Z-L-Valine, 99%

About Z-L-Valine, 99%

Z-L-Valine is a protected amino acid (Biochemistry / Puriss grade) carrying the CAS registry number 1149-26-4, specified at 99% purity. With the molecular formula C13H17NO4, it has a molar mass of 251.28 g/mol. Systematically, it is named (2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoic acid. Alternative names: N-Cbz-L-Valine and Z-Val-OH.

The material typically appears as a white powder or crystals or crystalline powder. Literature values give a melting point of 59-64 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span solid-phase peptide synthesis (SPPS), peptide drug discovery, medicinal chemistry and pharmaceutical synthesis. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Available in 5 g, 25 g and 5 x 1 kg packs, Z-L-Valine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Z-L-Valine, 99%
Catalogue No.	VQ-002341
CAS Number	1149-26-4
IUPAC name	(2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoic acid
Molecular formula	C₁₃H₁₇NO₄
Molecular weight	251.28 g/mol
Exact mass	251.1158
Grade	Biochemistry / Puriss
Purity / assay	99%
HSN code	29379020
InChIKey	CANZBRDGRHNSGZ-NSHDSACASA-N
SMILES	CC(C)[C@@H](C(=O)O)NC(=O)OCC1=CC=CC=C1
PubChem CID	726987

Physical properties
Physical form	Crystalline
Appearance	White powder or crystals or crystalline powder
Melting point	59-64 °C
LogP (XLogP3)	1.4
H-bond donors / acceptors	2 / 4
TPSA	75.6 Å²
Synonyms	N-Cbz-L-Valine, Z-Val-OH, Carbobenzyloxy-L-valine, N-Carbobenzyloxy-L-valine, CBZ-L-valine, N-Carbobenzoxy-L-valine, Carbobenzoxy-L-valine, Benzyloxycarbonyl-L-valine, N-Carbobenzoxyvaline, N-Benzyloxycarbonyl-(S)-valine, L-Valine, N-[(phenylmethoxy)carbonyl]-, N-Benzyloxycarbonyl-L-valine

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements: P261, P342 + P311

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-Valine, 99%?

The CAS Registry Number of Z-L-Valine, 99% is 1149-26-4. It is also known as N-Cbz-L-Valine, Z-Val-OH, Carbobenzyloxy-L-valine.

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

Z-L-Valine, 99% has the molecular formula C13H17NO4 and a molecular weight of 251.28 g/mol. Its IUPAC name is (2S)-3-methyl-2-(phenylmethoxycarbonylamino)butanoic acid.

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

We supply Z-L-Valine, 99% in Biochemistry / Puriss (99%) grade, in 5 g, 25 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Z-L-Valine, 99%?

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

Yes. Z-L-Valine, 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.