1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbo… 129460-09-9

Name: 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98%
Brand: Vaqora Chemicals
SKU: VQ-008200

About 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98%

1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate (CAS 129460-09-9) is a carboxylic acid offered by Vaqora Chemicals, specified at 98% purity. With the molecular formula C23H25NO6, it has a molar mass of 411.4 g/mol. Systematically, it is named (3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid. Common synonyms include fmoc-asp-otbu and Fmoc-Asp(OH)-OtBu.

The material typically appears as white to almost white powder or crystals. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 5 g and 25 g packs, 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98%
Catalogue No.	VQ-008200
CAS Number	129460-09-9
IUPAC name	(3S)-3-(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	VZXQYACYLGRQJU-IBGZPJMESA-N
SMILES	CC(C)(C)OC(=O)[C@H](CC(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
PubChem CID	7017910

Physical properties
Physical form	Crystalline
Appearance	White to almost white powder or crystals
LogP (XLogP3)	3.5
H-bond donors / acceptors	2 / 6
TPSA	102 Å²
Synonyms	(S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-4-oxobutanoic acid, fmoc-asp-otbu, Fmoc-Asp(OH)-OtBu, L-Fmoc-aspartic acid alpha-t-butyl ester, N-Fmoc-L-aspartic Acid 1-tert-Butyl Ester, (3S)-4-tert-butoxy-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxo-butanoic acid, Fmoc-L-Asp-OtBu, l-fmoc-aspartic acid alpha-tert-butyl ester, L-Aspartic acid, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 1-(1,1-dimethylethyl) ester, Fmoc Asp-OtBu, N-Fmoc-L-aspartic Acid 1-(tert-Butyl) Ester, 1-tert-Butyl N-Fmoc-L-aspartate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 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 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98%?

The CAS Registry Number of 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98% is 129460-09-9. It is also known as (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-4-oxobutanoic acid, fmoc-asp-otbu, Fmoc-Asp(OH)-OtBu.

What is the molecular formula and molecular weight of 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98%?

1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98% has the molecular formula C23H25NO6 and a molecular weight of 411.4 g/mol. Its IUPAC name is (3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid.

Which grade and pack sizes of 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98% can I order?

We supply 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98% in (98%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98%?

Yes. Every lot of 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 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 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 98% be shipped internationally?

Yes. 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate, 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.