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Impurities and reference standards

Dronedarone impurity 83

CAS 856758-05-9Formula C19H17NO5Molar mass 339.35 g/mol
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Dronedarone impurity 83 chemical structure, C19H17NO5, CAS 856758-05-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
856758-05-9
Formula
C19H17NO5
Molar mass
339.35 g/mol
HS code
293299
Category
Impurities and reference standards

What is Dronedarone impurity 83?

Plain description, key identifiers and synonyms

Dronedarone impurity 83 is a chemical substance with the molecular formula C19H17NO5 and a molar mass of 339.35 g/mol. Its CAS registry number is 856758-05-9. The IUPAC name is (2-butyl-5-nitro-1-benzofuran-3-yl)-(2-hydroxyphenyl)methanone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2-butyl-5-nitro-1-benzofuran-3-yl)-(2-hydroxyphenyl)methanone
CAS number
856758-05-9
Molecular formula
C19H17NO5
InChIKey
FZOSNJRKFPXEQU-UHFFFAOYSA-N
InChI
InChI=1S/C19H17NO5/c1-2-3-8-17-18(19(22)13-6-4-5-7-15(13)21)14-11-12(20(23)24)9-10-16(14)25-17/h4-7,9-11,21H,2-3,8H2,1H3
SMILES (canonical and isomeric)
CCCCC1=C(C2=C(O1)C=CC(=C2)[N+](=O)[O-])C(=O)C3=CC=CC=C3O

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
339.35 g/molcalc.
Exact mass
339.1107 Dacalc.
LogP (octanol/water)
4.62calc.
Topological polar surface area
93.58 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
25calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.21calc.
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=C(c1ccccc1)c1coc2ccccc12

O=C(c1ccccc1)c1coc2ccccc12

3 rings, 17 atoms.

225 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.

Dronedarone impurity 83 suppliers

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Dronedarone impurity 83 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Dronedarone impurity 83 is traded under.

HS 2932.99Indicative HS code

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

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

The HS code shown for Dronedarone impurity 83 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dronedarone impurity 83, based on the data on this page

What is Dronedarone impurity 83?

Dronedarone impurity 83 is a chemical substance with the molecular formula C19H17NO5 and a molar mass of 339.35 g/mol. Its CAS registry number is 856758-05-9. The IUPAC name is (2-butyl-5-nitro-1-benzofuran-3-yl)-(2-hydroxyphenyl)methanone.

What is the CAS number of Dronedarone impurity 83?

The CAS registry number of Dronedarone impurity 83 is 856758-05-9.

What is the molecular formula and weight of Dronedarone impurity 83?

The molecular formula of Dronedarone impurity 83 is C19H17NO5 and its molar mass is 339.35 g/mol.

Is Dronedarone impurity 83 hazardous?

No GHS hazard classification for Dronedarone impurity 83 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 Dronedarone impurity 83?

Dronedarone impurity 83 is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dronedarone impurity 83?

Post a free request on CompoundList and suppliers of Dronedarone impurity 83 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Dronedarone impurity 83?

Suppliers quote Dronedarone impurity 83 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 Dronedarone impurity 83

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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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