Product Description
L-Tryptophan, CAS NO.: 73-22-3
Chemical Name: L-Tryptophan
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23
Characteristics: White to yellowish white crystalline powder
Packing: 25kg/drum,25kg/carton
Quality Standard: aJI92/USP28/EP5/FCCIV
Specification
Specific rotation[a]D20°: -30.5°--32.5°
State of solution: Clear
(Tranamittance): min.95.0%
Chloride(Cl): max0.02%
ammonium(NH4): max0.02%
Sulfate(SO4): max0.020%
Iron(Fe): max20PPm
Heavy metals(Pb): max10PPm
arsenic(as2O3): max1PPm
Other amio acids: conforms
Loss on drying: max0.20%
Residue on ignition(Sulfated): max0.10%
assay: 99.0-100.5%
PH: 5.4-6.4
mutualchem(at)gmail(dot)com

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Company Profile
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Business Type: |
Product List (mutualchem (at) gmail (dot) com:
L-Leucine, L-Isoleucine, L-Valine, L-Norvaline, L-Tryptophan, L-Citrulline, L-Glutamic acid, L-Pyroglutamic acid, L-Tyrosine, L-Proline, L-Norleucine, L-Alanine, L-Arginine, a-Ketoglutarate 1:1, L-Argin... |
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Comapany: |
Mutual chemical imp. & exp. co., ltd. |
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Year of Establishment: |
2005 |
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Address: |
Nanjing Road |
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City: |
Xinyang |
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Zip/Postal: |
464100 |
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State: |
Henan |
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Country: |
China |
Founded in 2005, Mutual Chemical Imp. & Exp. Co., Ltd. is a professional chemical export company from China. Our main products are amino acids and series Derivatives, Battery Chemicals, high purity Magnesium Oxide and other auxiliaries chemicals. <.