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Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3

China Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3, Find details about China Amino Acid, Food Additives from Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3

Origin
China
Origin
China
Product Description

Product: L-tryptophan
CAS: 73-22-3
Description: White crystals or crystalline powder, slightly bitter taste.
Quality Standard:
Test ItemUSP32
Assay98.5~101.5%
pH5.5~7.0
Specific rotation[a] 25 D-29.4°~-32.8°
Chloride(Cl)≤0.05%
Sulfate(SO4)≤0.03%
Iron(Fe)≤30ppm
Heavy metals(Pb)≤15ppm
Loss on drying≤0.30%
Residue on ignition≤0.10%

Storage: Cool, dry, dark in closed containers 
Shelf life: 1 year.
Country of origin: China 
Company Profile

Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3

Packaging & Shipping

 

Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3

Certifications

Amino Acid Food Grade L-Tryptophan Powder USP CAS 73-22-3

Our Advantages

1. Top quality materials with competitive price;
2. Large capacity of stable materials supply;
3. Safety and fast shipment by express/air/sea;
4. Sample order acceptable;
5. Professional and great packing as customized;
6. Convenient payment terms by T/T, Credit Card and online order;
7. Reply inquiries in time

FAQ

Q: Who are you?
A: We are a professional and with more than 20 years experienced supplier and exporter for Industrial & fine chemicals, APIs, Reagent & Lab Supplies, and Food & Food Additives in China.

Q: How can you guarantee quality? 
A: We could provide pre-production sample before mass production. And we also accept the final inspection(third-party) before shipment.

Q: Do you supply free samples?
A: Generally, we could provide free sample for quality evaluation, but the international shipping cost should be undertook by customers.

Q: Which payment terms do you accept?
A: We could accept the payment through T/T, L/C and Online payment.

Q: Can I pay with a credit card
A: Yes, you could feel free to make your payment through credit card. Please contact us for more details

 

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