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Screening compounds

(-)-trans-Permethrin

Also known as 1S-trans-Permethrin, Permethrin, (-)-trans-, 1S,trans-permethrin

CAS 54774-47-9Formula C21H20Cl2O3Molar mass 391.29 g/mol
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(-)-trans-Permethrin chemical structure, C21H20Cl2O3, CAS 54774-47-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
54774-47-9
Formula
C21H20Cl2O3
Molar mass
391.29 g/mol
HS code
291620
Category
Screening compounds

What is (-)-trans-Permethrin?

Plain description, key identifiers and synonyms

(-)-trans-permethrin is trans-Permethrin with configuration 1S,3R.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cis-(3-phenoxyphenyl)methyl (1S,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
CAS number
54774-47-9 CAS number cross-checkedOther or deprecated CAS: 61949-77-7
Molecular formula
C21H20Cl2O3
UNII
WTX0TDW4JB
InChIKey
RLLPVAHGXHCWKJ-PKOBYXMFSA-N
InChI
InChI=1S/C21H20Cl2O3/c1-21(2)17(12-18(22)23)19(21)20(24)25-13-14-7-6-10-16(11-14)26-15-8-4-3-5-9-15/h3-12,17,19H,13H2,1-2H3/t17-,19+/m0/s1
Canonical SMILES
CC1(C)C(C=C(Cl)Cl)C1C(=O)OCc1cccc(Oc2ccccc2)c1
Isomeric SMILES
CC1([C@H]([C@@H]1C(=O)OCC2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C

Synonyms

  • 1S-trans-Permethrin
  • Permethrin, (-)-trans-
  • 1S,trans-permethrin
  • Permethrin, trans-(-)-
  • 3-phenoxybenzyl (1S,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
  • Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, (1S,3R)
  • Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, (1S,3R)-
  • (3-phenoxyphenyl)methyl (1S,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
  • Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, (1S-trans)-
  • Permethrin trans
  • trans-(-)-permethrin
  • (-)-trans-NRDC-143
  • 3-Phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate #
  • (3-Phenoxyphenyl)methyl (1S,3R)-3-(2,2-dichloroethen-1-yl)-2,2-dimethylcyclopropane-1-carboxylate
  • rac-(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate

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
391.29 g/molcalc.
Exact mass
390.079 Dacalc.
LogP (octanol/water)
6.11calc.
Topological polar surface area
35.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
6calc.
Heavy atoms
26calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.29calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (1 violation)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, O=C(OCc1cccc(Oc2ccccc2)c1)C1CC1

O=C(OCc1cccc(Oc2ccccc2)c1)C1CC1

3 rings, 20 atoms.

165 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.

(-)-trans-Permethrin suppliers

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(-)-trans-Permethrin 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 (-)-trans-Permethrin is traded under.

HS 2916.20Indicative HS code

Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides…

World exports in 2024
$489M
−6.1% vs 2023, imports $608M
2019 to 2024
Top exporters
  1. China45.5%
  2. India * partner reported18.6%
  3. Japan11.2%
Top importers
  1. Brazil20.3%
  2. United States15.7%
  3. India * partner reported12.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about (-)-trans-Permethrin, based on the data on this page

What is (-)-trans-Permethrin?

(-)-trans-permethrin is trans-Permethrin with configuration 1S,3R.

What is the CAS number of (-)-trans-Permethrin?

The CAS registry number of (-)-trans-Permethrin is 54774-47-9. Other or deprecated CAS numbers: 61949-77-7.

What is the molecular formula and weight of (-)-trans-Permethrin?

The molecular formula of (-)-trans-Permethrin is C21H20Cl2O3 and its molar mass is 391.29 g/mol.

What is (-)-trans-Permethrin used for?

Known uses and roles of (-)-trans-Permethrin include building blocks in research and laboratory and screening compounds in research and laboratory.

Is (-)-trans-Permethrin hazardous?

No GHS hazard classification for (-)-trans-Permethrin 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 (-)-trans-Permethrin?

(-)-trans-Permethrin is usually classified under HS code 291620 (Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (-)-trans-Permethrin?

Post a free request on CompoundList and suppliers of (-)-trans-Permethrin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of (-)-trans-Permethrin?

Suppliers quote (-)-trans-Permethrin 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 (-)-trans-Permethrin

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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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