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Lactofen

PESTANAL®, analytical standard

Synonym(s):

2-Ethoxy-1-methyl-2-oxoethyl 5-(2-chloro-4-trifluoromethylphenoxy)-2-nitrobenzoate, Ethyl O-[5-(2-chloro-α,α,α-trifluoro-p-tolyloxy)-2-nitrobenzoyl]-DL-lactate

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About This Item

Empirical Formula (Hill Notation):
C19H15ClF3NO7
CAS Number:
77501-63-4
Molecular Weight:
461.77
MDL number:
MFCD01632761
UNSPSC Code:
41116107
PubChem Substance ID:
329754415
NACRES:
NA.24

grade

analytical standard

Quality Level

100

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

agriculture
environmental

format

neat

SMILES string

CCOC(=O)C(C)OC(=O)c1cc(Oc2ccc(cc2Cl)C(F)(F)F)ccc1[N+]([O-])=O

InChI

1S/C19H15ClF3NO7/c1-3-29-17(25)10(2)30-18(26)13-9-12(5-6-15(13)24(27)28)31-16-7-4-11(8-14(16)20)19(21,22)23/h4-10H,3H2,1-2H3

InChI key

CONWAEURSVPLRM-UHFFFAOYSA-N

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General description

Lactofen is a broad-spectrum post-emergent herbicide. It acts by inhibiting protoporphyrinogen oxidase by causing lipid peroxidation of the cell membrane.

Application

Lactofen may be used as an analytical reference standard for the determination of the analyte in:
  • Environmental samples by high performance liquid chromatography (HPLC) coupled to tandem mass spectrometric detector (MS/MS), ultraviolet (UV) detector and circular dichroism (CD) detector.
  • Fruit and wheat flour matrices by on-line turbulent flow chromatography (TFC) combined with LC-MS/MS.
  • Agricultural products using gas chromatography coupled to flame photometric detector (GC-FPD).

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Aquatic Chronic 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH7472
BCCC4287
BCBT9811
SZBE133XV
SZBC143XV

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Bo Liang et al.
Journal of agricultural and food chemistry, 58(17), 9711-9715 (2010-08-18)
The diphenyl ether herbicide lactofen is commonly used to control broadleaf weeds. Once released into the environment, this herbicide is subject to microbial reactions. This study describes the biotransformation of lactofen by Brevundimonas sp. LY-2 isolated from enrichment cultures inoculated
Fang Wang et al.
Ecotoxicology and environmental safety, 143, 186-192 (2017-05-28)
Pesticides are frequently detected in water bodies due to the agricultural application, which may pose impacts on aquatic organisms. The enantioselective bioaccumulation and metabolism of the herbicide lactofen in aquatic floating macrophyte Lemna minor (L. minor) were studied and the
Jinling Diao et al.
Journal of agricultural and food chemistry, 57(13), 5865-5871 (2009-06-11)
A scheme was developed to elucidate the dissipation behaviors of the two enantiomers of the herbicide lactofen in soils using a normal-phase high-performance liquid chromatograph (HPLC) with UV detector and a column with a cellulose-tri-(3,5-dimethylphenylcarbamate)-based chiral stationary phase (CDMPC-CSP). Eight
Jing Zhang et al.
Microbial cell factories, 16(1), 112-112 (2017-06-21)
Lactofen, a member of the diphenylether herbicides, has high activity and is commonly used to control broadleaf weeds. As a post-emergent herbicide, it is directly released to the environment, and easily caused the pollution. This herbicide is degraded in soil
Enantiomeric resolution of chiral pesticides by high-performance liquid chromatography.
Wang P, et al.
Journal of Agricultural and Food Chemistry, 54(5), 1577-1583 (2006)
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