3-Methylquinoxaline-2-carboxylic acid
3-甲基-喹喔啉-2-甲酸
Also known as: 3-Methyl-2-quinoxalinecarboxylic acid, 3-Methyl-quinoxaline-2-carboxylic acid, 3-Methylchinoxalin-2-carbonsaeure, 2-Methyl-3-carboxy-chinoxalin, MQCA, RCG-210, methylquinoxalinecarboxylic acid
3-Methylquinoxaline-2-carboxylic acid (CAS 74003-63-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O2 and a molecular weight of 188.183 g/mol. It is also known as 3-Methyl-2-quinoxalinecarboxylic acid, 3-Methyl-quinoxaline-2-carboxylic acid and 3-Methylchinoxalin-2-carbonsaeure. Key properties include a melting point of 168-170ºC, a boiling point of 347.1±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 163.7±26.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74003-63-7
- Jingsj CID
- J-1973261-9
- Molecular Formula
- C10H8N2O2
- Chinese Name
- 3-甲基-喹喔啉-2-甲酸
- Molecular Weight
- 188.183 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 168-170ºC |
|---|---|
| Boiling Point | 347.1±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 163.7±26.5 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 3-Methylquinoxaline-2-carboxylic acid?
The CAS number of 3-Methylquinoxaline-2-carboxylic acid is 74003-63-7.
What are the molecular formula and molecular weight of 3-Methylquinoxaline-2-carboxylic acid?
3-Methylquinoxaline-2-carboxylic acid has molecular formula C10H8N2O2 and molecular weight 188.183 g/mol.
Is 3-Methylquinoxaline-2-carboxylic acid hazardous?
3-Methylquinoxaline-2-carboxylic acid has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylquinoxaline-2-carboxylic acid (CAS 74003-63-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1973261-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.