Methyl N-acetyl-L-cysteinate

Basic Information

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CAS Number

7652-46-2

Molecular Formula

C6H11NO3S

Molecular Weight

177.23 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Physical Properties

Melting Point

77-81 °C

SMILES

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CC(=O)NC(CS)C(=O)OC

InChI

InChI=1S/C6H11NO3S/c1-4(8)7-5(3-11)6(9)10-2/h5,11H,3H2,1-2H3,(H,7,8)/t5-/m0/s1

InChIKey

QTKAQJWFVXPIFV-YFKPBYRVSA-N

LogP

-0.4061000000000001

Topological Polar Surface Area

55.4 Å²

Hydrogen Bond Donor/Acceptor

1 / 4

Complexity

160

Synonyms & References

English

methyl (2R)-2-acetamido-3-sulfanyl-propanoate
QTKAQJWFVXPIFV-YFKPBYRVSA-N
7652-46-2
N-Acetyl-L-cysteine methyl ester (Ac-L-Cys-OMe)
MFCD00237476
Methyl acetyl-L-cysteinate
(R)-methyl 2-acetamido-3-mercaptopropanoate
A838735
N-Acetyl-L-cysteine methyl ester, >=90% (HPLC)
L-Cysteine, N-acetyl-, methyl ester
UG6
L-Cysteine,N-acetyl-, methyl ester
(R)-methyl2-acetamido-3-mercaptopropanoate
N-Acetyl-L-cysteine methyl ester; Cysteine, N-acetyl-, methyl ester, L- (6CI,7CI,8CI); N-Acetylcysteine methyl ester; Nalpha-Acetyl-L-cysteine methyl ester
SCHEMBL112332
DTXSID40227330
(2R)-2-acetamido-3-mercaptopropanoic acid methyl ester
CS-0047728
5,6-DICHLORONICOTINICACIDETHYLESTER
methyl N-acetyl-L-cysteinate
EN300-197716
AS-10678
N-Acetyl-L-cysteine methyl ester
AKOS015906923
methyl (2R)-2-acetamido-3-sulfanylpropanoate
HY-23174
(R)-Methyl 2-acetamido-3-mercaptopropanoate
L-cysteine,N-acetyl,methyl ester
N-ACETYL-L-CYSTEINE METHYL ESTER
n-acetylcysteine methyl ester
VZ33067

MDL Number

MFCD00237476

FAQ

What are the physical and chemical properties of Methyl N-acetyl-L-cysteinate (CAS: 7652-46-2)?

Methyl N-acetyl-L-cysteinate (CAS: 7652-46-2) is a crystalline compound with a molecular weight of approximately 310.33 g/mol. It has a solubility of about 10 mg/mL in water. It exhibits mild reactivity under acidic conditions and is stable in neutral to basic environments. This compound is a key intermediate in the synthesis of various pharmaceuticals and is known for its reducing properties and ability to donate electrons.

How is Methyl N-acetyl-L-cysteinate (CAS: 7652-46-2) typically synthesized?

Methyl N-acetyl-L-cysteinate (CAS: 7652-46-2) is typically synthesized through the acetylation of cysteine with acetic anhydride in the presence of a catalyst such as pyridine. The reaction proceeds under mild conditions, yielding the target compound with high selectivity and good yield. The process is well-documented in the literature and is often used in academic and industrial settings.

What industries use Methyl N-acetyl-L-cysteinate (CAS: 7652-46-2)?

Methyl N-acetyl-L-cysteinate (CAS: 7652-46-2) is primarily used in the pharmaceutical industry for the production of various drugs, particularly those involving the modification of amino acids. It also finds applications in the polymer industry for its ability to improve the physical properties of polymers, and in the semiconductor industry for its use as a precursor in the synthesis of other chemicals and materials.

What precautions should be taken when handling Methyl N-acetyl-L-cysteinate (CAS: 7652-46-2)?

When handling Methyl N-acetyl-L-cysteinate (CAS: 7652-46-2), it is important to use appropriate personal protective equipment (PPE), including gloves and safety goggles. The substance should be handled in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be managed according to the Material Safety Data Sheet (MSDS) guidelines, and the contaminated area should be thoroughly cleaned. Always refer to the latest SDS for detailed safety information and emergency procedures.