1,2,4-Trimethyl-1H-pyrrole CAS 931-25-9
| CAS No. | 931-25-9 |
| Molecular Formula | C7H11N |
| Molecular Weight | 109.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 1,2,4-Trimethyl-1H-pyrrole (C7H11N) is characterized by a nitrile group. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 1,2,4-Trimethyl-1H-pyrrole (CAS 931-25-9), a certified reference material (molecular formula C7H11N, MW 109.17 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1,2,4-Trimethyl-1H-pyrrole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H11N |
| Molecular Weight | 109.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Trimethyl Standards
- 2,3,5-Trimethyl-1H-pyrrole (CAS 2199-41-9)
- trimethyl-(1,1,2,2-tetradeuterio-2-hydroxy-ethyl)ammonium (CAS 50673-42-2)
- 1,2,5-Trimethyl-1H-imidazole (CAS 1739-81-7)
- 1,2,4-Trimethyl-1H-imidazole (CAS 1842-63-3)
- 1,4,5-Trimethyl-1H-imidazole (CAS 20185-22-2)
- 2,4,5-Trimethyl-1H-imidazole (CAS 822-90-2)
- 3,4,5-Trimethyl-4H-1,2,4-triazole (CAS 16759-45-8)
- Trimethyl-d9-acetic acid (CAS 42983-07-3)
Recommended Standards
- 1-(2-Propyn-1-yl)pyrrolidine (CAS 7223-42-9)
- 1-Ethynylcyclopentan-1-amine (CAS 42785-71-7)
- 2-Ethynylpyridine (CAS 1945-84-2)
- 1-Isopropyl-1H-pyrrole (CAS 7057-97-8)
- 3-[(2-methyl-2,3-dihydro-1H-indol-1-yl)methyl]furan-2-carboxylic acid (CAS 1094432-91-3)
- 2-Cyano-N-(4-(N-(3,4-dimethylisoxazol-5-yl)sulfamoyl)phenyl)acetamide (CAS 546090-57-7)
- methyl 2-(3-hydroxyphenyl)benzoate (CAS 1251836-88-0)
- 4-(tert-Butoxy)-2-cyclopropoxy-1-methoxybenzene (CAS 1243450-63-6)
- 3-(4-pyrazolyl)piperidine (CAS 1211515-46-6)
- 2-(2-Amino-2-oxoethyl)-4-propylpyrimidine-5-carboxylic acid (CAS 1249528-23-1)
- Tert-butyl (S)-(3-hydroxy-1-(methoxy(methyl)amino)-1-oxopropan-2-yl)carbamate (CAS 122709-20-0)
- 3-Methyl-1-phenyl-6-thiophen-2-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 721916-17-2)
- 3-Bromo-4,5-dichloro-2-iodonitrobenzene (CAS 1707710-37-9)
- Liraglutide Impurity 5 TFA Salt (CAS CATO-C4X-19925)
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