| CAS No.: | 73-22-3 |
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| Formula: | C11h12n2o2 |
| EINECS: | 200-795-6 |
| Type: | Pharmaceutical Intermediates |
| Appearance: | Crystal |
| Quality: | Refined |
| Customization: |
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Audited Supplier L-tryptophan, also known as α - aminoindolylpropic acid, molecular formula: C11H12N2O2, white to yellowish white crystal or crystalline powder. It is odorless or slightly odorous, and colored when exposed to light for a long time. It is stable when heated in dark with acid. It is easy to decompose when coexisting with other amino acids, sugars and aldehydes. Used as food fortifier and antioxidant. It is also used in medicine and other fields. It is synthesized from indolealdehyde. It can also be prepared by trypsin decomposition and synthesis.
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Product Name
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L-Tryptophan Powder
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Grade
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Food/Feed Grade
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Appearance
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White crystalline Powder
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CAS
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73-22-3
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Specification
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99%
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Storage
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Keep in cool & dry place, stay away from strong light and heat
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Shelf Life
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24 months
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Test |
Specifications |
Result |
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Assay by HPLC |
99.0%-100.5% |
99.4% |
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Appearance |
White crystalline powder |
Complies |
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Specific rotation |
-29.4°~-32.8° |
-31.5° |
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PH |
5.5 ~ 7.0 |
6.3 |
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Loss on drying % |
≤0.3 % |
0.13% |
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Heavy metals |
≤15ppm |
Complies |
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Residue on ignition |
≤0.1 % |
0.06% |
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Chloride% |
≤0.05% |
Complies |
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Iron |
≤0.003% |
Complies |
| Total Plate Count | <1000cfu/g | Complies |
| Yeast & Mold | <100cfu/g | Complies |
| E.Coli | Negative | Negative |
| S. Aureus | Negative | Negative |
| Salmonella | Negative | Negative |
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Conclusion |
Conform with specification |
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People: nutritional supplements. antioxidant. Tryptophan is the precursor of 5-hydroxytryptamine, which is an important neurotransmitter in human body. It is one of the essential amino acids for human body. It is used as a nutritional supplement for pregnant women and special milk powder for infants. It is used as a therapeutic drug for niacin deficiency (pellagra). It is used as a tranquilizer to regulate mental rhythm and improve sleep.
Animal: it can promote animal feeding, weaken stress response, improve animal sleep, increase antibody of fetus and infant, and improve lactation of dairy animals. Reducing the amount of high-quality protein in diet, saving feed cost, reducing the amount of protein in diet, saving formula space, etc.
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Packing
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1kg/bag ,25kg/bag;25kg/drum; according to your requirements
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Transit
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Fedex, TNT,DHL,EMS,and so on.
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Port
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Shanghai/Tianjin/Dalian/Beijing/Xi'an
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Lead Time
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3-5 working days upon received the payment
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| For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea. |
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We are specialized in Chemical raw materials: API, Pharmaceutical intermediates, Plant extracts, Health care ingredient, Vitamin,Food additives and Cosmetic additives. These products are widely used in pharmaceutical industry, chemical industry, food industry and other industries. Welcome to consult us. Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
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