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Alfa Aesar™ L-Cysteine, 98+%

$38.28 - $145.24

Chemical Identifiers

CAS 52-90-4
Molecular Formula C3H7NO2S
Formula Weight 121.16
MDL Number MFCD00064306
Beilstein 1721408
Merck Index 14,2781
Synonym L-2-Amino-3-mercaptopropionic acid; H-Cys-OH
Chemical Name or Material L-Cysteine
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1043518 SDS Alfa Aesar
A1043518
50g Each for $38.28
AAA1043530 SDS Alfa Aesar™
A1043530
250g Each for $145.24
AAA104350B SDS Alfa Aesar™
A104350B
1000g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Specifications

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.
Description & Specifications

Chemical Identifiers

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

Specifications

52-90-4
121.16
1721408
50g
≥98%
C3H7NO2S
MFCD00064306
14,2781
L-Cysteine

Safety and Handling

GHS H Statement
H302
Harmful if swallowed.

GHS P Statement
P264-P270-P301+P312-P330-P501a
Wash thoroughly after handling.
Do not eat, drink or smoke when using this product.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
Rinse mouth.

Warning

RTECSNumber : HA1600000

TSCA : TSCA