| Customization: | Available |
|---|---|
| Powder: | Yes |
| Customized: | Customized |
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| Product name | L-Tryptophan | CAS No. | 73-22-3 |
| Molecular formula | C11H12N2O2 | Molecular weight | 204.23 |
| EINECS No. | 200-795-6 | Appearance | White powder |
| Purity | 99% | Function | Nutritional supplements |
| Specifications | 1 Kg/Bag or 25 Kg/Drum | MNQ | 1 Kg |
| Melting point | 289-290 °C (dec.)(lit.) |
| alpha | -31.1 º (c=1, H20) |
| Boiling point | 342.72°C (rough estimate) |
| density | 1.34 |
| refractive index | -32 ° (C=1, H2O) |
| storage temp. | 2-8°C |
| solubility | 20% NH3: 0.1 g/mL at 20 °C, clear, colorless |
| pka | 2.46(at 25ºC) |
| form | powder |
| color | White to yellow-white |
Q1: What's your MOQ?
A:It depends on different products,we can accept sample order or provide free sample for your test.
Q2:How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q3: Is there a discount?
A:Different quantity has different discount.
Q4:How to start orders or make payments?
A:Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Bitcoin.
Q5: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q6. We don't know you at all, 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.Commitment is the No.1 Point of our Enterprise's Value.
Q7.Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.
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