1-Methyl-1H-pyrrole-2-acetic acid
Also known as: 2-(1-methyl-1H-pyrrol-2-yl)acetic acid, 1-Methylpyrrole-2-acetic acid, 1-Methyl-pyrrole-2-acetic acid, (1-Methyl-1H-pyrrol-2-yl)acetic acid, 1-methyl-2-pyrrolylacetic acid, N-methylpyrrole-2-acetic acid, N-methyl-2-pyrroleacetic acid, 1H-Pyrrole-2-acetic acid, 1-methyl-
1-Methyl-1H-pyrrole-2-acetic acid (CAS 21898-59-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2 and a molecular weight of 139.152 g/mol. Key properties include a boiling point of 282.9±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 124.9±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21898-59-9
- Jingsj CID
- J-1504393-3
- Molecular Formula
- C7H9NO2
- Molecular Weight
- 139.152 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 282.9±15.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 124.9±20.4 °C |
| Exact Mass | 139.063324 |
| PSA | 42.23000 |
| LogP | 0.50 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.536 |
Frequently Asked Questions
What is the CAS number of 1-Methyl-1H-pyrrole-2-acetic acid?
The CAS number of 1-Methyl-1H-pyrrole-2-acetic acid is 21898-59-9.
What are the molecular formula and molecular weight of 1-Methyl-1H-pyrrole-2-acetic acid?
1-Methyl-1H-pyrrole-2-acetic acid has molecular formula C7H9NO2 and molecular weight 139.152 g/mol.
What are the upstream and downstream products of 1-Methyl-1H-pyrrole-2-acetic acid?
For 1-Methyl-1H-pyrrole-2-acetic acid, Upstream Products: (1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid, 1-Methylpyrrole, 1-methyl-2-pyrroleacetonitrile; Downstream Products: 2-(1-methyl-1H-pyrrol-2-yl)acetohydrazide, Methyl 1-methyl-5-(4-methylbenzoyl)-1H-pyrrole-2-acetate, Tolmetin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-1H-pyrrole-2-acetic acid (CAS 21898-59-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504393-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.