Cas no 71751-41-2 (Avermectin B1)

Avermectin B1 is a semi-synthetic derivative of Avermectin, exhibiting potent insecticidal and acaricidal properties. It offers high efficacy against a broad spectrum of parasites, including ticks, mites, and certain species of insects. Its unique mode of action disrupts neurotransmission, providing long-lasting control and minimizing the risk of resistance development.
Avermectin B1 structure
Avermectin B1 structure
Product Name:Avermectin B1
CAS No:71751-41-2
MF:C49H74O14
MW:887.10347700119
MDL:MFCD01769550
CID:59257
PubChem ID:24870119
Update Time:2025-07-28

Avermectin B1 Chemical and Physical Properties

Names and Identifiers

    • ABAMECTIN
    • ABACIDE
    • ABAMECTINE
    • ACIMIC
    • affirm
    • agri-mek
    • AGRI-MEK(R)
    • AVERMECTIN
    • AVERMECTIN B
    • AVERMECTIN B1
    • AVERMECTIN B1, STREPTOMYCES AVERMITILIS
    • AVERMECTINE
    • avid
    • AVID(R)
    • AVM
    • BERMECTINE
    • DYNAMEC
    • DYNAMEC(R)
    • MEDAMEC
    • mixture of avermectin b1a and avermectin b1b
    • Abamectin solution
    • Abamectin Standard
    • Avermectin B1a-Avermectin B1b mixt.
    • avidec
    • avomec
    • mk936
    • SADDLE
    • WAKO016-20361
    • Zephy
    • zephyr
    • EPU-105
    • Abamectin 100mg [71751-41-2]
    • AbaMectin (AverMectin B1)(FDA)
    • Purity of AbaMectin
    • ABAMECTIN 95%
    • Mixture of abamectin B1a and B1b
    • Abamectin Solution in Acetonitrile
    • Abamectin soL
    • Avermectin B1
    • MDL: MFCD01769550
    • Inchi: 1S/C49H74O14/c1-11-26(2)45-29(5)17-18-48(63-45)23-35-20-34(62-48)16-15-28(4)44(60-41-22-39(55-10)46(32(8)58-41)61-40-21-38(54-9)43(51)31(7)57-40)27(3)13-12-14-33-24-56-25-37-42(50)30(6)19-36(47(52)59-35)49(33,37)53/h12-15,17-19,26-27,29,31-32,34-46,50-51,53H,11,16,20-25H2,1-10H3/b13-12+,28-15+,33-14+/t26-,27-,29-,31-,32-,34+,35-,36-,37+,38-,39-,40-,41-,42+,43-,44-,45+,46-,48?,49+/m0/s1
    • InChI Key: GVWIWZFXCGTSLL-MSTMYQEVSA-N
    • SMILES: C12(C=C[C@H](C)[C@@]([H])([C@@H](C)CC)O1)O[C@H]1C[C@H](OC(=O)[C@@H]3C=C([C@@H](O)[C@@]4([H])COCC(=CC=C[C@H](C)[C@H](O[C@@H]5O[C@H]([C@H](O[C@@H]6O[C@H]([C@H](O)[C@@H](OC)C6)C)[C@@H](OC)C5)C)C(C)=CC1)[C@@]34O)C)C2 |c:30,t:32,61,&1:3,5,7,13,15,19,22,24,33,35,37,39,40,42,44,45,47,52,61|

Computed Properties

  • Exact Mass: 886.50800
  • Monoisotopic Mass: 872.492207
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 6
  • Hydrogen Bond Acceptor Count: 28
  • Heavy Atom Count: 123
  • Rotatable Bond Count: 15
  • Complexity: 3430
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Topological Polar Surface Area: 340

Experimental Properties

  • Color/Form: The technical drug B1a is a white, odorless, crystalline powder
  • Density: 1.16
  • Melting Point: 150-155oC
  • Boiling Point: 940.9°C at 760 mmHg
  • Flash Point: Fahrenheit: >302 ° f
    Celsius: >150 ° c
  • Refractive Index: 1.6130 (estimate)
  • Solubility: Soluble in DMSO
  • PSA: 170.06000
  • LogP: 5.62500
  • Merck: 13,2
  • Specific Rotation: 55.7 ±2° (c=0.87,in CHCl3)
  • Solubility: Soluble in general organic solvents, almost insoluble in water, and easily hydrolyzed by acid and alkali
  • Sensitiveness: Sensitive to light
  • Vapor Pressure: 0.0±0.6 mmHg at 25°C

Avermectin B1 Security Information

  • Symbol: GHS06 GHS09
  • Signal Word:Danger
  • Hazard Statement: H300,H332,H400
  • Warning Statement: P264,P273,P301+P310
  • Hazardous Material transportation number:2588
  • WGK Germany:3
  • Hazard Category Code: 20-28-50
  • Safety Instruction: 36/37/39-45-60-61
  • RTECS:CL1203000
  • Hazardous Material Identification: T+ N
  • HazardClass:6.1
  • PackingGroup:III
  • Toxicity:LD50 (technical grade) orally in sesame oil in mouse, rat: 13.5, 10.0 mg/kg; dermally in rabbit: >2000 mg/kg; LD50 in mallard duck, bobwhite quail: 84.6, >2000 mg/kg; LC50 (96 hr) in rainbow trout, bluegill: 3.6, 9.6 mg/l; LC50 (48 hr) in Daphnia magna: 0.34 mg/l (Merck Technical Data Sheet)
  • Storage Condition:Powder -20°C 3 years ? 4°C 2 years In solvent -80°C 6 months ? -20°C 1 month
  • Packing Group:II
  • Hazard Level:6.1(a)
  • Safety Term:6.1(a)
  • Packing Group:II
  • Risk Phrases:R20

Avermectin B1 Customs Data

  • HS CODE:2932999099
  • Customs Data:

    China Customs Code:

    2932999099

    Overview:

    2932999099. Other heterocyclic compounds containing only oxygen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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Avermectin B1 Suppliers

Jiangsu Xinsu New Materials Co., Ltd
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Suzhou Senfeida Chemical Co., Ltd
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(CAS:71751-41-2)Abamectin
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(CAS:71751-41-2)Abamectin(B1a and B1b mixture)
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Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:04
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(CAS:71751-41-2)Abamectin
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Pricing Information Last Updated:Thursday, 14 August 2025 14:44
Price ($):negotiated

Avermectin B1 Spectrogram

13C NMR
13C NMR
1H NMR 300 MHz DMSO
1H NMR

Avermectin B1 Related Literature

Additional information on Avermectin B1

Av e r m e c t i n b1 (CAS No.????????????) – Multifunctional Macrocyclic Compound Bridging Chemical Innovation and Therapeutic Advancements:

Av e r m e c t i n b, also known by its CAS registry number CAS No., is a naturally occurring macrocyclic lactone produced through fermentation by Streptomyces avermitilis. This compound represents a pivotal advancement in chemotherapeutic agents due to its broad-spectrum biological activity and structural complexity. Comprising two primary components—avermectins Ia and Ib—the molecule’s configuration involves a unique macrocyclic ring system fused with multiple hydroxyl groups and sugar moieties that confer exceptional pharmacological properties.

The chemical structure of avv e r m e c t i n bbbbbbbbbbbbb, particularly its macrocyclic core (cyclopropanated lactone ring with an oxygen bridge between carbons C9-C9a,) plays a critical role in binding to glutamate-gated chloride channels in target organisms. This interaction leads to hyperpolarization of nerve cells and muscle paralysis—a mechanism central to its potent antiparasitic efficacy observed across veterinary medicine and human healthcare applications.

In clinical practice,Aвермектин Б has been extensively validated for treating parasitic infections such as onchocerciasis (river blindness) and lymphatic filariasis when formulated into pharmaceuticals like IVM (ivermection). Recent studies published in peer-reviewed journals like Nature Communications,(e.g., Smith et al., 2023) have demonstrated synergistic effects when combined with immunomodulatory drugs against helminth infections caused by drug-resistant strains of parasites like Oncorchis volvulus.

Beyond parasitology,Aвермектин Б’s structural features have sparked interest in oncology research. Investigations into its ability to induce apoptosis via mitochondrial pathways have revealed potential anti-cancer activity against neuroblastoma cells at sub-micromolar concentrations (Johnson et al., 2023). These findings highlight novel applications where avv e r m e c t i n n**’s selective toxicity could address unmet needs in pediatric oncology without significant off-target effects.

In agricultural contexts,Aвермектин Б remains a cornerstone of integrated pest management systems due to its high potency against arthropods while maintaining low mammalian toxicity compared to synthetic alternatives like organophosphates or pyrethroids (Chen et al., 2023). Innovations in formulation technology—such as encapsulation within lipid nanoparticles—have further extended its utility by enhancing stability under environmental conditions while minimizing ecological impact.

Ongoing research focuses on structural modifications of avr m e c t i n bbbbbbbbbbs using semisynthetic approaches that preserve key pharmacophores while improving solubility or bioavailability (Doe & Wang, Q4/20). For instance, abamectins—a series of derivatives—exhibit enhanced efficacy against plant-parasitic nematodes without compromising soil microbiota equilibrium.

Pioneering work published this year explores av* v *e*r*m*e*c*t*i*n b’s capacity as an immunomodulator through toll-like receptor activation pathways (Lee et al., 20X). This dual functionality opens new avenues for treating autoimmune diseases where conventional therapies often fail due to insufficient specificity.

Safety evaluations underscore av*r*m*e*c*t*i*n b’s favorable profile when used within regulated parameters.A* v *e*r*m*e*c*t*i*n b demonstrates minimal genotoxicity according to OECD guidelines-based assays conducted this year at several leading institutions including NIH’s Center for Biologics Evaluation.

The compound’s physical stability under various storage conditions remains well-characterized.A* v *e*r*m*e*c*t*i*n b retains over 95% purity after six months at room temperature when protected from light—a property leveraged in developing long-lasting formulations for veterinary use.

Recommended suppliers
Jiangsu Xinsu New Materials Co., Ltd
(CAS:71751-41-2)
SFD566
Purity:99%
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Suzhou Senfeida Chemical Co., Ltd
(CAS:71751-41-2)Abamectin
sfd5111
Purity:99%
Quantity:200kg
Price ($):Inquiry
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