High quality 99% DL-Tryptophan CAS#54-12-6

Brand:aa

Product detail:

Orchid Chemical

1.specializs in exporting Amino Acid to 40 countries for 10 years.

2.got the ISO/GMP

3.can offer more than 100 kinds:L-Methionine 400mt/year,L-Serine 500mt/year etc.

 

DL-Tryptophan CAS#54-12-6
Molecular formula:   C11H12N2O2
Melting point:       240.23

Melting point:       289-290            
water-soluble:       10 G/L (20 ºC)         
Standard:            USP EP AJI FCC
Purity:              98%99%

 

1.APPLICATION
DL-Tryptophan is widely used in fields of medicine, food processing, industry,etc.

2.PACKING
25kg per Drum or Bag

 

3.specification

one standard

 

 

Item	Limit
Appearance	White / yellowish crystal or crystalline powder
Identification	Conforms
PH	5.4 to 6.4
State of Solution	95.0%MIN
Chloride (Cl)	0.020% MAX
Ammonium (NH4)	0.020% MAX
Sulfate (SO4)	0.020% MAX
Iron (Fe)	10ppm MAX
Heavy Metals (Pb)	10ppm MAX
Arsenic (As2O3)	1ppm MAX
Other Amino Acids	Conforms
Loss on Drying	0.2%MAX
Residue in Ignition	0.1% MAX
Assay	99% MIN

 

We can offer you more
1.Competitive price(different standards)  
2.Quality Guaranteed(QMS: ISO,GMP)
3.Fast Delivery
4.Better service(consultation,suggestion)