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L-Methionine
Description: White crystal or crystalline powder, special umami, soluble in acid, soluble in water, difficult not soluble in ethanol, not soluble in ether
Function: L-Methionine constitute the protein ingredient, it is the raw material, synthetic hormone is the main material to sustain life. In medicine mainly used in the treatment of hepatitis, liver cirrhosis, toxic hepatitis, hepatic coma, fatty liver, amino acid infusion and due to a lack of protein and cause liver dysfunction, etc.; In the food industry used as food additives, feed industry used as additive, also widely used in biological pesticide.
Formula:C5H11NO2S
Molecular Weight:149.21CAS No.:63-68-3
SPECIFICATION
Description: White crystals or crystalline powder, soluble in acid and water, hard soluble in ethanol, and insoluble in ether.
Assay: 98.5%- 101.0%
Specific Rotation: +23.0 to +24.5
Transmittance: NLT 98.0%
pH: 5.5-6.1
Loss on Drying: NMT 0.20%
Residue on Ignition: NMT 0.10%
Chloride: NMT 0.02%
Ammonium: NMT 0.02%
Sulfate: NMT 0.02%
Iron: NMT 10ppm
Heavy Metals(Pb): NMT 10ppm
Arsenic: NMT 1ppm
* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
* Tracking information.
After we ship package, customer receive automatic email with tracking details.
* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.
