Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate

Also known as: 2H-1,4-Benzothiazine-2-acetic acid, 3,4-dihydro-3-oxo-, ethyl ester, 2,3-Dihydro-2-(ethoxycarbonylmethyl)-4H-benzo-1,4-thiazin-3-one, 2-Ethoxycarbonylmethyl-3,4-dihydro-3-oxo-2H-benzo-1,4-thiazin, Ethyl (3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate, Ethyl 2-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazin-2-yl)acetate

Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate (CAS 82191-17-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H13NO3S and a molecular weight of 251.30200 g/mol. Key properties include a melting point of 126ºC, a boiling point of 419ºC at 760 mmHg, a density of 1.241g/cm3 and a flash point of 207.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 82191-17-1
Jingsj CID: J-34537-9
Molecular Formula: C₁₂H₁₃NO₃S
Molecular Weight: 251.30200 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	126ºC
Boiling Point	419ºC at 760 mmHg
Density	1.241g/cm3
Flash Point	207.2ºC
Exact Mass	251.06200
PSA	80.70000
LogP	2.19060
Refractive Index	1.564

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 Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate?

The CAS number of Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate is 82191-17-1.

What are the molecular formula and molecular weight of Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate?

Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate has molecular formula C12H13NO3S and molecular weight 251.30200 g/mol.

What are the upstream and downstream products of Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate?

For Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate, Upstream Products: 2-Aminothiophenol, Diethyl maleate, Diethyl fumarate; Downstream Products: ethyl 2-(3-thioxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate.

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. "Ethyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate (CAS 82191-17-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34537-9 (accessed 2026-11-09).

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