Product Categories

Contact Us

 Manager: Frank Wang
 Tel: 86-25-84204331,84209951

Share to:


CAS No.:616-91-1
HS Code:2930909099
Specification:AJI / USP
Packing:25kg bag/drum/carton
Port of loading:Shanghai ; Qindao;Tianjin
Min. Order:1MT
AppearanceWhite crystals or crystalline powder; strongly acid taste.
IdentificationInfrared Absorption---
Specific optical rotation+5.6 °- +8.9 °+5.5 °- +7.0 °
State of solution (Transmittance)--->= 98.0% clear and colorless
Chloride (Cl)---19.89-20.29%
Ammonium(NH4)---=< 0. 002%
Sulfate=< 0. 03 %=< 0. 020%
Iron=< 0. 003 %10ppm
Heavy Metals (as Pb),=< 0.00 15%=< 10ppm
Arsenic (as As),---=< 1ppm
Other amino acids---Not detected
Organic volatile impuritiesMeets the requirement---
Loss on drying,8-12 %8.5-12 %
Residue on ignition,c=< 0.1 0 %
Assay98.5-101.5 %9 9.0-10 0.5 %
pH value---1.5-2.0
Organic volatile impuritiesMeets the requirement---
Chromatographic purity0.5% max Individual impurity, 2% max total---


1. N-acetyl-cysteine is the acetylated form of L-cysteine which is more efficiently absorbed and used. It is also an antioxidant that is helpful against viruses.


2. N-acetyl-cysteine has been used as a liver protectant and to break up pulmonary and bronchial mucus.


3. N-acetyl-cysteine can boost glutathione levels in cells.


4. N-Acetyl-L-Cysteine is a conditionally essential amino acid, one of only three sulfur-containing amino acids, the others being taurine (which can be produced from L-cysteine) and L-methionine from which L-cysteine can be produced in the body by a multi-step process.


4. N-Acetyl-L-Cysteine can act as an antioxidant, may prevent liver diseases, and can help to thicken the individual diameters of existing hair if taken regularly.


1. What's your payment terms?
T/T or L/C.

2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.

3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

4. How about the validity of the products?
According to the products you ordered.

5. What documents you provide? 
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.

Our Services

1.20years industry experience, 4 own factorires, 3 warehouses, sold all over the world

2.High quality products with reasonable price

3.Stable supply with QC center for quality control

4.Updating price trendency and market information

5.Delivery within two weeks after order

6.Over 500 kind of food additives 

7.New sisiter company is engaged to Pharmaceuticals and ingredients

8.A professional sales team





 9/F,Fortune Building,No.359 Hongwu Road,Nanjing
210002, China
  +86-025-84204331 / 84209951

 Copyright  2018 Hugestone Enterprise Co., Ltd. 南京鑫诺生化有限公司   苏ICP备19056483号-2