| CAS No.: | 73-22-3 |
|---|---|
| Formula: | C11h12n2o2 |
| Environmental Protection: | Yes |
| Certification: | ISO |
| Color: | White to Yellowish White Crystals or Crystalline P |
| Classification: | Pharmaceutical Ingredients |
| Samples: |
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| Customization: |
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Product Name:L-tryptophan
Specification:98.5~101.5%
Appearance: White to yellowish White crystals or crystalline powder
| TECHNICAL DATE SHEET | ||
| PRODUCT SPECIFICATIONS | ||
| Product Name: | L-tryptophan | |
| Internal Code: | 000-00769 | |
| CAS number | 73-22-3 | |
| Molecular formula | C11H12N2O2 | |
| ANALYSIS ITEMS | SPECIFICATION | TEST METHOD |
| Appearance | White to yellowish White crystals or crystalline powder | |
| Identification | Infrared absorption | |
| Specific rotation[a]D20° | -29.4°~-32.8° | |
| Loss on drying | ≤0.30% | |
| Residue on ignition | ≤0.10% | |
| Sulfate(SO4) | ≤0.030% | |
| Chloride | ≤0.05% | |
| Iron(Fe) | ≤30ppm | |
| Heavy metals(Pb) | ≤15ppm | |
| Assay | 98.5~101.5% | |
| Organic volatile impurities | As per USP32 | |
| PH | 5.5-7.0 | |
| Packing | Pack in paper-drums and two plastic-bags inside N.W. 25 kgs I.D.35xH51cm. | |
| Storage | Store in a well-closed container away from moisture, light, oxygen. | |
| Shelf Life | 24 months under the conditions above and in its original packaging | |
About Us
KINDHERB is a hightech enterprise specializing in and developing plant extracts. Since now we have already more than 10 years experience. We are committed to the development and development of traditional Chinese herbal medicine, with strict GAP raw material base, GMP production anagement and ISO9001/ISO22000/Kosher/HALAL quality certification, and many wellknown in the food, health products, medicine and cosmetics industries and the world. Enterprises have established long-term strategic cooperative relations.
KINDHERB office is located in Hangzhou, Zhejiang province. We specializes in the production and marketing of Rosehip extract, Saw palmetto extract, Guarana extract, Yerba mate extract, Acerola extract, Bilberry extract, Coleus forskolii extract, Resveratrol, Berberis aristata extract, and other natural ingredients and high purity extracts of plant functional ingredients and standardized extracts.
KINDHERB pays attention to the combination of technology and technology, and the market demand ensures that the product has high technology content and wide applicability, and attaches great importance to environmental protection and high efficiency. At present, the company's products have been widely recognise by domestic and foreign companies.
Shipment & Payment
Our Services and Guarantees:
1 : We have our own quality inspection report for each shipment.
2: 20-50 grams of samples are provided free of charge for customers to check the quality
3. If there are any quality problems, we will unconditionally exchange the prroduct or refund.
FAQ:
1. What's the payment terms?
T/T ,Paypal, Western Union.
2. MOQ?
1kg, some special product can be 10grams.
3. What's your lead time?
Usually we arrange the shipment in 5-7 working days after the payment cleared.
4.What is your sample policy?
Free sample is available while you afford the courier charge.
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