L-carnosine

We are offering l-carnosine.
Quick details
cas no.: 305-84-0
other names: carnosine; n-beta-alanyl-l-histidine
mf: c9h14n4o3
einecs no.: 206-169-9
place of origin: sichuan, china (mainland)
type: vitamins, amino acids and coenzymes
grade standard: food grade, medicine grade
usage: animal pharmaceuticals
brand name: baishixing
model number: *********
purity: 99%
state: powder
packaging & delivery
packaging details: 25kgdrum
delivery detail: within 30days
specifications
1.l-carnosine
2.cas # :305-84-0
3.assay:99%
4.molecular formula: c9h14n4o3
5.molecular weight:226.24
l-carnosine is used in pharmaceutical intermediates,biochemical study,life sciences,etc.
Test items
standard
appearance
white to off-white powder
identification (ir)
complying
specific rotation [20d]
+20.0~+24.0 degree (c=1, h2o)
heavy metals (pb)
not more than 5ppm
mold & yeast
not more than 100cfug
e.coli
negative
salmonella
negative
residue on ignition
less than 1000 ppm
melting point
245°c~262°c
loss on drying
not more than 1.0%
purity (hplc)
not less than 99.0%