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Protected Amino Acids (Fmoc, Boc, Cbz)

Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)

Available on request

Fmoc-Tyr(tBu)-OH, ≥98% (HPLC) (CAS 71989-38-3) supplier Zemixal: C28H29NO5, COA and SDS with every lot, worldwide shipping.

Pack sizes
Fmoc-Tyr(tBu)-OH, ≥98% (HPLC) chemical structure
CAS number71989-38-3
FormulaC28H29NO5
Molar mass459.5 g/mol
Physical formCrystalline
HS code29420090
Purity≥98%
InChIKeyJAUKCFULLJFBFN-VWLOTQADSA-N
IUPAC name(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]propanoic acid

About Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)

Researchers and plant chemists source Fmoc-Tyr(tBu)-OH, ≥98% (HPLC) from Zemixal for routine and specialised work. For your records (≥98%), the material is defined by CAS 71989-38-3, formula C28H29NO5 and molar mass 459.5 g/mol. Expect colourless to white powder or crystals.

Use cases we see most often

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

Safe handling

Store at 2–8 °C. Literature values: melting point 153-156 °C. It carries the GHS signal word Warning (H302, H312, H315 and H319), so wear gloves and eye protection and work with good ventilation.

Order it in 10 g, 25 g, 100 g and 1 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

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

Applications

Diagnostics, Life Science and BiotechResearch Labs and Universities

Grade guides

HPLC Grade

Specifications and identifiers

Specifications of Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)
Product nameFmoc-Tyr(tBu)-OH, ≥98% (HPLC)
Catalogue numberZX-002301
CAS number71989-38-3
IUPAC name(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]propanoic acid
Molecular formulaC28H29NO5
Molar mass459.5 g/mol
Exact mass459.2046
Purity / assay≥98%
Physical formCrystalline
AppearanceColourless to white powder or crystals
Melting point153-156 °C
XLogP35.6
H-bond donors / acceptors2 / 5
Topological polar surface area84.9 Ų
Storage2–8 °C
HS code29420090
InChIKeyJAUKCFULLJFBFN-VWLOTQADSA-N
SMILESCC(C)(C)OC1=CC=C(C=C1)C[C@@H](C(=O)O)NC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24
PubChem CID10895791
SynonymsN-(9-Fluorenylmethoxycarbonyl)-O-tert-butyl-L-tyrosine, Fmoc-O-tert-butyl-L-tyrosine, Fmoc-L-Tyr(tBu)-OH, (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(tert-butoxy)phenyl)propanoic acid, Nalpha-Fmoc-O-tert-butyl-L-tyrosine, O-tert-Butyl-Nalpha-Fmoc-L-tyrosine, Fmoc-Tyr(But)-OH, L-Tyrosine, O-(1,1-dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, (2S)-3-(4-tert-butoxyphenyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid, Fmoc-Tyr(t-Bu)-OH, Nalpha-[(9H-Fluoren-9-ylmethoxy)carbonyl]-O-tert-butyl-L-tyrosine, (2S)-3-[4-(tert-butoxy)phenyl]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

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
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, 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 Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)
10 gQuoted on request
25 gQuoted on request
100 gQuoted on request
1 kgQuoted on request

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

Questions about Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)

Which CAS number identifies Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)?
Fmoc-Tyr(tBu)-OH, ≥98% (HPLC) is registered under CAS 71989-38-3. You may also see it listed as N-(9-Fluorenylmethoxycarbonyl)-O-tert-butyl-L-tyrosine, Fmoc-O-tert-butyl-L-tyrosine, Fmoc-L-Tyr(tBu)-OH. Our catalogue number for this item is ZX-002301.
What are the formula and molar mass of Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)?
For Fmoc-Tyr(tBu)-OH, ≥98% (HPLC), its formula is C28H29NO5 and its molar mass is 459.5 g/mol. The systematic (IUPAC) name is (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]propanoic acid. InChIKey JAUKCFULLJFBFN-VWLOTQADSA-N lets you match it in any structure database.
What grade and pack sizes are available for Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)?
This listing is ≥98% purity. Standard packs are 10 g, 25 g, 100 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)?
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 Fmoc-Tyr(tBu)-OH, ≥98% (HPLC) to my country?
Yes. Because Fmoc-Tyr(tBu)-OH, ≥98% (HPLC) 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 Fmoc-Tyr(tBu)-OH, ≥98% (HPLC)?
2–8 °C. Keep the container closed and follow the handling advice in the SDS.

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