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Alfa Aesar™ L-Cysteine, 98+%

Brand:  Alfa Aesar™ A10435.30

Code : NEW

Additional Details : CAS Number : 52-90-4 Weight : 0.25000kg

Quantity 250g

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Product Code. 11498643

  • £78.44 / 250g


Estimated Shipment date
from Supplier 04-10-2017
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Description

Description

Applications
L-Cysteine is used as a precursor in food, pharmaceutical and personal care products. It is actively involved in the production of flavors such as meat flavor obtained by reacting with sugars. Also used for the cleavage of disulfide bonds in the hair′s keratin. It plays an important role as a key raw material for the manufacture of N-acetyl-L-cysteine, S-carboxymethyl-L-cysteine and L-cysteine base. Its derivative, N-acetyl-L-cysteine is used as a dietary supplement. It acts as an antidote to acetaminophen overdose and prevents liver failure. It protects nerves from oxidation and thereby prevents illnesses like Alzheimer′s and Parkinson′s. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

Solubility
Soluble in water, alcohol, acetic acid and aqueous ammonia. Insoluble in ether, acetone, ethyl acetate, benzene, carbon disulfide and carbon tetrachloride

Notes
Air sensitive. Incompatible with strong oxidizing agents.
Specifications

Chemical Identifiers

L-Cysteine
C3H7NO2S
MFCD00064306
14,2781
52-90-4
121.16
1721408
L-2-Amino-3-mercaptopropionic acid; H-Cys-OH

Specifications

L-Cysteine
≥98%
121.16
1721408
L-2-Amino-3-mercaptopropionic acid; H-Cys-OH
250g
+7.9° (c=5 in 5N HCl)
52-90-4
C3H7NO2S
MFCD00064306
14,2781
≈220°C (dec.)
Odorless
Documentation

Technical Documents