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Ivermectin B1a

CAS# 71827-03-7

Ivermectin B1a

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Product Name & Size Price Stock
Ivermectin B1a:5mg Please Inquire In Stock
Ivermectin B1a:10mg Please Inquire In Stock
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Ivermectin B1a:50mg Please Inquire In Stock

Quality Control of Ivermectin B1a

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Chemical structure

Ivermectin B1a

3D structure

Chemical Properties of Ivermectin B1a

Cas No. 71827-03-7 SDF Download SDF
PubChem ID 6321424 Appearance Powder
Formula C48H74O14 M.Wt 875
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
SMILES CCC(C)C1C(CCC2(O1)CC3CC(O2)CC=C(C(C(C=CC=C4COC5C4(C(C=C(C5O)C)C(=O)O3)O)C)OC6CC(C(C(O6)C)OC7CC(C(C(O7)C)O)OC)OC)C)C
Standard InChIKey AZSNMRSAGSSBNP-XPNPUAGNSA-N
Standard InChI InChI=1S/C48H74O14/c1-11-25(2)43-28(5)17-18-47(62-43)23-34-20-33(61-47)16-15-27(4)42(26(3)13-12-14-32-24-55-45-40(49)29(6)19-35(46(51)58-34)48(32,45)52)59-39-22-37(54-10)44(31(8)57-39)60-38-21-36(53-9)41(50)30(7)56-38/h12-15,19,25-26,28,30-31,33-45,49-50,52H,11,16-18,20-24H2,1-10H3/b13-12+,27-15+,32-14+/t25-,26-,28-,30-,31-,33+,34-,35-,36-,37-,38-,39-,40+,41-,42-,43+,44-,45+,47+,48+/m0/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Ivermectin B1a Dilution Calculator

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Ivermectin B1a Molarity Calculator

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Preparing Stock Solutions of Ivermectin B1a

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.1429 mL 5.7143 mL 11.4286 mL 22.8571 mL 28.5714 mL
5 mM 0.2286 mL 1.1429 mL 2.2857 mL 4.5714 mL 5.7143 mL
10 mM 0.1143 mL 0.5714 mL 1.1429 mL 2.2857 mL 2.8571 mL
50 mM 0.0229 mL 0.1143 mL 0.2286 mL 0.4571 mL 0.5714 mL
100 mM 0.0114 mL 0.0571 mL 0.1143 mL 0.2286 mL 0.2857 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Ivermectin B1a

Streptomyces avermitilis industrial strain as cell factory for Ivermectin B1a production.[Pubmed:30623120]

Synth Syst Biotechnol. 2018 Dec 27;4(1):34-39.

Ivermectin, a kind of valuable derivatives of Avermectin, is distinct from Avermectin due to the saturated bond at C22-C23 position. Combinatorial biosynthesis of Ivermectins based on Avermectins biosynthetic gene cluster (ave) has been achieved recently, while the establishment of an Ivermectin homogeneous component producing strain is challenging because of the limited compatibility between the native and heterologous polyketide synthase (PKS) domains. In this study, the PKS module 2 Dehydratase (DH)-Enoylreductase (ER)-Ketoreductase (KR) domain set of Meilingmycin, which is another naturally occurring homologue of Avermectin, was employed to substitute the DH-KR domains of Avermectins PKS module 2 to generate an Ivermectin biosynthetic gene cluster (ive). Ivermectins B1a and A1a were heterologously biosynthesized in a classic actinomyces host Streptomyces lividans. The Avermectin B1a high-producing strain S. avermitilis 3-115 was genetically engineered to give an artificial host cell and Ivermectin B1a single component was effectively produced with a production of 1.25+/-0.14g/L.

Ivermectin efficacy against Biomphalaria, intermediate host snail vectors of Schistosomiasis.[Pubmed:28293033]

J Antibiot (Tokyo). 2017 May;70(5):680-684.

The impact of ivermectin on adult snails of the genus Biomphalaria (B. glabrata, B. tenagophila and B. straminea), B. glabrata infected with Schistosoma mansoni, snail egg-masses cercariae and miracidia, as well as on guppy fish (Poecilia reticulata) was examined and evaluated. Biomphalaria snails, egg-masses, parasite stages and guppies were all exposed to different concentrations of ivermectin for 24 h, followed by regular observations of mortality. The calculated lethal doses of ivermectin were around an LD50 of 0.03 mug ml(-1), and an LD90 of 0.3 mug ml(-1) for the three species of snails. Specimens of B. glabrata actually shedding parasite cercariae all died when exposed to ivermectin at a concentration of a mere 0.01 mug ml(-1). Ivermectin B1a, the major (80%) component of commercially available ivermectin, proved to be inactive, and it was the minor (20%) component, ivermectin B1b, which caused snail death. Snail egg-masses were not affected, even at the highest concentration of 100 mug ml(-1). With respect to S. mansoni parasite stages, 0.2 mug ml(-1) ivermectin killed 50% of cercariae and miracidia within five minutes, rising to 90% after 30 min. Mortality of guppy fish within 24 h of exposure to ivermectin at concentrations of 0.5 mug ml(-1) and 0.01 mug ml(-1), were 100% and 30%, respectively. The concentration of 0.01 mug ml(-1) that killed Schistosoma mansoni-infected snails only caused 30% mortality in guppy fish. Ivermectin can be considered a promising molluscicide, especially as it is more potent against infected snails than uninfected ones, although it has no impact on egg-masses. Ivermectin and its derivatives could be explored in the search for a new agent to help control schistosomiasis transmission.

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