L-Tryptophan ? CAS: 73-22-3

Min.Order / FOB Price:Get Latest Price

1 Kilogram	FOB Price: USD 1.0000

1 Kilogram

FOB Price: USD 1.0000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : L/C,T/T

Keywords

L-Tryptophan L-Tryptophan CAS: 73-22-3

Quick Details

Appearance:white crystal or crystal powder
Application:APIs
PackAge:25kg/drum
ProductionCapacity:2000|Metric Ton|Year
Storage:Store in cool and dry place, away from sun light.
Transportation:By sea or by air

Superiority:

[Product name]: L-Tryptophan

CAS No.: 73-22-3
[Structural formula]:

[Molecular formula]: C₁₁H₁₂N₂O₂
[Molecular weight]: 204.23
[Properties]: white crystal or crystal powder; light bitter taste; lightly soluble inw ater; insoluble in ethyl alcohol
[Uses]:It is essential amino-acid not manufactured by the human body. In food industry, it is used as accessory substance. Medical degree product is used for preparation of compound amino acid transfusion and preparation.

Details:

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS		Complies
	The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.10%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.01%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.70%
Assay	99.0%~101.0% (anhydrous substance).		99.80%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies