1-Methyl-1H-pyrazole-4,5-diamine Sulfate CAS 20055-01-0
| CAS No. | 20055-01-0 |
| Molecular Formula | C4H8N4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C4H8N4H2O4S, 1-Methyl-1H-pyrazole-4,5-diamine Sulfate contains a carbohydrate-derived structure, an amide group, a sulfone group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 210.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-Methyl-1H-pyrazole-4,5-diamine Sulfate (CAS 20055-01-0), molecular formula C4H8N4H2O4S and molecular weight 210.21 g/mol, is a CATO reference standard with documented purity and traceability.
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), 1-Methyl-1H-pyrazole-4,5-diamine Sulfate 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 | C4H8N4 H2O4S |
| Molecular Weight | 210.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 1,3-Bis(3,4-dimethoxyphenyl)-2-methylpropane-1,3-dione (CAS 832739-36-3)
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- 1,4-Dihydrofuro[3,4-b]pyrazine-2,3,5,7-tetraone (CAS 58084-26-7)
- 2-(4-bromo-2-methoxyphenyl)pyrrolidine hydrochloride (CAS 2060051-56-9)
- Methyl (2S)-2-amino-3-{[(4-methoxyphenyl)methyl]sulfanyl}-3-methylbutanoate (CAS 1820576-01-9)
- 4-(1-Methyl-1h-pyrrole-2-carbonyl)morpholine-2-carboxylic acid (CAS 1291609-01-2)
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