| Customization: | Available |
|---|---|
| CAS No.: | 153-94-6 |
| Formula: | C11h12n2o2 |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
D-Tryptophan/Amino Acid
CAS No.: 153-94-6| ITEMS | SPECIFICATION | RESULTS |
| Appearance | White or yellowish crystal and crystal powder | Complise |
| Differentiate | Meet the requirement | Complise |
| Transmittance | ≥ 98.0% | Complise |
| Specific Ratation | +30.0° _ +32.5° | +31.3° |
| Loss on Drying | ≤ 0.2% | 0.18% |
| Chloride | ≤ 0.02% | Complise |
| Ammonium | ≤ 0.02% | Complise |
| Iron | ≤ 0.002% | Complise |
| Sulfate | ≤ 0.02% | Complise |
| Other Amino Acids | ≤ 0.5% | Complise |
| Residue on Ignition | ≤ 0.10% | 0.080% |
| Heavy Metals | ≤ 10ppm | Complise |
| pH | 5.4_ 6.4 | 5.8 |
| Assay | 98.5_ 101.0% | 99.60% |
THE CHOICE OF COMWIN, TO ACHIEVE A WIN-WIN SITUATION!
ComWin International Co.,Ltd was founded in 1992. Changzhou ComWin Fine Chemicals Co.,Ltd. as a subsidiary was established in 2003. Its manufacturing site is situated in Huangyan Economic Development Zone, Taizhou with the total area approximately 70,000 meter suqare and nearly 80 staff.
ComWin is specializing in producing and distributing APIs, Animal healthcare products, Nutritional Ingredients. Our main products are 5-Chloro-2-pentanone, 2-MeTHF, Orlistat, Rosuvastatin Calcium, Fipronil, Cloprostenol Sodium and Noni Juice.
About ComWin - Your Trusted Partner
With over 20 years of expertise in Active Pharmaceutical Ingredients (APIs), ComWin has become a trusted global partner for pharmaceutical companies in more than 35 countries. By serving nearly 100 clients worldwide, we are dedicated to providing high-quality API solutions supported, including sample customization, project development, market intelligence, regulatory supports as well we solution provider based on our extensive knowledge.
Q1:Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: Which kind of payment terms do you accept?
A: T/T, LC, D/P and Flexible payment by Credit approved.
Q3:Which transportation do we use?
A:Samples could be DHL, UPS, TNT, EMS, Fedex, and so on. For mass orders, it will be delivered by air or sea.
Q4: How about your delivery time?
Generally, it takes 5 working days after receiving your advance payment.
Q5: How do you treat quality complaint?
A: First of all, our quality control guarantees that quality is accomplished with the confirmed specification, and we take 100% responsibility for our orders.
Q6:How can we trust you?
A: You are always warm welcomed to visit us at any time. Before we start B2B, MIC has audited our company on-spot and approved our credit.
Q7:Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery.
){kind=link}