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cas no.: 61-90-5
other names: (s)-2-amino-4-methylpentanoic acid; l-leucine 99+ %; h-leu-oh; l-leu;
mf: c6h13no2
einecs no.: 200-522-0
place of origin: china (mainland)
type: vitamins, amino acids and coenzymes grade standard: food grade, medicine grade usage: animal pharmaceuticals
brand name: baishixing model number: ********
purity: 98.5 ~ 100.5%
state: powder
packaging & delivery
packaging details: 25kgdrum
delivery detail: within 30days
specifications
1.l-leucine
2.cas# :61-90-5
3.assay:99%
4.molecular formula:c6h13no2
5.molecular weight:131.17
alias: (s)-2-amino-4-methylpentanoic acid; l-leucine 99+ %; h-leu-oh; l-leu; l(+)leucine
1.l-leucine
2.cas# :61-90-5
3.assay:99%
4.molecular formula:c6h13no2
5.molecular weight:131.17
appearance: white powder.
Type: vitamins, amino acids and coenzymes
grade standard: food grade
l-leucine is used in pharmaceutical intermediates,life sciences,biochemical study,etc.
item
standard
analysis result
item
standard
analysis result
specific rotation
+14.9°~ +16.0°
+15.75°
transmittance
≥98.0%
99.0%
assay
98.5 ~ 100.5%
99.6%
sulphate so42-
≤0.02%
0.01%
ammonium nh4+
≤0.02%
0.01%
iron(fe)
≤10ppm
2ppm
heavy metal(pb)
≤10ppm
2ppm
arsenic