methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate

Also known as: (aS)-2-chloro-alpha-[[2-(2-thienyl)ethyl]amino]-benzeneacetic acid methyl ester, Benzeneacetic acid, 2-chloro-α-[[2-(2-thienyl)ethyl]amino]-, methyl ester, (αS)-, Clopidogrel impurity A, Clopidogrel Thienylethyl impurity, Methyl (2S)-(2-chlorophenyl){[2-(2-thienyl)ethyl]amino}acetate, S-(+)-Methyl 2-(2-chlorophenyl)-2-(2-(thiophen-2-yl)ethylamino)acetate, methyl (S)-2-(2-(thiophen-2-yl)ethylamino)-2-(2-chlorophenyl)acetate, methyl (S)-2-(2-chlorophenyl)-2-[2-(thien-2-yl)ethylamino]acetate

methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate (CAS 141109-20-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H16ClNO2S and a molecular weight of 309.811 g/mol. Key properties include a boiling point of 416.6±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 205.8±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 141109-20-8
Jingsj CID: J-1368667-4
Molecular Formula: C₁₅H₁₆ClNO₂S
Molecular Weight: 309.811 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	416.6±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	205.8±28.7 °C
Exact Mass	309.059021
PSA	66.57000
LogP	4.26
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.586

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate?

The CAS number of methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate is 141109-20-8.

What are the molecular formula and molecular weight of methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate?

methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate has molecular formula C15H16ClNO2S and molecular weight 309.811 g/mol.

What are the upstream and downstream products of methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate?

For methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate, Upstream Products: 2-(2-Thienyl)ethyl 4-methylbenzenesulfonate, (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate, (S)-(+)-2-Chlorophenylglycine methyl ester hydrochloride; Downstream Products: Clopidogrel.

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

Last updated: 8/21/2026

How to cite: Jingsj. "methyl (2S)-2-(2-chlorophenyl)-2-(2-thiophen-2-ylethylamino)acetate (CAS 141109-20-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368667-4 (accessed 2026-11-09).

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