L-Alanine benzyl ester p-toluenesulphonate salt, 98%+
Synonyms: L-Alanine benzyl ester p-toluenesulfonate salt · O-Benzyl-L-alanine toluene-p-sulphonate · Benzyl 2-aminopropanoate 4-methylbenzenesulfonate · H-DL-Ala-OBzl.TosOH
L-Alanine benzyl ester p-toluenesulphonate salt (CAS 42854-62-6) – peptide synthesis reagent, Biochemistry grade, ≥98%. C17H21NO5S, MW 351.4. COA included.
About L-Alanine benzyl ester p-toluenesulphonate salt, 98%+
L-Alanine benzyl ester p-toluenesulphonate salt (CAS 42854-62-6) is a peptide synthesis reagent offered by Vaqora Chemicals in Biochemistry grade with a typical assay of ≥98%. Formula C17H21NO5S, molecular weight 351.4 g/mol. The IUPAC name is benzyl 2-aminopropanoate, 4-methylbenzenesulfonic acid. Common synonyms include O-Benzyl-L-alanine toluene-p-sulphonate and H-DL-Ala-OBzl.TosOH.
It is supplied as a colourless or white powder. Key physical data: a melting point of 112-116 °C. 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.
Key uses span peptide coupling, solid-phase peptide synthesis and bioconjugation. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.
Vaqora Chemicals supplies L-Alanine benzyl ester p-toluenesulphonate salt in 5 g, 25 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Peptide coupling
- Solid-phase peptide synthesis
- Bioconjugation
Industries
Specifications & identifiers
| Product name | L-Alanine benzyl ester p-toluenesulphonate salt, 98%+ |
|---|---|
| Catalogue No. | VQ-002397 |
| CAS Number | 42854-62-6 |
| IUPAC name | benzyl 2-aminopropanoate;4-methylbenzenesulfonic acid |
| Molecular formula | C17H21NO5S |
| Molecular weight | 351.4 g/mol |
| Exact mass | 351.114 |
| Grade | Biochemistry |
| Purity / assay | ≥98% |
| HSN code | 29379020 |
| InChIKey | NWOPHJSSBMABBD-UHFFFAOYSA-N |
| SMILES | CC1=CC=C(C=C1)S(=O)(=O)O.CC(C(=O)OCC1=CC=CC=C1)N |
| PubChem CID | 3084877 |
| Physical form | Powder |
|---|---|
| Appearance | Colourless or white powder |
| Melting point | 112-116 °C |
| H-bond donors / acceptors | 2 / 6 |
| TPSA | 115 Ų |
| Synonyms | L-Alanine benzyl ester p-toluenesulfonate salt, O-Benzyl-L-alanine toluene-p-sulphonate, Benzyl 2-aminopropanoate 4-methylbenzenesulfonate, H-DL-Ala-OBzl.TosOH, H-Ala-obzl.tosoh, DL-Alanine benzyl ester 4-toluenesulfonate salt, H-DL-Ala-OBzl p-tosylate, L-Alanine benzyl ester 4-toluenesulfonate, Benzyl alaninate 4-methylbenzenesulfonate, D-Alanine benzyl ester p-toluenesulfonate salt, L-Alanine, phenylmethyl ester, 4-methylbenzenesulfonate, H-DL-Ala-OBzl . p-tosylate |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H315Causes skin irritationH319Causes serious eye irritationH335May 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
Other grades of CAS 42854-62-6
Frequently asked questions
What is the CAS number of L-Alanine benzyl ester p-toluenesulphonate salt, 98%+?
The CAS Registry Number of L-Alanine benzyl ester p-toluenesulphonate salt, 98%+ is 42854-62-6. It is also known as L-Alanine benzyl ester p-toluenesulfonate salt, O-Benzyl-L-alanine toluene-p-sulphonate, Benzyl 2-aminopropanoate 4-methylbenzenesulfonate.
What is the molecular formula and molecular weight of L-Alanine benzyl ester p-toluenesulphonate salt, 98%+?
L-Alanine benzyl ester p-toluenesulphonate salt, 98%+ has the molecular formula C17H21NO5S and a molecular weight of 351.4 g/mol.
Which grade and pack sizes of L-Alanine benzyl ester p-toluenesulphonate salt, 98%+ can I order?
We supply L-Alanine benzyl ester p-toluenesulphonate salt, 98%+ in Biochemistry (≥98%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with L-Alanine benzyl ester p-toluenesulphonate salt, 98%+?
Yes. Every lot of L-Alanine benzyl ester p-toluenesulphonate salt, 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 L-Alanine benzyl ester p-toluenesulphonate salt, 98%+ be shipped internationally?
Yes. L-Alanine benzyl ester p-toluenesulphonate salt, 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.
Enquire about L-Alanine benzyl ester p-toluenesulphonate salt, 98%+
We reply within one business day with price, pack options, lead time and documentation.