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Tosyl-S-Benzyl-L-cysteine

Also known as: L-Cysteine, N-[(4-methylphenyl)sulfonyl]-S-(phenylmethyl)-, N-Tosyl-S-benzyl-L-cysteine, Tos-Cys(Bzl)-OH, (2R)-3-(benzylsulfanyl)-2-[(4-methylphenyl)sulfonylamino]propanoic acid, 2-[(4-methylphenyl)sulfonylamino]-3-(phenylmethylsulfanyl)propanoic acid, 3-(benzylthio)-2-[(4-methylphenyl)sulfonylamino]propionic acid, tosyl-S-benzylcysteine

Tosyl-S-Benzyl-L-cysteine (CAS 4703-36-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C17H19NO4S2 and a molecular weight of 365.46700 g/mol. Key properties include a boiling point of 566.5ºC at 760mmHg, a density of 1.326g/cm3 and a flash point of 296.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4703-36-0
Jingsj CID
J-1495159-8
Molecular Formula
C17H19NO4S2
Molecular Weight
365.46700 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point566.5ºC at 760mmHg
Density1.326g/cm3
Flash Point296.4ºC
Exact Mass365.07600
PSA117.15000
LogP4.13160
Refractive Index1.619

Frequently Asked Questions

What is the CAS number of Tosyl-S-Benzyl-L-cysteine?

The CAS number of Tosyl-S-Benzyl-L-cysteine is 4703-36-0.

What are the molecular formula and molecular weight of Tosyl-S-Benzyl-L-cysteine?

Tosyl-S-Benzyl-L-cysteine has molecular formula C17H19NO4S2 and molecular weight 365.46700 g/mol.

What are the upstream and downstream products of Tosyl-S-Benzyl-L-cysteine?

For Tosyl-S-Benzyl-L-cysteine, Upstream Products: S-Benzyl-L-cysteine, p-Toluenesulfonyl chloride; Downstream Products: S-Benzyl-L-cysteine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Tosyl-S-Benzyl-L-cysteine (CAS 4703-36-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495159-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.