Fmoc-D-Asp(OtBu)-OH, 98%

About Fmoc-D-Asp(OtBu)-OH, 98%

Fmoc-D-Asp(OtBu)-OH is a protected amino acid carrying the CAS registry number 112883-39-3 at a purity of 98%. Formula C23H25NO6, molecular weight 411.4 g/mol. Systematically, it is named (2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid. Common synonyms include Fmoc-D-aspartic acid 4-tert-butyl ester and fmoc-d-aspartic acid beta-tert-butyl ester.

It is supplied as white to beige powder or crystals. Literature values give a melting point of 146-151 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for solid-phase peptide synthesis (SPPS), peptide drug discovery and medicinal chemistry. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

We offer Fmoc-D-Asp(OtBu)-OH in 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Fmoc-D-Asp(OtBu)-OH, 98%
Catalogue No.	VQ-002246
CAS Number	112883-39-3
IUPAC name	(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid
Molecular formula	C₂₃H₂₅NO₆
Molecular weight	411.4 g/mol
Exact mass	411.1682
Purity / assay	98%
HSN code	29420090
InChIKey	FODJWPHPWBKDON-LJQANCHMSA-N
SMILES	CC(C)(C)OC(=O)C[C@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
PubChem CID	7018816

Physical properties
Physical form	Crystalline
Appearance	White to beige powder or crystals
Melting point	146-151 °C
LogP (XLogP3)	3.5
H-bond donors / acceptors	2 / 6
TPSA	102 Å²
Synonyms	Fmoc-D-aspartic acid 4-tert-butyl ester, 4-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-D-aspartate, 4-tert-Butyl N-((9H-Fluoren-9-ylmethoxy)carbonyl)-D-aspartate, fmoc-d-aspartic acid beta-tert-butyl ester, (2R)-4-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoic acid, Fmoc-D-Asp(tBu)-OH, Fmoc-DAsp(OtBu), Fmoc-DAsp(OtBu)-OH, Fmoc-D-Asp(OtBu)-OH, 98%, 4-tert-Butyl N-Fmoc-D-aspartate, N-Fmoc-D-aspartic Acid 4-tert-Butyl Ester, N-alpha-Fmoc-D-aspartic Acid beta-tert-Butyl Ester

Safety & hazard information (GHS)

Environmental hazard

Signal word: Warning

Hazard statements

H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P273, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Fmoc-D-Asp(OtBu)-OH, 98%?

The CAS Registry Number of Fmoc-D-Asp(OtBu)-OH, 98% is 112883-39-3. It is also known as Fmoc-D-aspartic acid 4-tert-butyl ester, 4-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-D-aspartate, 4-tert-Butyl N-((9H-Fluoren-9-ylmethoxy)carbonyl)-D-aspartate.

What is the molecular formula and molecular weight of Fmoc-D-Asp(OtBu)-OH, 98%?

Fmoc-D-Asp(OtBu)-OH, 98% has the molecular formula C23H25NO6 and a molecular weight of 411.4 g/mol. Its IUPAC name is (2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid.

Which grade and pack sizes of Fmoc-D-Asp(OtBu)-OH, 98% can I order?

We supply Fmoc-D-Asp(OtBu)-OH, 98% 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-Asp(OtBu)-OH, 98%?

Yes. Every lot of Fmoc-D-Asp(OtBu)-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-D-Asp(OtBu)-OH, 98% be shipped internationally?

Yes. Fmoc-D-Asp(OtBu)-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.