![Molecular structure of Methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate (CAS 443956-13-6)](/images/chem_structures_svg/221/443956-13-6.svg)
Methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate
Also known as: 2H-Pyrido[3,2-b]-1,4-thiazine-6-carboxylic acid, 3,4-dihydro-3-oxo-, methyl ester, 3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid methyl ester, Methyl3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate, methyl 3-oxo-4H-pyrido[3,2-b][1,4]thiazine-6-carboxylate
Methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate (CAS 443956-13-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O3S and a molecular weight of 224.236 g/mol. Key properties include a boiling point of 489.6±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 249.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 443956-13-6
- Jingsj CID
- J-871853-4
- Molecular Formula
- C9H8N2O3S
- Molecular Weight
- 224.236 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 489.6±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 249.9±28.7 °C |
| Exact Mass | 224.025558 |
| PSA | 97.08000 |
| LogP | 1.14 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.611 |
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 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate?
The CAS number of Methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate is 443956-13-6.
What are the molecular formula and molecular weight of Methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate?
Methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate has molecular formula C9H8N2O3S and molecular weight 224.236 g/mol.
What are the upstream and downstream products of Methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate?
For Methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate, Upstream Products: methyl 6-amino-5-bromopicolinate, Ethyl thioglycolate, Methyl thioglycolate; Downstream Products: 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid, 6-(Hydroxymethyl)-2H-pyrido[3,2-b][1,4]thiazin-3(4H)-one, 3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carbaldehyde.
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-pyrido[3,2-b][1,4]thiazine-6-carboxylate (CAS 443956-13-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-871853-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.