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VAQORACHEMICALS

Fmoc-L-Ser-(tbu)-OH, ≥98%

Synonyms: Fmoc-O-tert-butyl-L-serine · O-(tert-Butyl)-N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-serine · O-(tert-butyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine · N-Fmoc-O-tert-butyl-DL-serine

CAS No.71989-33-8
FormulaC22H25NO5
Mol. weight383.40
Catalogue No.VQ-002280
Purity≥98%
HSN29332990

Fmoc-L-Ser-(tbu)-OH (CAS 71989-33-8) – protected amino acid, ≥98%. C22H25NO5, MW 383.4. Buy from Vaqora Chemicals with COA and worldwide shipping.

Pack sizesPrice on quotation · bulk available
10 g
25 g
100 g
1 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Fmoc-L-Ser-(tbu)-OH, ≥98%

Vaqora Chemicals supplies Fmoc-L-Ser-(tbu)-OH, a protected amino acid registered under CAS number 71989-33-8, specified at ≥98% purity. With the molecular formula C22H25NO5, it has a molar mass of 383.4 g/mol. Systematically, it is named 2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]propanoic acid. Alternative names: Fmoc-O-tert-butyl-L-serine and N-Fmoc-O-tert-butyl-DL-serine.

It is supplied as colourless or white powder or crystals. Store it at 2–8 °C, in a tightly closed container. It carries the GHS signal word “Warning” with 8 hazard statements. Review the Safety Data Sheet before use.

Key uses span solid-phase peptide synthesis (SPPS), peptide drug discovery, medicinal chemistry and protein and peptide research. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies Fmoc-L-Ser-(tbu)-OH in 10 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

  • Solid-phase peptide synthesis (SPPS)
  • Peptide drug discovery
  • Medicinal chemistry
  • Protein & peptide research

Industries

Specifications & identifiers

Chemical identifiers
Product nameFmoc-L-Ser-(tbu)-OH, ≥98%
Catalogue No.VQ-002280
CAS Number71989-33-8
IUPAC name2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]propanoic acid
Molecular formulaC22H25NO5
Molecular weight383.4 g/mol
Exact mass383.1733
Purity / assay≥98%
HSN code29332990
InChIKeyREITVGIIZHFVGU-UHFFFAOYSA-N
SMILESCC(C)(C)OCC(C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
PubChem CID3085671
Physical properties
Physical formCrystalline
AppearanceColourless or white powder or crystals
LogP (XLogP3)3.5
H-bond donors / acceptors2 / 5
TPSA84.9 Ų
Storage2–8 °C
SynonymsFmoc-O-tert-butyl-L-serine, O-(tert-Butyl)-N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-serine, O-(tert-butyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine, N-Fmoc-O-tert-butyl-DL-serine, 3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid, O-tert-Butyl-N-Fmoc-L-serine, Fmoc-D-Ser(But)-OH, N-(9-Fluorenylmethoxycarbonyl)-O-tert-butyl-L-serine, FLS-1733-PI, 3-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid, N-alpha-FMOC-O-t-BUTYL-L-SERINE, N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)serine

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation
  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P333 + 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

Other grades of CAS 71989-33-8

Frequently asked questions

What is the CAS number of Fmoc-L-Ser-(tbu)-OH, ≥98%?

The CAS Registry Number of Fmoc-L-Ser-(tbu)-OH, ≥98% is 71989-33-8. It is also known as Fmoc-O-tert-butyl-L-serine, O-(tert-Butyl)-N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-serine, O-(tert-butyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine.

What is the molecular formula and molecular weight of Fmoc-L-Ser-(tbu)-OH, ≥98%?

Fmoc-L-Ser-(tbu)-OH, ≥98% has the molecular formula C22H25NO5 and a molecular weight of 383.4 g/mol. Its IUPAC name is 2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]propanoic acid.

Which grade and pack sizes of Fmoc-L-Ser-(tbu)-OH, ≥98% can I order?

We supply Fmoc-L-Ser-(tbu)-OH, ≥98% in (≥98%) grade, in 10 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Fmoc-L-Ser-(tbu)-OH, ≥98%?

Yes. Every lot of Fmoc-L-Ser-(tbu)-OH, ≥98% 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 Fmoc-L-Ser-(tbu)-OH, ≥98% be shipped internationally?

Yes. Fmoc-L-Ser-(tbu)-OH, ≥98% 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 Fmoc-L-Ser-(tbu)-OH, ≥98% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.

Enquire about Fmoc-L-Ser-(tbu)-OH, ≥98%

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Why buyers choose Vaqora

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  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
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  • Custom synthesis & sourcing
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