99% Sialic Acid N-Acetylneuraminic acid CAS 131-48-6 For Health
What is N-acetylneuraminic acid ?N-acetylneuraminic acid, also known as sialic acid (SA) and bird's nest acid, is a naturally occurring amino sugar. It was originally isolated from the submandibular gland mucin. Sialic acid. Sialic acid is a nine-carbon monosaccharide derivative containing an amino group, and is a general term for all N- or O-derivatives of neuraminic acid or keto-deoxynonanonic acid (KDN). Sialic acid usually exists in the form of oligosaccharides, glycolipids, or glycoproteins, mainly in the form of short chain residues at the ends of glycoproteins and glycolipids.
The Specification of N-Acetylneuraminic acid Item | Specification | Result |
Appearance | White crystal powder | Complies |
Impurities | No visible impurities | Complies |
Smell | Sweet and sour taste | Complies |
Assay | NLT98.0% | 99.1% |
pH | 1.8~2.3 | 2.0 |
Loss on Drying | NMT2.0% | 1.5% |
Transmittance | NLT98.0% | 98.4% |
Ignition Residue | NMT2.0% | 0.27% |
Aflatoxin B1 | NMT5.0μg/kg | Not detected |
Pb | NMT1.0ppm | Not detected |
As | NMT1.0ppm | Not detected |
Hg | NMT0.2ppm | Not detected |
Total Plate Count | NMT1,000cfu/g | Complies |
Yeasts/Moulds | NMT100cfu/g | Complies |
The Application of N-Acetylneuraminic acidPharmaceutical
, dietary supplements Packing & Shipment
Quality Control of Health Sources
1) A system in accordance with GMP standard, supervision on whole production process.
2) Health Sources is equipped with advanced detecting device, such as AFS, GC, HPLC, UV etc, supply the
detailed Certificate of Analysis.
3) Procurement-Strictly on selecting raw materials.
4) Production-Strictly according to the standard specifications, conform to USP, EP, BP, CP, AJI, FCC etc
pharmaceutical and/or food standards.
5) Warehousing and storage: Clear and dry condition with suitable temperature.
6) Transportation - Audit and supervise the logistics environment to ensure storage safety.
7) Keep samples for all batches goods to be traceable in case of quality discrepance.
Certification
Q1:Which kind of payment terms do you accept?
For small order,you can pay by T/T or Western Union ,nomal order by T/T to our company account.
Q2:Can you give me a discount price?
Surely,It depend on your quantity.
Q3:How can I get a sample?
Free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q4: How to confirm the Product Quality before placing orders?
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.
Q5:How do you treat quality complaint?
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.