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Carboxylic Acids & Salts

a-Methyl-L-serine

Available on request

Buy a-Methyl-L-serine (CAS 16820-18-1) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-043560.

Pack sizes
a-Methyl-L-serine chemical structure
CAS number16820-18-1
FormulaC4H9NO3
Molar mass119.12 g/mol
InChIKeyCDUUKBXTEOFITR-BYPYZUCNSA-N
IUPAC name(2S)-2-amino-3-hydroxy-2-methylpropanoic acid

About a-Methyl-L-serine

a-Methyl-L-serine is part of the Zemixal carboxylic Acids & Salts range. Identity at a glance: CAS 16820-18-1, formula C4H9NO3 and molar mass 119.12 g/mol.

Use cases we see most often

  • Organic synthesis
  • API synthesis

Storage and safety notes

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 100 mg, 250 mg, 1 g and 5 g packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of a-Methyl-L-serine
Product namea-Methyl-L-serine
Catalogue numberZX-043560
CAS number16820-18-1
IUPAC name(2S)-2-amino-3-hydroxy-2-methylpropanoic acid
Molecular formulaC4H9NO3
Molar mass119.12 g/mol
Exact mass119.0582
XLogP3-3.9
H-bond donors / acceptors3 / 4
Topological polar surface area83.6 Ų
InChIKeyCDUUKBXTEOFITR-BYPYZUCNSA-N
SMILESC[C@](CO)(C(=O)O)N
PubChem CID7000050
Synonyms(S)-alpha-MeSer, (2S)-2-amino-3-hydroxy-2-methylpropionic acid, (S)-alpha-MeSer zwitterion, 2-methyl-L-serine zwitterion, (S)-2-methylserine zwitterion, alpha-methyl-L-serine zwitterion, (S)-a-MeSer, (2S)-2-Amino-3-hydroxy-2-methylpropanoate, (2S)-2-Amino-3-hydroxy-2-methylpropionate, (+)-2-Methyl-L-serine, alpha-methyl-l-serine, L-Serine, 2-methyl-

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 a-Methyl-L-serine
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 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 a-Methyl-L-serine

Which CAS number identifies a-Methyl-L-serine?
a-Methyl-L-serine is registered under CAS 16820-18-1. You may also see it listed as (S)-alpha-MeSer, (2S)-2-amino-3-hydroxy-2-methylpropionic acid, (S)-alpha-MeSer zwitterion. Our catalogue number for this item is ZX-043560.
What are the formula and molar mass of a-Methyl-L-serine?
For a-Methyl-L-serine, its formula is C4H9NO3 and its molar mass is 119.12 g/mol. The systematic (IUPAC) name is (2S)-2-amino-3-hydroxy-2-methylpropanoic acid. InChIKey CDUUKBXTEOFITR-BYPYZUCNSA-N lets you match it in any structure database.
What grade and pack sizes are available for a-Methyl-L-serine?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with a-Methyl-L-serine?
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 a-Methyl-L-serine to my country?
Yes. Because a-Methyl-L-serine 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.

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