5-methyl-3-(pyrrolidin-3-yl)-1H-1,2,4-triazole hydrochloride CAS 1909337-02-5
| CAS No. | 1909337-02-5 |
| Molecular Formula | C7H12N4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-methyl-3-(pyrrolidin-3-yl)-1H-1,2,4-triazole hydrochloride (CAS 1909337-02-5), molecular formula C7H12N4HCl and molecular weight 188.66 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-methyl-3-(pyrrolidin-3-yl)-1H-1,2,4-triazole hydrochloride (C7H12N4HCl) contains a nitrile group, chlorine substitution. 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 188.66 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 5-methyl-3-(pyrrolidin-3-yl)-1H-1,2,4-triazole hydrochloride 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 | C7H12N4 HCl |
| Molecular Weight | 188.66 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related methyl Standards
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Recommended Standards
- Indolin-4-ylmethanamine (CAS 918864-94-5)
- 2-isopropyl-5-methyl-thiophen-3-amine;hydrochloride (CAS 2567559-27-5)
- Tert-butyl (5aR,6R,6aS)-3-chloro-5-oxo-5,5a,6,6a-tetrahydrocyclopropa[4,5]cyclopenta[1,2-c]pyridine-6-carboxylate (CAS 1699742-21-6)
- 4-Bromo-N1-phenylbenzene-1,2-diamine (CAS 68765-53-7)
- Methyl 1-(2,2-difluoroethyl)-1h-pyrazole-4-carboxylate (CAS 1170853-82-3)
- 4-isopropyl-6-oxo-2-sulfanyl-1H-pyridine-3-carbonitrile (CAS 1378582-12-7)
- 3-Bromopiperidin-2-one (CAS 34433-86-8)
- methyl 6-chloro-1-(difluoromethyl)-2-oxo-1,2-dihydropyridine-4-carboxylate (CAS 1864052-04-9)
- 4-Cyclopropoxy-3-isopropylbenzamide (CAS 1243363-39-4)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
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