)-2-[(E)-3-hydroxyprop-1-enyl]-1-methylindole-4,7-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-(2-hydroxyethylamino)-3-(hydroxymethyl)-2-[(E)-3-hydroxyprop-1-enyl]-1-methylindole-4,7-dione
CAS number
131610-90-7
Molecular formula
C15H18N2O5
InChIKey
CARMVIUSEAHWMX-NSCUHMNNSA-N
InChI
InChI=1S/C15H18N2O5/c1-17-11(3-2-5-18)9(8-20)13-14(17)12(21)7-10(15(13)22)16-4-6-19/h2-3,7,16,18-20H,4-6,8H2,1H3/b3-2+
Canonical SMILES
Cn1c(C=CCO)c(CO)c2c1C(=O)C=C(NCCO)C2=O
Isomeric SMILES
CN1C(=C(C2=C1C(=O)C=C(C2=O)NCCO)CO)/C=C/CO

Synonyms

  • EO 5A (metalobite)
  • 3-Hydroxymethyl-5-beta-hydroxyethylamino-2-(1H-indole-4,7-dione)prop-beta-en-alpha-ol
  • 1H-Indole-4,7-dione, 5-((2-hydroxyethyl)amino)-3-(hydroxymethyl)-2-((1E)-3-hydroxy-1-propenyl)-1-methyl-
  • 1H-Indole-4,7-dione, 5-((2-hydroxyethyl)amino)-3-(hydroxymethyl)-2-(3-hydroxy-1-propenyl)-1-methyl-, (E)-

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
306.32 g/molcalc.
Exact mass
306.1216 Dacalc.
LogP (octanol/water)
-0.63calc.
Topological polar surface area
111.8 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
6calc.
Heavy atoms
22calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
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=C1C=CC(=O)c2[nH]ccc21

O=C1C=CC(=O)c2[nH]ccc21

2 rings, 11 atoms, the Indole-4,7-dione ring system.

30 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.

EO 5A suppliers

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EO 5A 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 EO 5A is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

The HS code shown for EO 5A is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about EO 5A, based on the data on this page

What is EO 5A?

EO 5A is a chemical substance with the molecular formula C15H18N2O5 and a molar mass of 306.32 g/mol. Its CAS registry number is 131610-90-7. The IUPAC name is 5-(2-hydroxyethylamino)-3-(hydroxymethyl)-2-[(E)-3-hydroxyprop-1-enyl]-1-methylindole-4,7-dione.

What is the CAS number of EO 5A?

The CAS registry number of EO 5A is 131610-90-7.

What is the molecular formula and weight of EO 5A?

The molecular formula of EO 5A is C15H18N2O5 and its molar mass is 306.32 g/mol.

What is EO 5A used for?

Known uses and roles of EO 5A include building blocks in research and laboratory and screening compounds in research and laboratory.

Is EO 5A hazardous?

No GHS hazard classification for EO 5A 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 EO 5A?

EO 5A is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy EO 5A?

Post a free request on CompoundList and suppliers of EO 5A will send you quotes. Your contact details stay private until you accept a quote.

What is the price of EO 5A?

Suppliers quote EO 5A 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 EO 5A

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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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