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Carboxylic Acids & Salts

H-Asp(OtBu)-OH

Available on request

Order H-Asp(OtBu)-OH (CAS 3057-74-7) online at Zemixal: C8H15NO4, COA and SDS with every lot, worldwide shipping. Packs from 100 mg.

Pack sizes
H-Asp(OtBu)-OH chemical structure
CAS number3057-74-7
FormulaC8H15NO4
Molar mass189.21 g/mol
InChIKeyMXWMFBYWXMXRPD-YFKPBYRVSA-N
IUPAC name(2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid

About H-Asp(OtBu)-OH

H-Asp(OtBu)-OH sits in our carboxylic Acids & Salts section and ships worldwide from stock or short lead time. Key data: CAS 3057-74-7, formula C8H15NO4 and molar mass 189.21 g/mol.

Where it is used

  • Organic synthesis
  • API synthesis

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

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 H-Asp(OtBu)-OH
Product nameH-Asp(OtBu)-OH
Catalogue numberZX-041449
CAS number3057-74-7
IUPAC name(2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid
Molecular formulaC8H15NO4
Molar mass189.21 g/mol
Exact mass189.1001
XLogP3-1.4
H-bond donors / acceptors2 / 5
Topological polar surface area89.6 Ų
InChIKeyMXWMFBYWXMXRPD-YFKPBYRVSA-N
SMILESCC(C)(C)OC(=O)C[C@@H](C(=O)O)N
PubChem CID7010570
Synonyms4-tert-Butyl hydrogen L-aspartate, 4-(1,1-Dimethylethyl) hydrogen L-aspartate, L-Aspartic acid 4-tert-butyl ester, (S)-2-Amino-4-(tert-butoxy)-4-oxobutanoic acid, (2S)-2-amino-4-(tert-butoxy)-4-oxobutanoic acid, 4-tert-Butyl L-Aspartate, l-aspartic acid, 4-(1,1-dimethylethyl) ester, L-Aspartic acid 4-t-butyl ester, (S)-2-amino-4-tert-butoxy-4-oxobutanoic acid, Asp(OBut), (2S)-2-Amino-4-tert-butoxy-4-oxo-butanoic acid, Asp(But)

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 H-Asp(OtBu)-OH
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 H-Asp(OtBu)-OH

Which CAS number identifies H-Asp(OtBu)-OH?
H-Asp(OtBu)-OH is registered under CAS 3057-74-7. You may also see it listed as 4-tert-Butyl hydrogen L-aspartate, 4-(1,1-Dimethylethyl) hydrogen L-aspartate, L-Aspartic acid 4-tert-butyl ester. Our catalogue number for this item is ZX-041449.
What are the formula and molar mass of H-Asp(OtBu)-OH?
For H-Asp(OtBu)-OH, its formula is C8H15NO4 and its molar mass is 189.21 g/mol. The systematic (IUPAC) name is (2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid. InChIKey MXWMFBYWXMXRPD-YFKPBYRVSA-N lets you match it in any structure database.
What grade and pack sizes are available for H-Asp(OtBu)-OH?
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 H-Asp(OtBu)-OH?
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 H-Asp(OtBu)-OH to my country?
Yes. Because H-Asp(OtBu)-OH 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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