L-Serine
CAS Number: 56-45-1
Molecular formula: C3H7NO3
Molecular weight: 105.09
EINECS number: 200-274-3
Use
Used as biochemical reagents and food additives
For biochemical research, preparation of tissue culture medium,
It is used as amino acid nutrition medicine in medicine.
It is obtained by hydrolyzing the protein with high content of L-serine and recovering it from ion exchange resin. It is derived from the effect of ethyl formate and ethyl hippurate. It is made by fermentation method using sugar as raw material.
COA and other ceitificates will be sent under request.
| Package | carton drum with two plastic bags inside |
| Net weight | 25KG/Drum |
| Storage | Sealed in cool and dry place to avoid moisture and light |
| Shelf life | 2 years when properly stored |
| Lead time | 1~3 days after confirmation |
| Items | Standard |
| Characteristics | White crystals |
| (IR)Identification | Should complies to the standard |
| Specific Rotation | +14.0°~+15.6° |
| (TLC)Chromatographic purity | Any individual impurity≤0.5% |
| Total impurities≤2.0% |
| State of solution | ≥98.0% |
| Assay | 98.5%~101.0% |
| Heavy metals(Pb) | ≤15ppm |
| Loss on drying | ≤0.20% |
| Residue on ignition | ≤0.10% |
| Chloride(as Cl) | ≤0.05% |
| Sulfate | ≤0.03% |
| Iron(as Fe) | ≤0.003% |
About US
Our company is a hi-tech enterprise integrating R & D, production, agency and sales of fine chemicals such as inorganic chemicals, organic chemicals, flavors and fragrances, pharmaceutical raw materials and intermediates. We have established long-term cooperation with many large group companies at home and abroad.
FAQ:
Q1: Can i get some samples?
A: Yes, we can supply the sample, but the shipping cost be paid by our customers.
Q2: 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 Paypal and so on.
Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q4:What's your MOQ?
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5: How about delivery lead time?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
China
