L-Tryptophan CAS 73-22-3 | China | Manufacturer | Hebei Mojin Biotechnology Co., Ltd

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Package	25KG

Product Details

Product Name: L-Tryptophan	CAS No.: 73-22-3
Min. Order: 1KG	Purity: 99%
Supply Ability: 50000KG/month	Release date: 2023/09/08

CERTIFICATE OF ANALYSIS


Product Name	L-Tryptophan	CAS No.	73-22-3

L-Tryptophan	USP32	AJI92	CP2015 Injection Grade	EP8
Assay	98.5-101.5%	99.0-100.5%	≥99.0%	98.5-101.0%
PH	5.5~7.0	5.4~6.4	5.4~6.4	/
Specific rotation[a]D20	/	-30.5°~32.5°	-30.0°~32.5°	-30.0°~33.0°
Specific rotation[a]D25	-29.4°~32.8°	/	/	/
Transmittance(T430)	/	≥95.0%	≥95.0%	Clear & colorless ≤BY6
Chloride(Cl)	≤0.05%	≤0.02%	≤0.02%	≤0.02%
Ammonium(NH4)	/	≤0.02%	≤0.02%	≤0.02%
Sulfate(SO4)	≤0.03%	≤0.02%	≤0.02%	≤0.03%
Iron(Fe)	≤30ppm	≤20ppm	≤20ppm	≤20ppm
Heavy metals(Pb)	≤15ppm	≤10ppm	≤10ppm	≤10ppm
Arsenic	/	≤1ppm	≤1ppm	/
Other amino acids	/	Conform	≤0.50%	Impurity A≤10ppm Sum of impurities with a retention time less than that of Tryptophan <100ppm Sum of impurities with a retention time great than that of Tryptophan and up to 1.8 time of N acetyltryptophan <300ppm
Ninhydrin-positive substances	/	/	/	Conform
Loss on drying	≤0.30%	≤0.20%	≤0.20%	≤0.50%
Residue on ignition	≤0.10%	≤0.10%	≤0.10%	≤0.10%
Endotoxin	/	/	<50EU/g	/

Packing &shipping&Payment

Packing:25kg/drum
Shipping:by sea or by air
Payment:T/T,western union,moneygram
Packaging Details drum
Port:Tianjin
Lead Time :

Quantity(Kilograms)	1 - 10000	>10000
Est. Time(days)	5	To be negotiated

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Company information
Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in 4'-Methylacetophenone,Levamisole hydrochloride ,N-Methylformamide and other chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all employees, we have established many cooperative companies in shandong, henan, guangdong and other places. Our corporate purpose is based on the market, enhance the strength, take the road of scientific and environmental sustainable development, relying on the country. Technology r & d center, increase the investment in r & d, based on the domestic market, expand the international market, manufacturing quality products, sincere service to the society, into a modern, ecological, scientific and technological enterprise world.

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Hebei Mojin Biotechnology Co., Ltd

Min. Order:	1KG
Supply Ability:	50000KG/month
Update Time:	2023-09-08