3,5-Dimethyl-1H-1,2,4-triazole hydrochloride CAS 1215623-34-9
| CAS No. | 1215623-34-9 |
| Molecular Formula | C4H7N3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 133.58 g/mol gives 3,5-Dimethyl-1H-1,2,4-triazole hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5-Dimethyl-1H-1,2,4-triazole hydrochloride (CAS 1215623-34-9), molecular formula C4H7N3HCl and molecular weight 133.58 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,5-Dimethyl-1H-1,2,4-triazole hydrochloride (C4H7N3HCl) contains a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 133.58 g/mol, it falls into the low-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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H7N3 HCl |
| Molecular Weight | 133.58 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 3-Methylcyclopentane-1-carbonitrile (CAS 1340446-08-3)
- 4-Methoxy-<SUP>13</SUP>C, d<SUB>3</SUB>-benzoic acid-2,3,5,6-d<SUB>4</SUB> (CAS 1202864-44-5)
- (2-Fluoropyridin-3-yl)(pyridin-3-yl)methanol (CAS 944686-78-6)
- (2R,3R)-2-(2,4-dimethoxyphenyl)-1-ethyl-6-oxopiperidine-3-carboxylic acid (CAS 1071536-17-8)
- 5-Bromo-6-(dimethylamino)-4-methylpyridine-3-carbonitrile (CAS 2095410-05-0)
- 2,2-difluoro-N’-hydroxypropanimidamide (CAS 1287685-81-7)
- N-Phenyl-4,6-bis(trifluoromethyl)pyridine-2-carboxamide (CAS 1092345-00-0)
- 4-Amino-6-cyano-5-(difluoromethyl)pyridine-3-sulfonyl chloride (CAS 1806811-76-6)
- 2-Bromo-3-(2,4-dimethoxyphenyl)-1-propene (CAS 951891-09-1)
- Des-His(1)-Semaglutide (CAS CATO-C4X-2226216)
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