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China High Quality 4382 Phthalocyanine Blue BGS Factories - L-Leucine | 61-90-5 – COLORKEM

China High Quality 4382 Phthalocyanine Blue BGS Factories - L-Leucine | 61-90-5 – COLORKEM


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China High Quality 4382 Phthalocyanine Blue BGS Factories - L-Leucine | 61-90-5 – COLORKEM Detail:

Products Description

Leucine (abbreviated as Leu or L) is a branched-chain α-amino acid with the chemical formula HO2CCH(NH2)CH2CH(CH3)2. Leucine is classified as a hydrophobic amino acid due to its aliphatic isobutyl side chain. It is encoded by six codons (UUA, UUG, CUU, CUC, CUA, and CUG) and is a major component of the subunits in ferritin, astacin and other ‘buffer’ proteins. Leucine is an essential amino acid, meaning that the human body cannot synthesize it, and it, therefore, must be ingested. As a food additive, L-Leucine has E number E641 and is classified as a flavor enhancer.

Specification

Item Index
Specific rotatory power[α] D20 +14.9º 16º
Clarity >=98.0%
Chloride[CL] =<0.02%
Sulfate[SO4] =<0.02%
Residue on ignition =<0.10%
Iron salt[Fe] =<10 ppm
Heavy metal[Pb] =<10 ppm
Arsenic salt =<1 ppm
Ammonium salt[NH4] =<0.02%
Other amino acid =<0.20%
Loss on drying =<0.20%
Content 98.5 100.5%

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China High Quality 4382 Phthalocyanine Blue BGS Factories - L-Leucine | 61-90-5 – COLORKEM detail pictures


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  • The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Elsa from New Zealand - 2017.11.12 12:31
    The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.
    5 Stars By Nelly from Amman - 2018.06.30 17:29