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VAQORAn-Acetyl-L-cysteine methyl ester, 90%
Synonyms: L-Cysteine, N-acetyl-, methyl ester · (R)-methyl 2-acetamido-3-mercaptopropanoate · Methyl acetyl-L-cysteinate · L-Cysteine,N-acetyl-, methyl ester
CAS No.7652-46-2
FormulaC6H11NO3S
Mol. weight177.22
Catalogue No.VQ-002409
Purity≥90%
HSN29309099
n-Acetyl-L-cysteine methyl ester (CAS 7652-46-2) – peptide synthesis reagent, Biochemistry grade, ≥90%. C6H11NO3S, MW 177.22. With COA, ships worldwide.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About n-Acetyl-L-cysteine methyl ester, 90%
Vaqora Chemicals supplies n-Acetyl-L-cysteine methyl ester (Biochemistry grade), a peptide synthesis reagent registered under CAS number 7652-46-2 with a typical assay of ≥90%. Formula C6H11NO3S, molecular weight 177.22 g/mol. Systematically, it is named methyl (2R)-2-acetamido-3-sulfanylpropanoate. Common synonyms include L-Cysteine, N-acetyl-, methyl ester and (R)-methyl 2-acetamido-3-mercaptopropanoate.
It is supplied as white to yellow powder or crystals. Literature values give a melting point of 77-81 °C. Keep the material at room temperature in a dry place and protect it from moisture. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.
Key uses span peptide coupling, solid-phase peptide synthesis and bioconjugation. It is used across academic and industrial research and diagnostics and biotechnology.
Standard pack sizes are 5 g and 25 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.
Typical applications
- Peptide coupling
- Solid-phase peptide synthesis
- Bioconjugation
Industries
Specifications & identifiers
| Product name | n-Acetyl-L-cysteine methyl ester, 90% |
|---|---|
| Catalogue No. | VQ-002409 |
| CAS Number | 7652-46-2 |
| IUPAC name | methyl (2R)-2-acetamido-3-sulfanylpropanoate |
| Molecular formula | C6H11NO3S |
| Molecular weight | 177.22 g/mol |
| Exact mass | 177.046 |
| Grade | Biochemistry |
| Purity / assay | ≥90% |
| HSN code | 29309099 |
| InChIKey | QTKAQJWFVXPIFV-YFKPBYRVSA-N |
| SMILES | CC(=O)N[C@@H](CS)C(=O)OC |
| PubChem CID | 6542158 |
| Physical form | Crystalline |
|---|---|
| Appearance | White to yellow powder or crystals |
| Melting point | 77-81 °C |
| LogP (XLogP3) | 0.7 |
| H-bond donors / acceptors | 2 / 4 |
| TPSA | 56.4 Ų |
| Storage | Room temperature |
| Synonyms | L-Cysteine, N-acetyl-, methyl ester, (R)-methyl 2-acetamido-3-mercaptopropanoate, Methyl acetyl-L-cysteinate, L-Cysteine,N-acetyl-, methyl ester, methyl N-acetyl-L-cysteinate, n-acetylcysteine methyl ester, N-Acetyl-L-cysteine methyl ester, >=90% (HPLC), Ac-Cys-Ome, (R)-methyl2-acetamido-3-mercaptopropanoate, methyl (2R)-2-acetamido-3-sulfanyl-propanoate, N-Acetyl-L-cysteine methyl ester (Ac-L-Cys-OMe), UG6 |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H302Harmful if swallowedH315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of n-Acetyl-L-cysteine methyl ester, 90%?
The CAS Registry Number of n-Acetyl-L-cysteine methyl ester, 90% is 7652-46-2. It is also known as L-Cysteine, N-acetyl-, methyl ester, (R)-methyl 2-acetamido-3-mercaptopropanoate, Methyl acetyl-L-cysteinate.
What is the molecular formula and molecular weight of n-Acetyl-L-cysteine methyl ester, 90%?
n-Acetyl-L-cysteine methyl ester, 90% has the molecular formula C6H11NO3S and a molecular weight of 177.22 g/mol. Its IUPAC name is methyl (2R)-2-acetamido-3-sulfanylpropanoate.
Which grade and pack sizes of n-Acetyl-L-cysteine methyl ester, 90% can I order?
We supply n-Acetyl-L-cysteine methyl ester, 90% in Biochemistry (≥90%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with n-Acetyl-L-cysteine methyl ester, 90%?
Yes. Every lot of n-Acetyl-L-cysteine methyl ester, 90% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can n-Acetyl-L-cysteine methyl ester, 90% be shipped internationally?
Yes. n-Acetyl-L-cysteine methyl ester, 90% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
How should n-Acetyl-L-cysteine methyl ester, 90% be stored?
Room temperature. Keep the container tightly closed and refer to the SDS for full handling guidance.
Enquire about n-Acetyl-L-cysteine methyl ester, 90%
We reply within one business day with price, pack options, lead time and documentation.
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