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DL-Methionine

Cat. No. M10987
DL-Methionine  Structure
Size Price Availability Quantity
500mg USD 50  USD50 In stock
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Quality Control & Documentation
Biological Activity

DL-Methionine is an essential amino acid containing sulfur that has antioxidant stress defenses. DL-Methionine can be used as a natural feed for animals and can also kill potato golden nematodes (H. rostochiensis) on potatoes.

Chemical Information
Molecular Weight 149.21
Formula C5H11NO2S
CAS Number 59-51-8
Form Solid
Solubility (25°C) Water ≥ 20 mg/mL
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Chen Zhong, et al. Poult Sci. DL-methionine and DL-methionyl- DL-methionine increase intestinal development and activate Wnt/β-catenin signaling activity in domestic pigeons (Columba livia)

[2] Elise A Richardson, et al. Insects. Combining DL-Methionine and Bacillus thuringiensis Subspecies israelensis: Prospects for a Mosquito Larvicide

[3] Emma N I Weeks, et al. Ecotoxicol Environ Saf. Novel effective mosquito larvicide DL-methionine: Lack of toxicity to non-target aquatic organisms

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