Methyl acetyl-L-cysteinate

Product Name: Methyl acetyl-L-cysteinate
CAS No.: 7652-46-2
Chemical Name: Methyl acetyl-L-cysteinate
Synonyms: Ac-Cys-Ome;AC-L-CYS-OME;(AC-CYS-OME)2;N-Acetyl-L-cysteine(OMe);Methyl acetyl-L-cysteinate;Methyl N-acetyl-L-cysteinate;ACETYL-L-CYSTINE DIMETHYL ESTER;N-ACETYL-L-CYSTEINE METHYL ESTER;L-Cysteine,N-acetyl-,methyl ester;methyl (2R)-2-acetamido-3-sulfanylpropanoate
CBNumber: CB0128632
Molecular Formula: C6H11NO3S
Formula Weight: 177.22
MOL File: 7652-46-2.mol

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Methyl acetyl-L-cysteinate Property

Melting point:: 77-81 °C
Boiling point:: 326.4±32.0 °C(Predicted)
Density: 1.170±0.06 g/cm3(Predicted)
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
solubility: Chloroform (Sparingly), Methanol (Slightly)
form: Solid
pka: 9.13±0.10(Predicted)
color: White to Off-White
optical activity: [α]20/D 24.0±3°, c = 1% in methanol
BRN: 1724357
Major Application: peptide synthesis
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
SMILES: C(OC)(=O)[C@H](CS)NC(C)=O

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Safety

Safety Statements: 22-24/25
WGK Germany: 3
F: 10-23
Storage Class: 11 - Combustible Solids

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 01042
Product name: N-Acetyl-L-cysteine methyl ester
Purity: ≥90% (HPLC)
Packaging: 5g
Price: $306
Updated: 2026/04/30

Matrix Scientific

Product number: 120861
Product name: (R)-Methyl 2-acetamido-3-mercaptopropanoate
Packaging: 1.00g
Price: $1224
Updated: 2026/05/18

Matrix Scientific

Product number: 120861
Product name: (R)-Methyl 2-acetamido-3-mercaptopropanoate
Packaging: 5.00g
Price: $3672
Updated: 2026/05/18

Synthonix

Product number: M61866
Product name: Methyl acetyl-L-cysteinate
Purity: >98%
Packaging: 1g
Price: $40
Updated: 2026/05/06

Synthonix

Product number: M61866
Product name: Methyl acetyl-L-cysteinate
Purity: >98%
Packaging: 100mg
Price: $70
Updated: 2026/05/06

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Methyl acetyl-L-cysteinate Chemical Properties,Usage,Production

Uses

N-Acetyl-L-cysteine Methyl Ester is used in the preparation of benzyl mono-fluorophosphonate and benzyl penta-fluorophosphate anions as physiologically stable phosphotyrosine mimetics and inhibitors of protein tyrosine phosphatases. It can also be used in the preparation of anthracene derivatives.

reaction suitability

reaction type: solution phase peptide synthesis

Methyl acetyl-L-cysteinate Preparation Products And Raw materials

Raw materials

Preparation Products

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Methyl acetyl-L-cysteinate Suppliers

China 87 Germany 2 India 3 Switzerland 1 United States 4 Global 97

Shandong Jirun Biomedical Technology Co., Ltd.

Tel: 0539-0539-8613587 17661611089
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Adamas Reagent, Ltd.

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Country: China
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Advantage: 59

Syntechem Co.,Ltd

Tel
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Country: China
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Shanghai Topbiochem Technology Co., Ltd

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Shanghai Macklin Biochemical Co.,Ltd.

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Nanjing Chalf-Pharm Technology Co., Ltd.

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Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.

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View Lastest Price from Methyl acetyl-L-cysteinate manufacturers

Shaanxi Dideu New Materials Co. Ltd

Product: N-ACETYL-L-CYSTEINE METHYL ESTER 7652-46-2
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98
Supply Ability: 10000KGS
Release date: 2025-12-12

JINING XINHE CHEMICAL CO., LTD

Product: N-ACETYL-L-CYSTEINE METHYL ESTER 7652-46-2
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10ton
Release date: 2024-07-20

Zhuozhou Wenxi import and Export Co., Ltd

Product: methyl (2R)-2-acetamido-3-sulfanylpropanoate 7652-46-2
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-06-26

7652-46-2, Methyl acetyl-L-cysteinateRelated Search:

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N-ACETYL-L-CYSTEINE METHYL ESTER

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Methyl acetyl-L-cysteinate

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ACETYL-L-CYSTINE DIMETHYL ESTER

AC-L-CYS-OME

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methyl (2R)-2-acetamido-3-sulfanylpropanoate

Ac-Cys-Ome

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(R)-Methyl 2-acetamido-3-mercaptopropanoate|||N-Acetyl-L-cysteine methyl ester

<i>N</i>-Acetyl-<sc>L</sc>-cysteine methyl ester

7652-46-2

Amino Acid Derivatives

Peptide Synthesis

Specialty Synthesis

Cysteine/Cystine

Amino Acid Derivatives

Cysteine/Cystine

Peptide Synthesis