3,4-dimethyl-1H-pyrrole-2-carbonitrile CAS 26173-93-3
| CAS No. | 26173-93-3 |
| Molecular Formula | C7H12N2 |
| Molecular Weight | 124.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-dimethyl-1H-pyrrole-2-carbonitrile (CAS 26173-93-3), molecular formula C7H12N2 and molecular weight 124.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,4-dimethyl-1H-pyrrole-2-carbonitrile (C7H12N2) contains a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 124.18 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3,4-dimethyl-1H-pyrrole-2-carbonitrile 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 | C7H12N2 |
| Molecular Weight | 124.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related dimethyl Standards
- 4,4-Dimethyl-2-cyclohexen-1-one (CAS 1073-13-8)
- 2-Ethyl-1,5-dimethyl-1H-imidazole (CAS 112725-81-2)
- 1,5-Dimethyl-1H-pyrrole-2-methanamine (CAS 118799-24-9)
- (2,5-Dimethyl-1H-pyrrol-3-yl)methanamine (CAS 1368589-11-0)
- (3,5-Dimethyl-1H-pyrrol-2-yl)methanamine (CAS 1503251-51-1)
- 1-Ethyl-3,5-dimethyl-1H-pyrazole (CAS 17629-26-4)
- 3,5-Dimethyl-3-cyclohexenone (CAS 63507-69-7)
- 6,6-Dimethyl-2-cyclohexenone (CAS 6553-64-6)
Recommended Standards
- 3,4,5-Trimethylcyclopent-2-enone (CAS 55683-21-1)
- 3,5-diethyl-1H-pyrazole (CAS 2817-73-4)
- 3-(Pyrrolidin-1-yl)propanenitrile (CAS 26165-45-7)
- 3-(Prop-2-en-1-yl)cyclopentan-1-one (CAS 73057-67-7)
- 5-(6-Hydroxy-5-methylpyridin-3-yl)thiophene-2-carboxylic acid (CAS 887201-37-8)
- 4-(Aminomethyl)-2,6-difluorobenzonitrile hydrochloride (CAS 1803589-03-8)
- 3’-Hydroxy-4’-(trifluoromethyl)acetophenone (CAS 1261680-21-0)
- (1-(2-Methylindolizin-3-yl)isoquinolin-2(1H)-yl)(phenyl)methanone (CAS 65592-70-3)
- tert-Butyl 3,4,5-trihydroxybenzoate (CAS 50888-95-4)
- Lurbinectedin Impurity 9 (CAS CATO-C4X-31149)
- 2-(Difluoromethyl)-4-fluoro-6-iodo-3-methoxypyridine (CAS 1804704-20-8)
- 3-Chloro-4-morpholino-1-phenyl-1H-pyrrole-2,5-dione (CAS 103056-35-5)
- 3-Fluoro-3-(4-methoxyphenyl)-3H-diazirine (CAS 95911-65-2)
- Heme iron polypeptide(Hematin) (CAS 14875-96-8)
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