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Peptide Synthesis Reagents

n-Acetyl-L-cysteine methyl ester, 90%

BiochemistryAvailable on request

Order n-Acetyl-L-cysteine methyl ester, 90% (CAS 7652-46-2) online at Zemixal: C6H11NO3S, COA and SDS with every lot, worldwide shipping.

Pack sizes
n-Acetyl-L-cysteine methyl ester, 90% chemical structure
CAS number7652-46-2
FormulaC6H11NO3S
Molar mass177.22 g/mol
Physical formCrystalline
HS code29309099
Purity≥90%
InChIKeyQTKAQJWFVXPIFV-YFKPBYRVSA-N
IUPAC namemethyl (2R)-2-acetamido-3-sulfanylpropanoate

About n-Acetyl-L-cysteine methyl ester, 90%

Zemixal supplies n-Acetyl-L-cysteine methyl ester, 90% within its life Science & Biochemicals portfolio. Key data (Biochemistry): CAS 7652-46-2, formula C6H11NO3S and molar mass 177.22 g/mol. Typical appearance is white to yellow powder or crystals.

Where it is used

  • Peptide coupling
  • Solid-phase peptide synthesis
  • Bioconjugation

Storage and safety notes

Keep the container room temperature. Physical constants on file: melting point 77-81 °C. Hazard communication follows GHS (Warning: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 5 g and 25 g packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Peptide coupling
  • Solid-phase peptide synthesis
  • Bioconjugation

Applications

Specifications and identifiers

Specifications of n-Acetyl-L-cysteine methyl ester, 90%
Product namen-Acetyl-L-cysteine methyl ester, 90%
Catalogue numberZX-002409
CAS number7652-46-2
IUPAC namemethyl (2R)-2-acetamido-3-sulfanylpropanoate
Molecular formulaC6H11NO3S
Molar mass177.22 g/mol
Exact mass177.046
GradeBiochemistry
Purity / assay≥90%
Physical formCrystalline
AppearanceWhite to yellow powder or crystals
Melting point77-81 °C
XLogP30.7
H-bond donors / acceptors2 / 4
Topological polar surface area56.4 Ų
StorageRoom temperature
HS code29309099
InChIKeyQTKAQJWFVXPIFV-YFKPBYRVSA-N
SMILESCC(=O)N[C@@H](CS)C(=O)OC
PubChem CID6542158
SynonymsL-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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of n-Acetyl-L-cysteine methyl ester, 90%
5 gQuoted on request
25 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about n-Acetyl-L-cysteine methyl ester, 90%

Which CAS number identifies n-Acetyl-L-cysteine methyl ester, 90%?
n-Acetyl-L-cysteine methyl ester, 90% is registered under CAS 7652-46-2. You may also see it listed as L-Cysteine, N-acetyl-, methyl ester, (R)-methyl 2-acetamido-3-mercaptopropanoate, Methyl acetyl-L-cysteinate. Our catalogue number for this item is ZX-002409.
What are the formula and molar mass of n-Acetyl-L-cysteine methyl ester, 90%?
For n-Acetyl-L-cysteine methyl ester, 90%, its formula is C6H11NO3S and its molar mass is 177.22 g/mol. The systematic (IUPAC) name is methyl (2R)-2-acetamido-3-sulfanylpropanoate. InChIKey QTKAQJWFVXPIFV-YFKPBYRVSA-N lets you match it in any structure database.
What grade and pack sizes are available for n-Acetyl-L-cysteine methyl ester, 90%?
This listing is Biochemistry grade with ≥90% purity. Standard packs are 5 g, 25 g. Larger quantities and custom packing can be quoted on request.
Which documents come with n-Acetyl-L-cysteine methyl ester, 90%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship n-Acetyl-L-cysteine methyl ester, 90% to my country?
Yes. Because n-Acetyl-L-cysteine methyl ester, 90% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
How do I store n-Acetyl-L-cysteine methyl ester, 90%?
Room temperature. Keep the container closed and follow the handling advice in the SDS.

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