
Company Information
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Contact SupplierWe are offering l-threonine. Quick details
cas no.: 72-19-5
other names: ******
mf: c4h9no3
einecs no.: ******
place of origin: sichuan, china (mainland)
type: vitamins, amino acids and coenzymes grade standard: food grade, medicine grade
brand name: baishixing
model number: aji97
purity: 99%
appearance: white crystals or crystalline powder;slightly sweet taste.
Packaging & delivery
packaging details: cartons,25kgs per carton.
Delivery detail: within 30 days.
Specifications
1.l-threonine
2.cas# :72-19-5
3.assay:99%
4.molecular formula:c4h9no3
5.molecular weight:119.12
l-threonine is used in pharmaceutical intermediates,biochemical study,life sciences,etc.
item
standard
item
standard
specific rotation
-27.6°~
-29.0°
transmittance
≥98.0%
assay
98.5%~100.5%
sulphate so42-
≤0.02%
ammonium nh4+
≤0.02%
iron(fe)
≤10ppm
heavy metal(pb)
≤10ppm
arsenic
≤1ppm
residue on ignition
≤0.1%
loss on drying
≤0.2%
p h
chloride(cl)
≤0.02%