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Screening compounds

Brassinazole

Also known as 4-(4-chlorophenyl)-2-phenyl-3-(1H-1,2,4-triazol-1-yl)butan-2-ol, 1H-1,2,4-Triazole-1-ethanol, beta-((4-chlorophenyl)methyl)-alpha-methyl-alpha-phenyl-, (Rac)-Brassinazole

CAS 224047-41-0Formula C18H18ClN3OMolar mass 327.82 g/molEC 678-200-8
GHS signal word: Warning. Pictograms: Harmful or irritant 2 suppliers listed
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Brassinazole chemical structure, C18H18ClN3O, CAS 224047-41-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
224047-41-0
Formula
C18H18ClN3O
Molar mass
327.82 g/mol
EC number
678-200-8
HS code
293399
Category
Screening compounds

What is Brassinazole?

Plain description, key identifiers and synonyms

Brassinazole is a member of the class of triazoles that is butan-2-ol which is substituted at positions 2, 3, and 4 by phenyl, 1H-1,2,4-triazol-1-yl and p-chlorophenyl groups, respectively. An inhibitor of brassinosteroid biosynthesis. It has a role as a brassinosteroid biosynthesis inhibitor. It is a tertiary alcohol, a member of triazoles and a member of monochlorobenzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(4-chlorophenyl)-2-phenyl-3-(1,2,4-triazol-1-yl)butan-2-ol
CAS number
224047-41-0 CAS number cross-checked
EC number
678-200-8
Molecular formula
C18H18ClN3O
UNII
N9XRW3TF90
MDL number
MFCD08276319
InChIKey
YULDTPKHZNKFEY-UHFFFAOYSA-N
InChI
InChI=1S/C18H18ClN3O/c1-18(23,15-5-3-2-4-6-15)17(22-13-20-12-21-22)11-14-7-9-16(19)10-8-14/h2-10,12-13,17,23H,11H2,1H3
SMILES (canonical and isomeric)
CC(C1=CC=CC=C1)(C(CC2=CC=C(C=C2)Cl)N3C=NC=N3)O

Synonyms

  • 4-(4-chlorophenyl)-2-phenyl-3-(1H-1,2,4-triazol-1-yl)butan-2-ol
  • 1H-1,2,4-Triazole-1-ethanol, beta-((4-chlorophenyl)methyl)-alpha-methyl-alpha-phenyl-
  • (Rac)-Brassinazole
  • 1-[2-(4-Chlorophenyl)-1-(1-hydroxy-1-phenylethyl)ethyl]-1,2,4-triazole
  • 4-(4-chlorophenyl)-2-phenyl-3-(1,2,4-triazol-1-yl)butan-2-ol
  • BRZ
  • Brassinazole, >=98% (HPLC)
  • Brassinazole?
  • 4-(4-Chloro-phenyl)-2-phenyl-3-[1,2,4]triazol-1-yl-butan-2-ol
  • 3-(4-Chlorophenyl)-1-methyl-1-phenyl-2-(1,2,4-triazol-1-yl)-1-propanol

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
327.82 g/molcalc.
Exact mass
327.1138 Dacalc.
LogP (octanol/water)
3.62calc.
Topological polar surface area
50.94 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
5calc.
Heavy atoms
23calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
2calc.
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(CC(Cc2ccccc2)n2cncn2)cc1

c1ccc(CC(Cc2ccccc2)n2cncn2)cc1

3 rings, 20 atoms.

2 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Brassinazole suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Brassinazole price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Roles

  • brassinosteroid biosynthesis inhibitor

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 Brassinazole 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 Brassinazole is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Brassinazole?

Brassinazole is a member of the class of triazoles that is butan-2-ol which is substituted at positions 2, 3, and 4 by phenyl, 1H-1,2,4-triazol-1-yl and p-chlorophenyl groups, respectively. An inhibitor of brassinosteroid biosynthesis. It has a role as a brassinosteroid biosynthesis inhibitor.

What is the CAS number of Brassinazole?

The CAS registry number of Brassinazole is 224047-41-0.

What is the molecular formula and weight of Brassinazole?

The molecular formula of Brassinazole is C18H18ClN3O and its molar mass is 327.82 g/mol.

What is Brassinazole used for?

Known uses and roles of Brassinazole include building blocks in research and laboratory, screening compounds in research and laboratory and brassinosteroid biosynthesis inhibitor.

Is Brassinazole hazardous?

Brassinazole carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Brassinazole?

Brassinazole 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 Brassinazole?

CompoundList lists 2 suppliers of Brassinazole in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Brassinazole?

Suppliers quote Brassinazole 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 Brassinazole

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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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