Boc-L-3-(3-thienyl)alanine

N-叔丁氧羰基-L-3-(3-噻吩基)丙氨酸

Also known as: Boc-L-3-Thienylalanine, Boc-3-(3-Thienyl)-L-alanine, (S)-2-((tert-Butoxycarbonyl)amino)-3-(thiophen-3-yl)propanoic acid, (S)-N-Boc-3-thienylalanine, N-(tert-Butoxycarbonyl)-3-(3-thienyl)-L-alanine, N-{[(2-Methyl-2-propanyl)oxy]carbonyl}-3-(3-thienyl)-L-alanine, MFCD01860893

Boc-L-3-(3-thienyl)alanine (CAS 83825-42-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H17NO4S and a molecular weight of 271.333 g/mol. It is also known as Boc-L-3-Thienylalanine, Boc-3-(3-Thienyl)-L-alanine and (S)-2-((tert-Butoxycarbonyl)amino)-3-(thiophen-3-yl)propanoic acid. Key properties include a boiling point of 434.7±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 216.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
83825-42-7
Jingsj CID
J-1360519-5
Molecular Formula
C12H17NO4S
Chinese Name
N-叔丁氧羰基-L-3-(3-噻吩基)丙氨酸
Molecular Weight
271.333 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point434.7±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point216.7±27.3 °C
Exact Mass271.087830
PSA103.87000
LogP2.64
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.544
Storage ConditionsStore at 0-5°C

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 Boc-L-3-(3-thienyl)alanine?

The CAS number of Boc-L-3-(3-thienyl)alanine is 83825-42-7.

What are the molecular formula and molecular weight of Boc-L-3-(3-thienyl)alanine?

Boc-L-3-(3-thienyl)alanine has molecular formula C12H17NO4S and molecular weight 271.333 g/mol.

What are the upstream and downstream products of Boc-L-3-(3-thienyl)alanine?

For Boc-L-3-(3-thienyl)alanine, Upstream Products: Di-tert-butyl dicarbonate, L-3-Thienylalanine.

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

Last updated:

How to cite: Jingsj. "Boc-L-3-(3-thienyl)alanine (CAS 83825-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360519-5 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.