Audited Supplier
99%
147-85-3
C5H9NO2
Paper
Normal
>12 Months
Amino Acid
Chemosynthesis
99%
Food Additives
White
White Crystals or Crystalline Powder
L-Proline
DawnChem
25kg/Drum
99%
China
2930909099
Product Description
Product Description
Product Name: L-Proline
CAS No: 147-85-3
Molecular Formula: C5H9NO2
Quality Standard: USP-NF2023
L-Proline is one of the most important amino acid in synthesis of body protein. It is also one of the important raw materials of amino acid infusion and synthesis of captopril and first-line antihypertensive drugs such as the main intermediates. It has been widely used in food and pharmaceutical industries.
Items | Specifications |
Appearance | White crystals or crystalline powder |
Assay | 98.5~101.5% |
Residue on ignition | ≤0.4% |
Chloride | ≤0.05% |
Sulfate | ≤0.03% |
Iron | ≤30ppm |
Related Compounds | Not more than 0.5% of any individual impurity is found; Not more than 2.0% of total impurities is found |
Speific rotation [a]b25 | -84.3°~-86.3° |
Loss on drying | ≤0.4% |
Shandong Dawnchem Company Limited., is a collection of research and development, production, sales and service in one of the chemical products company.The company is located in "quancheng" jinan.Jinan is a national historical and cultural city, one of the first batch of China's outstanding tourist cities, one of the birthplace of prehistoric culture longshan culture.
The company mainly engaged in food/feed additives, vitamins and Amino acid.Products are exported to the United States, South Korea, Turkey, Poland, Japan, southeast Asia, Europe, the Middle East and other countries and regions.
The company mainly engaged in food/feed additives, vitamins and Amino acid.Products are exported to the United States, South Korea, Turkey, Poland, Japan, southeast Asia, Europe, the Middle East and other countries and regions.
1:Can I get some samples before bulk order?
Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
For the high value product, our MOQ starts from 10g,100g and 1kg.
3: Which kind of payment terms do you accept?
PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union, L/C.
4.How to place an order?
You can contact me through Trademanager, WhatsApp, Skype Online and other contact methods, tell me the product and quantity you need, and then we will give you a quote. If you choose one of the above payment methods, we will arrange the delivery for you.
5:How about your delivery time?
A: Generally, it will take 5 to 7 days after receiving your advance payment.
6: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.
