Customization: | Available |
---|---|
CAS No.: | Na |
Formula: | Na |
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Product Name:
|
5-Hydroxytryptophan
|
Formula:
|
C11H12N2O3
|
CAS No:
|
4350-09-8
|
Ref.standard:
|
Enterprise standard
|
ANALYSIS
|
SPECIFICATION
|
METHOD
|
Appearance
|
Off white powder
|
Visual
|
Odor
|
Characteristic
|
Organoleptic
|
5-Hydroxytryptophan by HPLC
|
≥99%
|
USP39
|
Total impurities
|
≤0.2%
|
USP39
|
Solubility
|
≥10mg/ml in water
|
USP39
|
Identification
|
IR
|
USP39
|
Heavy metals
|
<10ppm
|
ICP-MS
|
Pb
|
<0.5ppm
|
ICP-MS
|
As
|
<0.5ppm
|
ICP-MS
|
Cd
|
<0.1ppm
|
ICP-MS
|
Hg
|
<0.1ppm
|
ICP-MS
|
Bulk density
|
≥0.38g/ml
|
USP39
|
Tapped density
|
≥0.58g/ml
|
USP39
|
Loss on drying
|
≤0.5%
|
USP39
|
Residue on ignition
|
≤0.5%
|
USP39
|
PH
|
4.0-6.0
|
USP39
|
Optical ratition
|
-30°~-35°
|
USP39
|
Residual solvents
|
≤100ppm
|
GC
|
Total Plate Count
|
<1000cfu/g
|
CP2015
|
Yeast & Mold
|
<100cfu/g
|
CP2015
|
E.Coli
|
Negative
|
CP2015
|
Salmonella
|
Negative
|
CP2015
|