4,5-Diamino-1-(2-hydroxyethyl)pyrazole sulfat CAS 155601-30-2
| CAS No. | 155601-30-2 |
| Molecular Formula | C5H10N4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4,5-Diamino-1-(2-hydroxyethyl)pyrazole sulfat (CAS 155601-30-2), molecular formula C5H10N4OH2O4S and molecular weight 240.23 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,5-Diamino-1-(2-hydroxyethyl)pyrazole sulfat (C5H10N4OH2O4S) contains a carbohydrate-derived structure, an amide group, a sulfone group. 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 240.23 g/mol, it falls into the medium-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.
As a certified reference material (CRM), 4,5-Diamino-1-(2-hydroxyethyl)pyrazole sulfat 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 | C5H10N4O H2O4S |
| Molecular Weight | 240.23 g/mol |
| Purity | >95% |
| 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.) | 2001 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Diamino Standards
- 2,6-Diamino-3,5-di-(trimethylsilyl)acetylenylpyridine (CAS 1000342-76-6)
- 2,6-Diamino-4-(benzyloxy)pyrimidine (CAS 100061-59-4)
- 2,6-diamino-3H,7H,8H-imidazo[4,5-g]quinazolin-8-one (CAS 1001242-71-2)
- 4,5-diamino-2-thiouracil (CAS 1004-76-8)
- 5,6-Diamino-3,3-dimethylindolin-2-one (CAS 100568-79-4)
- 5-((2,6-Diamino-9H-purin-9-yl)methoxy)-2-hydroxy-1,3,2-dioxaphosphinane 2-oxide (CAS 100683-67-8)
- 2,8-Diamino-9-benzyl-1H-purin-6(9H)-one (CAS 100890-94-6)
- 4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt (CAS 100929-45-1)
Recommended Standards
- Methyl 3-methyl-5-phenyl-4,5-dihydroisoxazole-4-carboxylate (CAS 92234-46-3)
- 2-Hydroxy-N,N-dimethyl-6-sulfamoylbenzamide (CAS 1243429-09-5)
- 5-Amino-3-bromo-1-methylpyrazole (CAS 1357471-14-7)
- 7-benzyloxy-2,4-dichloro-6-methoxy-quinazoline (CAS 60771-18-8)
- Revefenacin Impurity 65 (CAS CATO-C4X-203165)
- 2-Aminopropan-1-ol compound with 2-methoxyethan-1-ol and propane-1,3-diol (1:1:1) (CAS 77110-54-4)
- 2-Bromo-4,6-dimethoxypyridine (CAS 276251-83-3)
- Z-Chlorolefine (CAS 97818-83-2)
- 4-Cyclohexyl-1-tosyl-1H-indole (CAS 129667-02-3)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
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