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Heterocyclic building blocks

Pipradrol

Also known as Pipralon, Piridrol, Pyridrol

CAS 467-60-7Formula C18H21NOMolar mass 267.37 g/molEC 207-394-5
Prohibited, not for trade
Why it is not for trade
Pipradrol chemical structure, C18H21NO, CAS 467-60-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
467-60-7
Formula
C18H21NO
Appearance
Crystals from hexane
Melting point
97.5 °C
HS code
293333
Category
Heterocyclic building blocks

What is Pipradrol?

Plain description, key identifiers and synonyms

Pipradrol is a diarylmethane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diphenyl(piperidin-2-yl)methanol
CAS number
467-60-7 CAS number cross-checked
EC number
207-394-5
Molecular formula
C18H21NO
UNII
S6I030E0DA
InChIKey
XSWHNYGMWWVAIE-UHFFFAOYSA-N
InChI
InChI=1S/C18H21NO/c20-18(15-9-3-1-4-10-15,16-11-5-2-6-12-16)17-13-7-8-14-19-17/h1-6,9-12,17,19-20H,7-8,13-14H2
SMILES (canonical and isomeric)
C1CCNC(C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)O

Synonyms

  • Pipralon
  • Piridrol
  • Pyridrol
  • Pyridrole
  • Pipradol
  • alpha-Pipradol
  • Gerodyl
  • Pipradrolum
  • diphenyl(piperidin-2-yl)methanol
  • Pipradrolo
  • alpha-(2-Piperidyl)benzhydrol
  • alpha,alpha-Diphenyl-2-piperidinemethanol
  • alpha,alpha-Diphenyl-alpha-(2-piperidyl)methanol
  • 2-PIPERIDINEMETHANOL, alpha,alpha-DIPHENYL-
  • MRD 108
  • DEA No. 1750
  • Alertol
  • Gerodil (Salt/Mix)
  • Meratran (Salt/Mix)
  • Leptidrol (Salt/Mix)
  • 5-21-04-00070 (Beilstein Handbook Reference)
  • alpha-(2-Piperidyl)-benzohydrol
  • Diphenyl(2-piperidinyl)methanol #
  • alpha-(2-piperidyl)benzhydryl alcohol
  • (+/-)-alpha,alpha-diphenyl-alpha-(2-piperidinyl)methanol

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

Appearance
Crystals from hexaneexp.
Melting point
97.5 °Cexp.

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
267.37 g/molcalc.
Exact mass
267.1623 Dacalc.
LogP (octanol/water)
3.06calc.
Topological polar surface area
32.26 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
20calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
1calc.
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(C(c2ccccc2)C2CCCCN2)cc1

c1ccc(C(c2ccccc2)C2CCCCN2)cc1

3 rings, 19 atoms, the 2-Diphenylmethylpiperidine ring system.

34 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.

Pipradrol suppliers

Trading restrictions apply to this substance

Narcotic drug

Pipradrol is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Listing and enquiries are not allowed for this substance.

Reference: UN Single Convention on Narcotic Drugs 1961, HS 2022 subheading 2933.33 (fentanyls and related analgesics)

Our policy on controlled substances

Pipradrol price

Indicative price range per kg from live supplier offers

Prices are not shown for prohibited substances.

Uses and applications

What the substance is used for, by industry and function

Pipradrol is a Schedule IV controlled substance.

Schedule IV Controlled Substance: (A) The drug or other substance has a low potential for abuse relative to the drugs or other substances in schedule III, (B) The drug or other substance has a currently accepted medical use in treatment in the United States, and (C) Abuse of the drug or other substance may lead to limited physical dependence or psychological dependence relative to the drugs or other substances in schedule III.

Use classes: Pharmaceuticals.

How it is made

Prepared by hydrogenation of alpha,alpha-diphenyl-2-pyridinemethanol.

Regulatory status

Inventories, regulations and trade controls that list this substance

Narcotic drug

Pipradrol is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Listing and enquiries are not allowed for this substance.

Reference: UN Single Convention on Narcotic Drugs 1961, HS 2022 subheading 2933.33 (fentanyls and related analgesics)

Our policy on controlled substances

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Pipradrol (INN) and its salts, Ref no: 285, Annex ref: II/285

Controls

  • US DEA controlled substance or listed chemical
  • Controlled narcotic drug

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pipradrol is traded under.

HS 2933.33Exact HS code

Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil…

World exports in 2024
$83.8M
+13.4% vs 2023, imports $95.2M
2019 to 2024
Top exporters
  1. Switzerland * partner reported31.1%
  2. United States17.5%
  3. India * partner reported16.0%
Top importers
  1. Germany27.9%
  2. Spain12.8%
  3. Brazil9.4%

* Partner reported figures, a lower bound.

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

The HS code shown for Pipradrol is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Pipradrol?

Pipradrol is a diarylmethane.

What is the CAS number of Pipradrol?

The CAS registry number of Pipradrol is 467-60-7.

What is the molecular formula and weight of Pipradrol?

The molecular formula of Pipradrol is C18H21NO and its molar mass is 267.37 g/mol.

What is Pipradrol used for?

Pipradrol is a Schedule IV controlled substance. Schedule IV Controlled Substance: (A) The drug or other substance has a low potential for abuse relative to the drugs or other substances in schedule III, (B) The drug or other substance has a currently accepted medical use in treatment in the United States, and (C) Abu…

Is Pipradrol hazardous?

No GHS hazard classification for Pipradrol 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 Pipradrol?

Pipradrol is usually classified under HS code 293333 (Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil…). This is indicative, confirm it with your customs broker before shipping.

Can I buy Pipradrol on CompoundList?

No. Pipradrol is on our prohibited list, so listings, quotes and messages for it are disabled. This page is kept for information only.

Guides for buyers

Practical guides that help when you source, ship or handle Pipradrol

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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