Complaint
Pruduct name | L-Tryptophan |
CAS | 73-22-3 |
MF | C11H12N2O2 |
MW | 204.23 |
Melting point | 289-290 °C (dec.)(lit.) |
Boiling point | 342.72°C (rough estimate) |
Density | 1.34 |
Appearance | White to yellow-white powder |
Storage condition | 2-8°C |
Company Profile
Shandong Richnow Chemical Co., Ltd is a global chemical raw material supplier, located in Jinan, Shandong Province of China. Geographical advantage make us more convenient to deliver the cargo to you.
With comprehensive and professional market analysis, quick response, accurate quotation, detailed market suggestion, and strict after-sales service system, the scope of supply covers more than 70 countries and regions around the world, 1000+ cooperative customers, 3000+ potential customers, involving paint, coatings, resin, food, medicine, detergent, and other fields.
Professional Certificate
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Q1: When will my order be shipped?
A: Within 10~15 days after receiving customer's payment or original LC.
Q2: Can i get some samples?
A: Yes, contact me to know more about sample
Q3: How to confirm the Product Quality before placing orders?
A: Every product is with professional COA. Please be sure about the quality.
If any doubt, sample is available to you to be tested before large quantity order.
Q4: How to start orders or make payments?
A: Payment by T/T, Western Union,MoneyGram etc .
