5-(2-Thienyl)isoxazole-3-carboxylic Acid
5-(2-噻吩基)异噁唑-3-甲酸
Also known as: 5-(2-Thienyl)-3-isoxazolecarboxylic acid, 5-Thiophen-2-yl-isoxazole-3-carboxylic acid, 5-Thien-2-ylisoxazole-3-carboxylic acid, 5-(Thiophen-2-yl)isoxazole-3-carboxylic acid, AKOS B020713, OTAVA-BB BB7020410126, RARECHEM AL BE 1296, SALOR-INT L482587-1EA, TIMTEC-BB SBB006949
5-(2-Thienyl)isoxazole-3-carboxylic Acid (CAS 763109-71-3) 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 5-(2-Thienyl)-3-isoxazolecarboxylic acid, 5-Thiophen-2-yl-isoxazole-3-carboxylic acid and 5-Thien-2-ylisoxazole-3-carboxylic acid. Key properties include a melting point of 168ºC, a boiling point of 443.4ºC at 760 mmHg, a density of 1.47g/cm3 and a flash point of 221.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 763109-71-3
- Jingsj CID
- J-1132806-1
- Molecular Formula
- C8H5NO3S
- Chinese Name
- 5-(2-噻吩基)异噁唑-3-甲酸
- Molecular Weight
- 195.19500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 168ºC |
|---|---|
| Boiling Point | 443.4ºC at 760 mmHg |
| Density | 1.47g/cm3 |
| Flash Point | 221.9ºC |
Frequently Asked Questions
What is the CAS number of 5-(2-Thienyl)isoxazole-3-carboxylic Acid?
The CAS number of 5-(2-Thienyl)isoxazole-3-carboxylic Acid is 763109-71-3.
What are the molecular formula and molecular weight of 5-(2-Thienyl)isoxazole-3-carboxylic Acid?
5-(2-Thienyl)isoxazole-3-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. "5-(2-Thienyl)isoxazole-3-carboxylic Acid (CAS 763109-71-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1132806-1 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.