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methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate

Also known as: methyl 3,4-dihydro-3-oxo-2H-1,4-benzothiazine-6-carboxylate, methyl 3,4-dihydro-3-oxo-2H-benzo[b][1,4]thiazine-6-carboxylate, methyl 3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylate, Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate

methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate (CAS 188614-01-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO3S and a molecular weight of 223.248 g/mol. Key properties include a melting point of 180-182ºC, a boiling point of 435.7±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 217.3±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
188614-01-9
Jingsj CID
J-1509376-2
Molecular Formula
C10H9NO3S
Molecular Weight
223.248 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point180-182ºC
Boiling Point435.7±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point217.3±28.7 °C
Exact Mass223.030319
PSA80.70000
LogP1.41
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.605
Storage Conditions2-8°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 methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate?

The CAS number of methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate is 188614-01-9.

What are the molecular formula and molecular weight of methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate?

methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate has molecular formula C10H9NO3S and molecular weight 223.248 g/mol.

What are the upstream and downstream products of methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate?

For methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate, Upstream Products: Methyl thioglycolate, Methyl 3-amino-4-iodobenzoate, 4-Fluoro-3-nitrobenzoic acid; Downstream Products: 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate (CAS 188614-01-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509376-2 (accessed 2026-11-09).

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