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VAQORAProtected Amino Acids (Fmoc, Boc, Cbz)Available on request
Fmoc-D-Thr(tBu)-OH, ≥98% (TLC)
Synonyms: Fmoc-O-tert-butyl-D-threonine · (2R,3S)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid · (2R,3S)-3-(tert-butoxy)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)butanoic acid · D-Threonine, O-(1,1-dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-
CAS No.138797-71-4
FormulaC23H27NO5
Mol. weight397.50
Catalogue No.VQ-002258
Purity≥98%
HSN29420090
Fmoc-D-Thr(tBu)-OH (CAS 138797-71-4) – protected amino acid, ≥98%. C23H27NO5, MW 397.5. Request a quote: COA, bulk packs and worldwide export.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Fmoc-D-Thr(tBu)-OH, ≥98% (TLC)
Vaqora Chemicals supplies Fmoc-D-Thr(tBu)-OH, a protected amino acid registered under CAS number 138797-71-4, specified at ≥98% purity. Formula C23H27NO5, molecular weight 397.5 g/mol. Its systematic (IUPAC) name is (2R,3S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]butanoic acid. Alternative names: Fmoc-O-tert-butyl-D-threonine and N-Fmoc-O-tert-butyl-D-threonine.
It is supplied as white to off-white powder or crystals. Literature values give a melting point of ~130 °C. Keep the material at 2–8 °C and protect it from moisture. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.
Typical applications include solid-phase peptide synthesis (SPPS), peptide drug discovery and medicinal chemistry. It is used across academic and industrial research and diagnostics and biotechnology.
Standard pack sizes are 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.
Typical applications
- Solid-phase peptide synthesis (SPPS)
- Peptide drug discovery
- Medicinal chemistry
Industries
Specifications & identifiers
| Product name | Fmoc-D-Thr(tBu)-OH, ≥98% (TLC) |
|---|---|
| Catalogue No. | VQ-002258 |
| CAS Number | 138797-71-4 |
| IUPAC name | (2R,3S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]butanoic acid |
| Molecular formula | C23H27NO5 |
| Molecular weight | 397.5 g/mol |
| Exact mass | 397.1889 |
| Purity / assay | ≥98% |
| HSN code | 29420090 |
| InChIKey | LZOLWEQBVPVDPR-VBKZILBWSA-N |
| SMILES | C[C@@H]([C@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13)OC(C)(C)C |
| PubChem CID | 7021418 |
| Physical form | Crystalline |
|---|---|
| Appearance | White to off-white powder or crystals |
| Melting point | ~130 °C |
| LogP (XLogP3) | 4 |
| H-bond donors / acceptors | 2 / 5 |
| TPSA | 84.9 Ų |
| Storage | 2–8 °C |
| Synonyms | Fmoc-O-tert-butyl-D-threonine, (2R,3S)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid, (2R,3S)-3-(tert-butoxy)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)butanoic acid, D-Threonine, O-(1,1-dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, (2S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butoxy)butanoic acid, N-Fmoc-O-tert-butyl-D-threonine, O-(1,1-Dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-threonine, N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-D-threonine, (2R,3S)-3-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid, (2R,3S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butoxy)butanoic acid, (2R,3S)-3-(tert-butoxy)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}butanoic acid, Fmoc-D-Thr(tBu)-OH, >=98.0% (TLC) |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritationH412Harmful to aquatic life with long lasting effects
Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 Fmoc-D-Thr(tBu)-OH, ≥98% (TLC)?
The CAS Registry Number of Fmoc-D-Thr(tBu)-OH, ≥98% (TLC) is 138797-71-4. It is also known as Fmoc-O-tert-butyl-D-threonine, (2R,3S)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid, (2R,3S)-3-(tert-butoxy)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)butanoic acid.
What is the molecular formula and molecular weight of Fmoc-D-Thr(tBu)-OH, ≥98% (TLC)?
Fmoc-D-Thr(tBu)-OH, ≥98% (TLC) has the molecular formula C23H27NO5 and a molecular weight of 397.5 g/mol. Its IUPAC name is (2R,3S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]butanoic acid.
Which grade and pack sizes of Fmoc-D-Thr(tBu)-OH, ≥98% (TLC) can I order?
We supply Fmoc-D-Thr(tBu)-OH, ≥98% (TLC) in (≥98%) grade, in 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Fmoc-D-Thr(tBu)-OH, ≥98% (TLC)?
Yes. Every lot of Fmoc-D-Thr(tBu)-OH, ≥98% (TLC) 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-D-Thr(tBu)-OH, ≥98% (TLC) be shipped internationally?
Yes. Fmoc-D-Thr(tBu)-OH, ≥98% (TLC) 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-D-Thr(tBu)-OH, ≥98% (TLC) be stored?
2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.
Enquire about Fmoc-D-Thr(tBu)-OH, ≥98% (TLC)
We reply within one business day with price, pack options, lead time and documentation.
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