4-hydroxythieno[2,3-b]pyridine-5-carboxylic acid
4-羟基噻吩并[2,3-b]吡啶-5-羧酸
Also known as: 4-HYDROXYTHIENO[2,3-B]PYRIDINE-5-CARBOXYLIC ACID, 4-oxo-7H-thieno[2,3-b]pyridine-5-carboxylic acid, Thieno[2,3-b]pyridine-5-carboxylic acid, 4-hydroxy-
4-hydroxythieno[2,3-b]pyridine-5-carboxylic acid (CAS 55503-32-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5NO3S and a molecular weight of 195.19500 g/mol. It is also known as 4-HYDROXYTHIENO[2,3-B]PYRIDINE-5-CARBOXYLIC ACID, 4-oxo-7H-thieno[2,3-b]pyridine-5-carboxylic acid and Thieno[2,3-b]pyridine-5-carboxylic acid, 4-hydroxy-. Key properties include a boiling point of 435.699ºC at 760 mmHg, a density of 1.665g/cm3 and a flash point of 217.303ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55503-32-7
- Jingsj CID
- J-870071-3
- Molecular Formula
- C8H5NO3S
- Chinese Name
- 4-羟基噻吩并[2,3-b]吡啶-5-羧酸
- Molecular Weight
- 195.19500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 435.699ºC at 760 mmHg |
|---|---|
| Density | 1.665g/cm3 |
| Flash Point | 217.303ºC |
Frequently Asked Questions
What is the CAS number of 4-hydroxythieno[2,3-b]pyridine-5-carboxylic acid?
The CAS number of 4-hydroxythieno[2,3-b]pyridine-5-carboxylic acid is 55503-32-7.
What are the molecular formula and molecular weight of 4-hydroxythieno[2,3-b]pyridine-5-carboxylic acid?
4-hydroxythieno[2,3-b]pyridine-5-carboxylic acid has molecular formula C8H5NO3S and molecular weight 195.19500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-hydroxythieno[2,3-b]pyridine-5-carboxylic acid (CAS 55503-32-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-870071-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.