Boc-l-phenylalanine methyl ester, 98%+

About Boc-l-phenylalanine methyl ester, 98%+

Boc-l-phenylalanine methyl ester is a protected amino acid (Biochemistry grade) carrying the CAS registry number 51987-73-6 with a typical assay of ≥98%. Its molecular formula is C15H21NO4 and its molecular weight is 279.33 g/mol. Its systematic (IUPAC) name is methyl (2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylpropanoate. Common synonyms include Boc-Phe-OMe and N-Boc-L-phenylalanine methyl ester.

The product is provided as a solid. Literature values give a melting point of 36-40 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Key uses span solid-phase peptide synthesis (SPPS), peptide drug discovery and medicinal chemistry. It is used across academic and industrial research and diagnostics and biotechnology.

We offer Boc-l-phenylalanine methyl ester in 10 g, 25 g, 100 g and 1 kg 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	Boc-l-phenylalanine methyl ester, 98%+
Catalogue No.	VQ-002206
CAS Number	51987-73-6
IUPAC name	methyl (2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylpropanoate
Molecular formula	C₁₅H₂₁NO₄
Molecular weight	279.33 g/mol
Exact mass	279.1471
Grade	Biochemistry
Purity / assay	≥98%
HSN code	29379020
InChIKey	SDSWSVBXRBXPRL-LBPRGKRZSA-N
SMILES	CC(C)(C)OC(=O)N[C@@H](CC1=CC=CC=C1)C(=O)OC
PubChem CID	9882138

Physical properties
Physical form	Solid
Appearance	Solid
Melting point	36-40 °C
LogP (XLogP3)	2.3
H-bond donors / acceptors	1 / 4
TPSA	64.6 Å²
Synonyms	N-(tert-Butoxycarbonyl)-L-phenylalanine methyl ester, Boc-Phe-OMe, N-Boc-L-phenylalanine methyl ester, L-Boc-phenyl-alanine methyl ester, Methyl (tert-butoxycarbonyl)-L-phenylalaninate, (S)-methyl 2-((tert-butoxycarbonyl)amino)-3-phenylpropanoate, Boc-Phe-OMe, 98%, N-tert-butoxycarbonyl-L-phenylalanine methyl ester, Boc-phenylalanine methyl ester, (L)-Boc-phenylalanine methyl ester, t-butoxycarbonyl-L-phenylalanine methyl ester, N-tert-butoxycarbonylphenylalanine methyl ester

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 Boc-l-phenylalanine methyl ester, 98%+?

The CAS Registry Number of Boc-l-phenylalanine methyl ester, 98%+ is 51987-73-6. It is also known as N-(tert-Butoxycarbonyl)-L-phenylalanine methyl ester, Boc-Phe-OMe, N-Boc-L-phenylalanine methyl ester.

What is the molecular formula and molecular weight of Boc-l-phenylalanine methyl ester, 98%+?

Boc-l-phenylalanine methyl ester, 98%+ has the molecular formula C15H21NO4 and a molecular weight of 279.33 g/mol. Its IUPAC name is methyl (2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylpropanoate.

Which grade and pack sizes of Boc-l-phenylalanine methyl ester, 98%+ can I order?

We supply Boc-l-phenylalanine methyl ester, 98%+ in Biochemistry (≥98%) grade, in 10 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Boc-l-phenylalanine methyl ester, 98%+?

Yes. Every lot of Boc-l-phenylalanine methyl ester, 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 Boc-l-phenylalanine methyl ester, 98%+ be shipped internationally?

Yes. Boc-l-phenylalanine methyl ester, 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.