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Thermo Scientific Chemicals L-Cysteine, 99+%

L-Cysteine, CAS # 52-90-4, is an essential sulfur-containing amino acid related to cystine. It plays an important role in protein synthesis. It is a precursor to the glutathione antioxidant system and iron-sulfur clusters.

Brand:  Thermo Scientific Chemicals 173600250

35.46 EUR valid until 2025-12-31
Use promo code "25339" to get your promotional price.

Quantity 25 g
Packaging Plastic Bottle

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Product Code. 10397540

  • 36.10€ / 25g

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Description

Description

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

General Description

  • L-Cysteine is an essential amino acid and is one of the building blocks required for the synthesis of proteins
  • This compound participates in the glutathione antioxidant system and iron-sulfur clusters

Applications

  • It plays a role in the production of flavors such as meat flavor obtained by reacting with sugars
  • This compound is also applied to the cleavage of disulfide bonds in keratin, the main protein in nails, skin, and hair
  • In chemical research, it is used as a crucial raw material in the manufacture of N-acetyl-L-cysteine, S-carboxymethyl-L-cysteine, and L-cysteine base
  • L-Cysteine is a component of the antioxidant glutathione and has been shown to be involved in the metabolism of essential biochemicals such as coenzyme A, heparin, and biotin
  • In vitro studies demonstrated that this compound can neutralize the activity of acetaminophen. In addition, due to its antioxidant activity this compound can protect the nervous system.
  • This compound can also bind to several metal cofactors in enzymes
TRUSTED_SUSTAINABILITY
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

Specifications

1000ppm max.
4.5 to 6 (2.5% aq. soln.)
400ppm max.
Authentic
0.5% max. (105°C, 3 hrs)
Plastic Bottle
MFCD00064306
300ppm max.
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
C(C(C(=O)O)N)S
121.154
5862
121.15
Crystalline Powder or Crystals
52-90-4
White
10ppm max.
98+%
C3H7NO2S
HSCH2CH(NH2)CO2H
+8° to +9.5° (20°C, 589nm) (c=5, 2N HCl)
0.1% max.
XUJNEKJLAYXESH-REOHCLBHSA-N
(2R)-2-amino-3-sulfanylpropanoic acid
25 g
CHEBI:17561
≥99.0% (on dried substance)
L-Cysteine
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  • L-Cysteine

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