Cas no 65731-84-2 ((1R,2R,1'S)-Cypermethrin)

(1R,2R,1'S)-Cypermethrin is a stereoisomer of the synthetic pyrethroid insecticide cypermethrin, characterized by its high insecticidal activity and selective toxicity. This isomer exhibits enhanced efficacy against a broad spectrum of pests, including Lepidoptera, Diptera, and Coleoptera, while maintaining favorable environmental stability. Its mode of action involves disrupting voltage-gated sodium channels in insect neurons, leading to rapid knockdown and mortality. The (1R,2R,1'S) configuration contributes to improved target specificity and reduced mammalian toxicity compared to racemic mixtures. This compound is particularly valued in agricultural and public health applications due to its residual activity and low application rates. Formulations containing this isomer often demonstrate optimized performance in resistance management programs.
(1R,2R,1'S)-Cypermethrin structure
(1R,2R,1'S)-Cypermethrin structure
Product Name:(1R,2R,1'S)-Cypermethrin
CAS No:65731-84-2
MF:C22H19Cl2NO3
MW:416.297164201736
CID:58379
PubChem ID:93357
Update Time:2025-11-06

(1R,2R,1'S)-Cypermethrin Chemical and Physical Properties

Names and Identifiers

    • Cypermethrin, High Effect
    • Cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
    • beta-Cypermethrin
    • beta-Cypermethrin Solution
    • alphamethrin
    • beta-Cypermethrin100μg
    • Blausaeure
    • carbonitrile
    • Cyanwasserstoff
    • Evercyn
    • Formic anammonide
    • hydrocyanic acid
    • hydrogen cyanide
    • methylnitrile
    • prussic acid
    • Zaclondiscoids
    • Zyklon B
    • Cyano-3-phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
    • 高效氯氰菊酯原藥殺蟲(chóng)劑生產(chǎn)廠(chǎng)家行情價(jià)格
    • (1R,2R,1'S)-Cypermethrin
    • NRDC-168S
    • RACEMATE COMPRISING (S)-.ALPHA.-CYANO-3-PHENOXYBENZYL (1R,3R)-3-(2,2-DICHLOROVINYL)-2,2-DIMETHYLCYCLOPROPANE CARBOXYLATE AND (R)-.ALPHA.-CYANO-3-PHENOXYBENZYL (1S,3S)-3-(2,2-DICHLOROVINYL)-2,2-DIMETHYLCYCLOPROPANE CARBOXYLATE
    • CYCLOPROPANECARBOXYLIC ACID, 3-(2,2-DICHLOROETHENYL)-2,2-DIMETHYL-, (S)-CYANO(3-PHENOXYPHENYL)METHYL ESTER, (1R,3R)-
    • CYPERMETHRIN, S(1R,3R)-
    • WL85871
    • CCRIS 9353
    • NCGC00249281-01
    • Bestox
    • (S)-Cyano(3-phenoxyphenyl)methyl (1R,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane-1-carboxylate
    • alpha-Cyano-3-phenoxybenzyl (1R-(1alpha(S*),3alpha))-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
    • Cismix
    • alpha-cypermethrin
    • Alfazot
    • UNII-99W8X078CA
    • Q27119819
    • Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, cyano(3-phenoxyphenyl)methyl ester, (1-alpha(S*),3-alpha)-(+-)-
    • 2TF5M1O25X
    • alpha-Cypermetrin
    • Fastac 10 EC
    • Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, cyano(3-phenoxyphenyl)methyl ester, (1R-(1alpha(S*),3alpha))-
    • Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, cyano(3-phenoxyphenyl)methyl ester, cis-(+/-)-
    • (S)-cyano(3-phenoxyphenyl)methyl (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
    • ALPHA-CYPERMETHRIN [HSDB]
    • Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (R)-cyano(3-phenoxyphenyl)methyl ester, (1S,3S)-rel-
    • Fastac
    • AKOS015899751
    • 65731-84-2
    • ALPHACYPERMETHRIN
    • Alfoxylate
    • WL-48281
    • Ultimate
    • AI3-29297
    • (1R)-cis-(alphaS)-cypermethrin
    • Dudu alpha
    • DTXSID80274146
    • ALPHA-CYPERMETHRIN [MART.]
    • WL 85871
    • HSDB 6554
    • NRDC 168S
    • 99W8X078CA
    • RU-24501
    • RU 24501
    • [(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
    • Dominex
    • (+-)-Alphamethrin
    • alpha-Cypermethrin [BAN]
    • UNII-2TF5M1O25X
    • SCHEMBL679351
    • (R)Cyano(3-phenoxyphenyl)-3-(2,2-dichloroethenyl)2,2-dimethyl cyclopropanecarboxylic acid methyl ester
    • EINECS 265-898-0
    • Alfamethrin
    • NS00009720
    • 67375-30-8
    • Mageos
    • (1R cis S) and (1S cis R) enantiomeric isomer pair of alpha-Cyano-3-phenoxybenzyl-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane carboxylate
    • (+/-)-Alphamethrin
    • CHEBI:39336
    • (1alpha(S*),3alpha)-(+-)-Cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
    • CYCLOPROPANECARBOXYLIC ACID, 3-(2,2-DICHLOROETHENYL)-2,2-DIMETHYL-, (S)-CYANO(3-PHENOXYPHENYL)METHYL ESTER, (1R,3R)-(+)-
    • Aeralfam
    • 72204-44-5
    • Concord
    • Contest
    • (SR)-alpha-Cyano-3-phenoxybenzyl (1RS,3RS)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
    • Beta cypermethrin
    • 1ST20476
    • KAATUXNTWXVJKI-NSHGMRRFSA-N
    • Inchi： 1S/C22H19Cl2NO3/c1-22(2)17(12-19(23)24)20(22)21(26)28-18(13-25)14-7-6-10-16(11-14)27-15-8-4-3-5-9-15/h3-12,17-18,20H,1-2H3/t17-,18+,20-/m0/s1
    • InChI Key： KAATUXNTWXVJKI-NSHGMRRFSA-N
    • SMILES： Cl/C(=C\[C@H]1[C@@H](C(=O)O[C@H](C#N)C2C=CC=C(C=2)OC2C=CC=CC=2)C1(C)C)/Cl

Computed Properties

  • Exact Mass: 415.07437
  • Monoisotopic Mass: 415.0741989g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 28
  • Rotatable Bond Count: 7
  • Complexity: 643
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 3
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 6
  • Topological Polar Surface Area: 59.3?2

Experimental Properties

  • Density: 1.1200
  • PSA: 59.32
  • LogP: log Kow= 6.94

(1R,2R,1'S)-Cypermethrin Security Information

  • Hazardous Material Identification： Xn N
  • Risk Phrases：R22;R37/38;R43;R50/53

(1R,2R,1'S)-Cypermethrin Pricemore >>

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SHANG HAI XIAN DING Biotechnology Co., Ltd.
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SHANG HAI XIAN DING Biotechnology Co., Ltd.
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SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd.
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A2B Chem LLC
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 $199.00 2023-12-30

(1R,2R,1'S)-Cypermethrin Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
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(CAS:65731-84-2)alpha-Cypermethrin
Order Number:sfd2684
Stock Status:in Stock
Quantity:200kg
Purity:99%
Pricing Information Last Updated:Friday, 19 July 2024 14:33
Price ($):discuss personally
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
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(CAS:65731-84-2)β-Cypermetrin
Order Number:LE13968
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:10
Price ($):discuss personally

(1R,2R,1'S)-Cypermethrin Related Literature

Additional information on (1R,2R,1'S)-Cypermethrin

Comprehensive Analysis of (1R,2R,1'S)-Cypermethrin (CAS No. 65731-84-2): Properties, Applications, and Environmental Impact

(1R,2R,1'S)-Cypermethrin, identified by its CAS No. 65731-84-2, is a stereoisomer of the widely used synthetic pyrethroid insecticide, Cypermethrin. This compound is renowned for its high efficacy in pest control, particularly in agricultural and household applications. With the increasing global focus on sustainable farming and integrated pest management (IPM), understanding the role of (1R,2R,1'S)-Cypermethrin has become crucial for researchers and industry professionals alike.

The molecular structure of (1R,2R,1'S)-Cypermethrin contributes to its exceptional insecticidal activity. Unlike its counterparts, this stereoisomer exhibits enhanced binding affinity to sodium channels in insect neurons, leading to rapid knockdown effects. Recent studies highlight its selectivity toward target pests while minimizing non-target toxicity—a key consideration in modern eco-friendly pest control solutions. Farmers searching for "low-residue crop protection" or "effective insecticide alternatives" often explore this compound due to its balanced profile.

In agricultural contexts, (1R,2R,1'S)-Cypermethrin is frequently formulated as emulsifiable concentrates (EC) or wettable powders (WP). Its applications span major crops like cotton, maize, and vegetables, addressing pests such as Helicoverpa armigera and Plutella xylostella. The compound’s photostability and rainfastness make it a preferred choice in regions with unpredictable weather patterns—answering common queries like "best insecticide for monsoon-season crops."

From an environmental perspective, the biodegradation pathway of 65731-84-2 has been extensively studied. Under aerobic conditions, soil microorganisms break it down into non-toxic metabolites within 30–60 days, addressing concerns about "long-term soil contamination." Regulatory agencies worldwide, including the EPA and EFSA, have established strict guidelines for its application rates, ensuring compatibility with pollinator protection initiatives—a hot topic among beekeepers and environmentalists.

Innovative research explores synergies between (1R,2R,1'S)-Cypermethrin and biological control agents. For instance, combining it with entomopathogenic fungi can reduce dosage requirements by up to 40%, aligning with the "precision agriculture" trend. Such advancements respond to frequent searches about "reducing pesticide use without compromising yield"—a critical challenge in modern agronomy.

Quality control of CAS No. 65731-84-2 involves advanced analytical techniques like HPLC-MS/MS to ensure purity >98%. This high purity is essential for meeting international standards such as FAO and WHO specifications, particularly for export-oriented markets. Manufacturers emphasizing "GMP-certified production" or "ISO-compliant formulations" leverage these quality benchmarks to differentiate their products.

Emerging discussions in the scientific community focus on resistance management strategies involving (1R,2R,1'S)-Cypermethrin. Rotational use with neonicotinoids or diamides has shown promise in delaying pest resistance—a solution frequently sought under search terms like "overcoming insecticide resistance in Bt-cotton." Field trials in Southeast Asia demonstrate 15–20% higher efficacy when used in such integrated programs.

For formulation chemists, the solubility profile of 65731-84-2 in organic solvents (e.g., acetone >500 g/L) enables diverse delivery systems. Recent patents describe nanoencapsulation techniques to improve rainfastness—addressing the "pesticide wash-off problem" often raised in tropical agriculture forums. These innovations align with the growing demand for "climate-smart formulations" in pest management.

Global market trends indicate steady demand for (1R,2R,1'S)-Cypermethrin, especially in regions battling invasive species like fall armyworm. Industry reports project a 4.2% CAGR (2023–2030), driven by its cost-effectiveness compared to newer chemistries. This economic aspect resonates with smallholder farmers searching for "budget-friendly pest control" options.

Ongoing research explores the compound’s potential in public health vector control, particularly against Aedes mosquitoes. Its low mammalian toxicity (LD50 >2000 mg/kg) makes it a candidate for indoor residual spraying programs—answering queries about "safe mosquito control for dengue prevention." Such applications could expand its market beyond agriculture.

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Suzhou Senfeida Chemical Co., Ltd
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