(S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol

Also known as: Efavirenz Impurity A, Efavirenz Related Compound A, (2S)-2-(2-Amino-5-chlorophenyl)-4-cyclopropyl-1,1,1-trifluorobut-3-yn-2-ol, (αS)-2-Amino-5-chloro-α-(cyclopropylethynyl)-α-(trifluoromethyl)benzenemethanol, Efavirenz IP Imp E, Efavirenz Impurity 5, (S)-2-(2-Amino-5-chlorophenyl)-4-cyclopropyl-1,1,1-trifluoro-3-butyn-2-ol, (S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol (E05)

(S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol (CAS 209414-27-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C13H11ClF3NO and a molecular weight of 289.681 g/mol. Key properties include a boiling point of 425.1±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 210.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 209414-27-7
Jingsj CID: J-884108-5
Molecular Formula: C₁₃H₁₁ClF₃NO
Molecular Weight: 289.681 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	425.1±45.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	210.9±28.7 °C
Exact Mass	289.048126
PSA	46.25000
LogP	3.78
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.575

Customs & Trade Information

HS Code	2922199090
Summary	2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol?

The CAS number of (S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol is 209414-27-7.

What are the molecular formula and molecular weight of (S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol?

(S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol has molecular formula C13H11ClF3NO and molecular weight 289.681 g/mol.

What are the upstream and downstream products of (S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol?

For (S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol, Upstream Products: Ethynylcyclopropane, 1-(2-Amino-5-chlorophenyl)-2,2,2-trifluoroethanone, 5-Chloro-1-pentyne; Downstream Products: Efavirenz.

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. "(S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol (CAS 209414-27-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-884108-5 (accessed 2026-11-09).

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