L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) structure

L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)

TL;DR: L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) (CAS 200123-51-9) is a chemical compound with molecular formula C20H27NO5S and molecular weight 393.16 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

benzyl (2S)-2-amino-4-methylpentanoate;4-methylbenzenesulfonic acid

Also Known As: H-Leu-OBzl.TosOH, null, L-Leucine benzyl ester p-toluenesulfonate salt, L-Leucine benzyl ester tosylate, Leu-Obzl TosOH

CAS: 200123-51-9
Molecular Formula C20H27NO5S
Molecular Weight 393.16 g/mol
LogP 3.34492
Topological Polar Surface Area 106.69 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 5
Rotatable Bonds 6
Exact Mass 393.16098
Heavy Atoms 27
Complexity 802.0255

Chemical Identifiers

CAS Number 200123-51-9
SMILES CC1=CC=C(C=C1)S(=O)(=O)O.CC(C)C[C@@H](C(=O)OCC1=CC=CC=C1)N

Product Overview

L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) (CAS 200123-51-9), with molecular formula C20H27NO5S and molecular weight 393.16 g/mol. IUPAC: benzyl (2S)-2-amino-4-methylpentanoate;4-methylbenzenesulfonic acid.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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Chemical Property Profile of L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)

XLogP
3.34492
TPSA (Topological Polar Surface Area)
106.69
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
5
Rotatable Bonds
6
Heavy Atoms
27
Complexity
802.0255
Exact Mass
393.16098
Monoisotopic Mass
393.16098
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)

The XLogP value of 3.34492 indicates that L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 106.69 Ų falls within the moderate polarity range, balancing permeability and solubility for L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1). Following Lipinski's Rule of Five, L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) has 2 hydrogen bond donor(s) and 5 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)?

The CAS number of L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) is 200123-51-9.

What is the molecular formula of L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)?

The molecular formula of L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) is C20H27NO5S.

What is the molecular weight of L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)?

The molecular weight of L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) is 393.16 g/mol.

Where can I buy L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)?

You can request a quote for L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)?

Yes, KEHONG BIO provides custom synthesis services for L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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