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Screening compounds

Palaudine

Also known as 3'-Hydroxypapaverine, 5-[(6,7-dimethoxyisoquinolin-1-yl)methyl]-2-methoxyphenol, 5-((6,7-dimethoxyisoquinolin-1-yl)methyl)-2-methoxyphenol

CAS 18694-10-5Formula C19H19NO4Molar mass 325.36 g/mol
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Palaudine chemical structure, C19H19NO4, CAS 18694-10-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
18694-10-5
Formula
C19H19NO4
Molar mass
325.36 g/mol
HS code
293349
Category
Screening compounds

What is Palaudine?

Plain description, key identifiers and synonyms

Palaudine is a member of isoquinolines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-[(6,7-dimethoxyisoquinolin-1-yl)methyl]-2-methoxyphenol
CAS number
18694-10-5 CAS number cross-checked
Molecular formula
C19H19NO4
UNII
8KAR892C5T
InChIKey
MTJSWIPYMFUEPW-UHFFFAOYSA-N
InChI
InChI=1S/C19H19NO4/c1-22-17-5-4-12(9-16(17)21)8-15-14-11-19(24-3)18(23-2)10-13(14)6-7-20-15/h4-7,9-11,21H,8H2,1-3H3
SMILES (canonical and isomeric)
COC1=C(C=C(C=C1)CC2=NC=CC3=CC(=C(C=C32)OC)OC)O

Synonyms

  • 3'-Hydroxypapaverine
  • 5-[(6,7-dimethoxyisoquinolin-1-yl)methyl]-2-methoxyphenol
  • 5-((6,7-dimethoxyisoquinolin-1-yl)methyl)-2-methoxyphenol
  • Phenol, 5-((6,7-dimethoxy-1-isoquinolinyl)methyl)-2-methoxy-
  • Phenol, 5-[(6,7-dimethoxy-1-isoquinolinyl)methyl]-2-methoxy-
  • 3-Demethyl Papaverine
  • 1-(3-Hydroxy-4-methoxybenzyl)-6,7-dimethoxyisoquinoline
  • 5-[(6,7-Dimethoxy-1-isoquinolinyl)methyl]-2-methoxyphenol
  • 5-((6,7-Dimethoxyisoquinolin-1-yl)methyl)-2-methoxy-phenol

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
325.36 g/molcalc.
Exact mass
325.1314 Dacalc.
LogP (octanol/water)
3.56calc.
Topological polar surface area
60.81 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
5calc.
Heavy atoms
24calc.
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, c1ccc(Cc2nccc3ccccc23)cc1

c1ccc(Cc2nccc3ccccc23)cc1

3 rings, 17 atoms, the 1-Benzylisoquinoline ring system.

133 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.

Palaudine suppliers

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Palaudine 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 Palaudine is traded under.

HS 2933.49Indicative HS code

Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…

World exports in 2024
$939M
−14.6% vs 2023, imports $1.48B
2019 to 2024
Top exporters
  1. China30.1%
  2. India * partner reported16.7%
  3. Switzerland * partner reported14.1%
Top importers
  1. United Kingdom19.2%
  2. Germany16.0%
  3. Romania8.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Palaudine, based on the data on this page

What is Palaudine?

Palaudine is a member of isoquinolines.

What is the CAS number of Palaudine?

The CAS registry number of Palaudine is 18694-10-5.

What is the molecular formula and weight of Palaudine?

The molecular formula of Palaudine is C19H19NO4 and its molar mass is 325.36 g/mol.

What is Palaudine used for?

Known uses and roles of Palaudine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Palaudine hazardous?

No GHS hazard classification for Palaudine 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 Palaudine?

Palaudine is usually classified under HS code 293349 (Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Palaudine?

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What is the price of Palaudine?

Suppliers quote Palaudine 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 Palaudine

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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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