Fmoc-L-Ala-tert-butyl ester

Name: Fmoc-L-Ala-tert-butyl ester
Brand: Vaqora Chemicals
SKU: VQ-032698

About Fmoc-L-Ala-tert-butyl ester

Vaqora Chemicals supplies Fmoc-L-Ala-tert-butyl ester, an impurity of Leucine registered under CAS number 71953-00-9. Formula C22H25NO4, molecular weight 367.4 g/mol. The IUPAC name is tert-butyl (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoate.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Leucine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Fmoc-L-Ala-tert-butyl ester in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Leucine

View every impurity, metabolite and intermediate we list for Leucine.

Leucine impurities

Specifications & identifiers

Chemical identifiers
Product name	Fmoc-L-Ala-tert-butyl ester
Catalogue No.	VQ-032698
CAS Number	71953-00-9
IUPAC name	tert-butyl (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoate
Molecular formula	C₂₂H₂₅NO₄
Molecular weight	367.4 g/mol
Exact mass	367.1784
Grade	Reference Standard
HSN code	38229090
InChIKey	YCONQKUYCNMLCA-AWEZNQCLSA-N
SMILES	C[C@@H](C(=O)OC(C)(C)C)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
PubChem CID	20588163

Physical properties
Physical form	Solid
LogP (XLogP3)	4.4
H-bond donors / acceptors	1 / 4
TPSA	64.6 Å²

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-L-Ala-tert-butyl ester?

The CAS Registry Number of Fmoc-L-Ala-tert-butyl ester is 71953-00-9. It is also known as tert-Butyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-alaninate.

What is the molecular formula and molecular weight of Fmoc-L-Ala-tert-butyl ester?

Fmoc-L-Ala-tert-butyl ester has the molecular formula C22H25NO4 and a molecular weight of 367.4 g/mol. Its IUPAC name is tert-butyl (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoate.

What is Fmoc-L-Ala-tert-butyl ester used for?

Fmoc-L-Ala-tert-butyl ester is supplied as a characterised reference material related to Leucine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Fmoc-L-Ala-tert-butyl ester can I order?

We supply Fmoc-L-Ala-tert-butyl ester in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Fmoc-L-Ala-tert-butyl ester?

Yes. Every lot of Fmoc-L-Ala-tert-butyl ester 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-L-Ala-tert-butyl ester be shipped internationally?

Yes. We export Fmoc-L-Ala-tert-butyl ester worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.