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Screening compounds

Naltrexazone

Also known as Naltrexone hydrazone

CAS 73674-86-9Formula C20H25N3O3Molar mass 355.44 g/mol
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Naltrexazone chemical structure, C20H25N3O3, CAS 73674-86-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
73674-86-9
Formula
C20H25N3O3
Molar mass
355.44 g/mol
HS code
293499
Category
Screening compounds

What is Naltrexazone?

Plain description, key identifiers and synonyms

Naltrexazone is a chemical substance with the molecular formula C20H25N3O3 and a molar mass of 355.44 g/mol. Its CAS registry number is 73674-86-9. The IUPAC name is (4R,4aS,7Z,7aR,12bS)-3-(cyclopropylmethyl)-7-hydrazinylidene-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(4R,4aS,7Z,7aR,12bS)-3-(cyclopropylmethyl)-7-hydrazinylidene-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol
CAS number
73674-86-9
Molecular formula
C20H25N3O3
InChIKey
RCNYWXCENWWKDS-QBRBTLGVSA-N
InChI
InChI=1S/C20H25N3O3/c21-22-13-5-6-20(25)15-9-12-3-4-14(24)17-16(12)19(20,18(13)26-17)7-8-23(15)10-11-1-2-11/h3-4,11,15,18,24-25H,1-2,5-10,21H2/b22-13-/t15-,18+,19+,20-/m1/s1
Canonical SMILES
NN=C1CCC2(O)C3Cc4ccc(O)c5c4C2(CCN3CC2CC2)C1O5
Isomeric SMILES
C1CC1CN2CC[C@]34[C@@H]5/C(=N\N)/CC[C@]3([C@H]2CC6=C4C(=C(C=C6)O)O5)O

Synonyms

  • Naltrexone hydrazone

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
355.44 g/molcalc.
Exact mass
355.1896 Dacalc.
LogP (octanol/water)
1.27calc.
Topological polar surface area
91.31 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
2calc.
Heavy atoms
26calc.
Rings
6calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.65calc.
Formal charge
0calc.
Stereocentres
4calc.
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, N=C1CCC2C3Cc4cccc5c4C2(CCN3CC2CC2)C1O5

N=C1CCC2C3Cc4cccc5c4C2(CCN3CC2CC2)C1O5

6 rings, 23 atoms.

No other chemical in our database has 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.

Naltrexazone suppliers

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Naltrexazone 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 Naltrexazone is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Naltrexazone?

Naltrexazone is a chemical substance with the molecular formula C20H25N3O3 and a molar mass of 355.44 g/mol. Its CAS registry number is 73674-86-9. The IUPAC name is (4R,4aS,7Z,7aR,12bS)-3-(cyclopropylmethyl)-7-hydrazinylidene-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol.

What is the CAS number of Naltrexazone?

The CAS registry number of Naltrexazone is 73674-86-9.

What is the molecular formula and weight of Naltrexazone?

The molecular formula of Naltrexazone is C20H25N3O3 and its molar mass is 355.44 g/mol.

What is Naltrexazone used for?

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

Is Naltrexazone hazardous?

No GHS hazard classification for Naltrexazone 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 Naltrexazone?

Naltrexazone is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Naltrexazone?

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

What is the price of Naltrexazone?

Suppliers quote Naltrexazone 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 Naltrexazone

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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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