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L-Alanine benzyl ester p-toluenesulfonate

Also known as: H-Ala-OBzl·TosOH, H-Ala-OBzl TosOH, L-Alanine benzyl ester 4-toluenesulfonate, L-Ala-OBzl·TosOH, Ala-OBzl TosOH, Benzyl L-alaninate 4-methylbenzenesulfonate (1:1), L-Alanine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1), MFCD00066143, EINECS 255-969-4

L-Alanine benzyl ester p-toluenesulfonate (CAS 42854-62-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C17H21NO5S and a molecular weight of 351.417 g/mol. Key properties include a melting point of 112-116 °C, a boiling point of 256.5ºC at 760mmHg and a flash point of 119.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42854-62-6
Jingsj CID
J-8287-1
Molecular Formula
C17H21NO5S
Molecular Weight
351.417 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point112-116 °C
Boiling Point256.5ºC at 760mmHg
Flash Point119.6ºC
Exact Mass351.114044
PSA115.07000
LogP4.09980
Refractive Index-5.0 ° (C=3, MeOH)

Customs & Trade Information

HS Code2922499990
SummaryHS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of L-Alanine benzyl ester p-toluenesulfonate?

The CAS number of L-Alanine benzyl ester p-toluenesulfonate is 42854-62-6.

What are the molecular formula and molecular weight of L-Alanine benzyl ester p-toluenesulfonate?

L-Alanine benzyl ester p-toluenesulfonate has molecular formula C17H21NO5S and molecular weight 351.417 g/mol.

What are the upstream and downstream products of L-Alanine benzyl ester p-toluenesulfonate?

For L-Alanine benzyl ester p-toluenesulfonate, Upstream Products: L-Alanine, p-Toluenesulfonic acid, Benzyl alcohol; Downstream Products: N-[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]-L-alanine, N-Carbobenzoxy-L-leucyl-L-alanine benzyl ester.

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

Last updated:

How to cite: Jingsj. "L-Alanine benzyl ester p-toluenesulfonate (CAS 42854-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8287-1 (accessed 2026-11-09).

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