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

Also known as: Methyl [2H-1,4-benzothiazin-3(4H)-one-2-yl] acetate, Methyl 3,4-dihydro-3-oxo-2H-1,4-benzothiazine-2-acetate, Methyl 2-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazin-2-yl)acetate, Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-2-acetate, 98%, Methyl 2,3-dihydro-3-oxo-4H-1,4-benzothiazine-2-acetate, (3-Oxo-3,4-dihydro-2H-benzo[1,4]thiazin-2-yl)-acetic acid methyl ester, 2-(Oxobenzothiazinyl)acetic acid methyl ester, 2-Methoxycarbonylmethyl-3-oxo-3,4-dihydro-2H-benzo<1,4>thiazin, 3,4-dihydro-2-methoxycarbonylmethyl-3-oxo-2H-1,4-benzothiazine, MFCD00087156

methyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate (CAS 7556-63-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H11NO3S and a molecular weight of 237.27500 g/mol. Key properties include a melting point of 143-147ºC(lit.), a boiling point of 410ºC at 760 mmHg, a density of 1.276g/cm3 and a flash point of 201.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7556-63-0
Jingsj CID: J-39389-5
Molecular Formula: C₁₁H₁₁NO₃S
Molecular Weight: 237.27500 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	143-147ºC(lit.)
Boiling Point	410ºC at 760 mmHg
Density	1.276g/cm3
Flash Point	201.8ºC
Exact Mass	237.04600
PSA	80.70000
LogP	1.80050
Refractive Index	1.572

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

The CAS number of methyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate is 7556-63-0.

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

methyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate has molecular formula C11H11NO3S and molecular weight 237.27500 g/mol.

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

For methyl 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate, Upstream Products: Methanol, 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetic acid, Maleic anhydride.

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 2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetate (CAS 7556-63-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39389-5 (accessed 2026-11-09).

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