Z-L-Tryptophan, 99%

Name: Z-L-Tryptophan, 99%
Brand: Vaqora Chemicals
SKU: VQ-002339

About Z-L-Tryptophan, 99%

Z-L-Tryptophan is a protected amino acid in Biochemistry / Puriss grade carrying the CAS registry number 7432-21-5, specified at 99% purity. The compound has the formula C19H18N2O4, corresponding to a molecular weight of 338.4 g/mol. The IUPAC name is (2S)-3-(1H-indol-3-yl)-2-(phenylmethoxycarbonylamino)propanoic acid. Common synonyms include N-Cbz-L-tryptophan and Na-Carbobenzyloxy-L-tryptophan.

In its supplied form it is a white to off-white powder. Reported physical data include a melting point of 124-127 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. 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, medicinal chemistry and pharmaceutical synthesis. It is used across academic and industrial research and diagnostics and biotechnology.

We offer Z-L-Tryptophan in 1 g, 5 g, 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Z-L-Tryptophan, 99%
Catalogue No.	VQ-002339
CAS Number	7432-21-5
IUPAC name	(2S)-3-(1H-indol-3-yl)-2-(phenylmethoxycarbonylamino)propanoic acid
Molecular formula	C₁₉H₁₈N₂O₄
Molecular weight	338.4 g/mol
Exact mass	338.1267
Grade	Biochemistry / Puriss
Purity / assay	99%
HSN code	29379020
InChIKey	AHYFYYVVAXRMKB-KRWDZBQOSA-N
SMILES	C1=CC=C(C=C1)COC(=O)N[C@@H](CC2=CNC3=CC=CC=C32)C(=O)O
PubChem CID	101176

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	124-127 °C
LogP (XLogP3)	2.3
H-bond donors / acceptors	3 / 4
TPSA	91.4 Å²
Synonyms	N-Cbz-L-tryptophan, Na-Carbobenzyloxy-L-tryptophan, z-tryptophan, Z-Trp-OH, Nalpha-Cbz-L-tryptophan, Cbz-L-Trp-OH, L-Tryptophan, N-[(phenylmethoxy)carbonyl]-, Na-Cbz-L-tryptophan, N-CBZ-tryptophane, N-Benzyloxycarbonyl-L-tryptophan, (S)-2-(((Benzyloxy)carbonyl)amino)-3-(1H-indol-3-yl)propanoic acid, Nalpha-benzyloxycarbonyl-L-tryptophan

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 Z-L-Tryptophan, 99%?

The CAS Registry Number of Z-L-Tryptophan, 99% is 7432-21-5. It is also known as N-Cbz-L-tryptophan, Na-Carbobenzyloxy-L-tryptophan, z-tryptophan.

What is the molecular formula and molecular weight of Z-L-Tryptophan, 99%?

Z-L-Tryptophan, 99% has the molecular formula C19H18N2O4 and a molecular weight of 338.4 g/mol. Its IUPAC name is (2S)-3-(1H-indol-3-yl)-2-(phenylmethoxycarbonylamino)propanoic acid.

Which grade and pack sizes of Z-L-Tryptophan, 99% can I order?

We supply Z-L-Tryptophan, 99% in Biochemistry / Puriss (99%) grade, in 1 g, 5 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 Z-L-Tryptophan, 99%?

Yes. Every lot of Z-L-Tryptophan, 99% 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 Z-L-Tryptophan, 99% be shipped internationally?

Yes. Z-L-Tryptophan, 99% 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.