3-(3-Thienyl)-DL-alanine

Also known as: DL-3-Thienylalanine, 3-(3-Thienyl)-DL-alanine, 2-amino-3-(thiophen-3-yl)propanoic acid, 3-Thiophenealanine, 2-azanyl-3-thiophen-3-yl-propanoic acid, 3-(Thien-3-yl)-DL-alanine, Alanine, 3-(3-thienyl)-, DL-, DL-β-(3-Thienyl)-alanine, SPECS AI-942/25121111

3-(3-Thienyl)-DL-alanine (CAS 3685-48-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2S and a molecular weight of 171.217 g/mol. Key properties include a boiling point of 320.3±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 147.5±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3685-48-1
Jingsj CID: J-1621007-4
Molecular Formula: C₇H₉NO₂S
Molecular Weight: 171.217 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	320.3±32.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	147.5±25.1 °C
Exact Mass	171.035400
PSA	91.56000
LogP	0.79
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.608

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 3-(3-Thienyl)-DL-alanine?

The CAS number of 3-(3-Thienyl)-DL-alanine is 3685-48-1.

What are the molecular formula and molecular weight of 3-(3-Thienyl)-DL-alanine?

3-(3-Thienyl)-DL-alanine has molecular formula C7H9NO2S and molecular weight 171.217 g/mol.

What are the upstream and downstream products of 3-(3-Thienyl)-DL-alanine?

For 3-(3-Thienyl)-DL-alanine, Upstream Products: 3-Bromomethylthiophene, 3-Thiophenecarboxaldehyde, 3-(Chloromethyl)thiophene.

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. "3-(3-Thienyl)-DL-alanine (CAS 3685-48-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1621007-4 (accessed 2026-11-09).

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