CompoundList
Sign in
Aromatic building blocks

Buturon

Also known as Eptapur, 3-(p-Chlorophenyl)-1-methyl-1-(1-methyl-2-propynyl)urea, N'-(4-Chlorophenyl)-N-methyl-N-(1-methyl-2-propynyl)urea

CAS 3766-60-7Formula C12H13ClN2OMolar mass 236.70 g/molEC 223-187-2
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant
Get quotes Safety data
Buturon chemical structure, C12H13ClN2O, CAS 3766-60-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3766-60-7
Formula
C12H13ClN2O
Molar mass
236.70 g/mol
EC number
223-187-2
HS code
292421
Category
Aromatic building blocks

What is Buturon?

Plain description, key identifiers and synonyms

Buturon is a member of ureas.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-but-3-yn-2-yl-3-(4-chlorophenyl)-1-methylurea
CAS number
3766-60-7 CAS number cross-checked
EC number
223-187-2
Molecular formula
C12H13ClN2O
UNII
1961BJU91F
MDL number
MFCD00055265
InChIKey
BYYMILHAKOURNM-UHFFFAOYSA-N
InChI
InChI=1S/C12H13ClN2O/c1-4-9(2)15(3)12(16)14-11-7-5-10(13)6-8-11/h1,5-9H,2-3H3,(H,14,16)
SMILES (canonical and isomeric)
CC(C#C)N(C)C(=O)NC1=CC=C(C=C1)Cl

Synonyms

  • Eptapur
  • 3-(p-Chlorophenyl)-1-methyl-1-(1-methyl-2-propynyl)urea
  • N'-(4-Chlorophenyl)-N-methyl-N-(1-methyl-2-propynyl)urea
  • Butyron
  • Arisan
  • HS 95
  • 3-(4-Chlorophenyl)-1-methyl-1-(1-methylprop-2-ynyl)urea
  • N'-(4-Chlorophenyl)-N-isobutinyl-N-methylurea
  • 1-but-3-yn-2-yl-3-(4-chlorophenyl)-1-methylurea
  • 1-(4-Chlorophenyl)-3-methyl-3-(1-methyl-2-propynyl)urea
  • N'-(4-Chlorophenyl)-N-methyl-N-(1-methyl-2-propynyl)-urea
  • Urea, 3-(p-chlorophenyl)-1-methyl-1-(1-methyl-2-propynyl)-
  • 3-(4-Chlorphenyl)-1-methyl-1-isobutinylharnstoff
  • N-(4-Chlorphenyl)-N'-methyl-N'-isobutinylharnstoff
  • Eptapur, H 95, H 951, HS 95
  • Urea, N'-(4-chlorophenyl)-N-methyl-N-(1-methyl-2-propynyl)-
  • Urea, N'-(4-chlorophenyl)-N-methyl-N-(1-methyl-2-propyn-1-yl)-
  • 3-(but-3-yn-2-yl)-1-(4-chlorophenyl)-3-methylurea
  • Buturon 100 |Ig/mL in Methanol
  • Buturon, PESTANAL(R), analytical standard
  • N-(But-3-yn-2-yl)-N'-(4-chlorophenyl)-N-methylurea

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
236.70 g/molcalc.
Exact mass
236.0716 Dacalc.
LogP (octanol/water)
2.83calc.
Topological polar surface area
32.34 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
16calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H311Toxic in contact with skin.
Precautionary statements (12)
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Buturon suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Buturon can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Buturon price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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 Buturon is traded under.

HS 2924.21Indicative HS code

Ureines and their derivatives, salts thereof

World exports in 2024
$149M
+12.5% vs 2023, imports $208M
2019 to 2024
Top exporters
  1. Germany25.4%
  2. China14.4%
  3. Israel12.0%
Top importers
  1. Brazil28.2%
  2. United States14.0%
  3. Japan10.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Buturon?

Buturon is a member of ureas.

What is the CAS number of Buturon?

The CAS registry number of Buturon is 3766-60-7.

What is the molecular formula and weight of Buturon?

The molecular formula of Buturon is C12H13ClN2O and its molar mass is 236.70 g/mol.

What is Buturon used for?

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

Is Buturon hazardous?

Buturon carries the GHS signal word "Danger". Main hazards: harmful if swallowed, toxic in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Buturon?

Buturon is usually classified under HS code 292421 (Ureines and their derivatives, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Buturon?

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

What is the price of Buturon?

Suppliers quote Buturon 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 Buturon

Get quotes for Buturon

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Buturon
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Buturon with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/buturon-3766-60-7" title="Buturon structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aromatic building blocks or HS code 292421

Price on request
Free quotes, contact stays private
Get quotes