Buy CAS 616-91-1 N-Acetyl-L-Cysteinefrom Lab of Star-Selection

• Customization: Available
• CAS No.: 616-91-1
• Formula: C5h9no3s
• Model NO.: N-Acetyl-L-Cysteine
• EINECS: 210-498-3
• Classification: High Purity Material
• Grade: LR
• Specific Usage: For Biological Purpose, Technical Grade
• Content: Standard
• Usage: Laboratory Reagents, Analytical Reagents
• Source: Dry Powder
• Habit Appellation: Chemical Medicine
• Application: Industry, Scientific Research
• Storage Environment: Low Temperature Drying
• Shelf Life: 3 Years
• MW: 358.21
• Transport Package: 1kg/Bag
• Specification: 1000kg
• Trademark: Star-Selection
• Origin: Huanggang
• HS Code: 000000
• Production Capacity: 100000kg/Year

Product Description

 

 

Product Description

Product Name            N-Acetyl-L-cysteine 
Alias                              NAC 
Molecular Formula    C₅H₈NO₃S 
Molecular Weight      162.1875 
CAS No.                       616-91-1 
Shelf Life                      2 years   

Specification:

Analytical Items	Standard
Appearance	White crystals or crystalline powder
Appearance of solution	Clear and colourless
Solutions	Meet the requirements
Specific Rotation	+21.0~+27.0°
Loss on drying	≤1.0%
pH	2.0~2.8
Sulphated ash	≤0.2%
L-Cystine	<0.5%
L-Cysteine	<0.5%
N-diacetyl-L-Cystine	<0.5%
N-diacetyl-L-Cysteine	<0.5%
Heavy metals (Pb)	≤10PPm
Zinc	≤10PPm
Related substances	Meet the requirements
Other unknown impurity	<0.5%
Total Impurities	<0.5%
Assay	99.0%~101.0%

Application:  
1) Mainly used in medicine, cosmetics, biochemical research and other aspects.

2) Used in bread, to promote the formation of gluten and promote fermentation, mold, prevent aging.

3) Used in natural juices to prevent vitamin C from oxidizing and to prevent the juices from turning brown.

4) The product has a detoxification effect, can be used for poisoning, aromatic acidosis.

5) It is also used to prevent radiation damage to the body and is a drug for the treatment of bronchitis, especially as a expectorant (mostly in the form of acetyl l-cysteine methyl ester).

6) Cosmetics mainly used for beauty water, perm fluid, sun - proof skin care cream.

Packing: 
25kg/drum

Storage: 
Store in tightly closed original container, protected from light, in a dry place. 

 

Our Advantages
1.Cooperate with research institutions, we strictly control the process from raw material to finished product.
2.The customer comes first, we provide reasonable price, high quality product and prompt shipment.
3.We can send the goods to your delivery address directly. It is relatively safe and fast. We have ready goods in stock.
4.Quick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
5.We could make our price discount if you place a substantial order with us.
FAQ
1. Can i get some samples?
Yes, we can supply free sample, but the shipping cost be paid by our customers.
2. How to start orders or make payments?
Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union, L/C, Moneygram, BTC ,Escrow.
3. 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.
4. How long is lead time?
We deliver goods within 3 days for small order, 7-10 days for bulk order. 
5. 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.