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Thermo Scientific Chemicals L-Cysteine, 98+%

614.00 NOK - 8065.00 NOK

Chemical Identifiers

CAS 52-90-4
Molecular Formula C3H7NO2S
Molecular Weight (g/mol) 121.154
MDL Number MFCD00064306
InChI Key XUJNEKJLAYXESH-REOHCLBHSA-N
Synonym l-cysteine, cysteine, cystein, half-cystine, r-cysteine, thioserine, r-2-amino-3-mercaptopropanoic acid, l-+-cysteine, l-cystein, 2r-2-amino-3-sulfanylpropanoic acid
PubChem CID 5862
ChEBI CHEBI:17561
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid
SMILES C(C(C(=O)O)N)S
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Product Code Brand Quantity Price Quantity & Availability  
11488643
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Thermo Scientific Chemicals
A10435.18
50 g
614.00 NOK
50g
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11498643
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Thermo Scientific Chemicals
A10435.30
250 g
2500.00 NOK
250g
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11478643
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Thermo Scientific Chemicals
A10435.0B
1000 g
8065.00 NOK
1000g
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Description

Description

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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

52-90-4
121.154
XUJNEKJLAYXESH-REOHCLBHSA-N
5862
(2R)-2-amino-3-sulfanylpropanoic acid
C3H7NO2S
MFCD00064306
l-cysteine, cysteine, cystein, half-cystine, r-cysteine, thioserine, r-2-amino-3-mercaptopropanoic acid, l-+-cysteine, l-cystein, 2r-2-amino-3-sulfanylpropanoic acid
CHEBI:17561
C(C(C(=O)O)N)S

Especificaciones

∽220°C (decomposition)
C3H7NO2S
1721408
l-cysteine, cysteine, cystein, half-cystine, r-cysteine, thioserine, r-2-amino-3-mercaptopropanoic acid, l-+-cysteine, l-cystein, 2r-2-amino-3-sulfanylpropanoic acid
XUJNEKJLAYXESH-REOHCLBHSA-N
(2R)-2-amino-3-sulfanylpropanoic acid
5862
121.16
≥98%
52-90-4
MFCD00064306
14,2781
Soluble in water,alcohol,acetic acid and aqueous ammonia. Insoluble in ether,acetone,ethyl acetate,benzene,carbon disulfide and carbon tetrachloride
C(C(C(=O)O)N)S
121.154
CHEBI:17561
Air Sensitive
L-Cysteine
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Seguridad y manipulación

Seguridad y manipulación

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

missing translation for 'einecsNumber' : 200-158-2

missing translation for 'rtecsNumber' : HA1600000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures; Store under Nitrogen

SDS
Documentos

Documentos

Certificados

RUO – Research Use Only

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