4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid
Also known as: 4-methyl-2-(3-pyridinyl)-1,3-thiazole-5-carboxylic acid, 4-methyl-2-(3-pyridyl)thiazole-5-carboxylic acid, 2-(3-pyridyl)-4-methylthiazole-5-carboxylic acid, 4-methyl-2-(3-pyridyl)-5-thiazolecarboxylic acid, 4-methyl-2-pyridin-3-yl-thiazole-5-carboxylic acid, 5-Thiazolecarboxylic acid, 4-methyl-2-(3-pyridinyl)-, MFCD00171753
4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid (CAS 39091-01-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O2S and a molecular weight of 220.248 g/mol. Key properties include a melting point of 244-248 °C (dec.)(lit.), a boiling point of 459.0±55.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 231.4±31.5 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 39091-01-5
- Jingsj CID
- J-32190-4
- Molecular Formula
- C10H8N2O2S
- Molecular Weight
- 220.248 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 244-248 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 459.0±55.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 231.4±31.5 °C |
| Exact Mass | 220.030655 |
| PSA | 91.32000 |
| LogP | 2.30 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.636 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid?
The CAS number of 4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid is 39091-01-5.
What are the molecular formula and molecular weight of 4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid?
4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid has molecular formula C10H8N2O2S and molecular weight 220.248 g/mol.
Is 4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid hazardous?
4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid?
For 4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid, Upstream Products: ethyl 4-methyl-2-(3-pyridinyl)-1,3-thiazole-5-carboxylate; Downstream Products: 4-methyl-2-pyridin-3-yl-1,3-thiazole-5-carbonyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methyl-2-(pyridin-3-yl)thiazole-5-carboxylic acid (CAS 39091-01-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32190-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.