6-(4-Nitro-1H-pyrazol-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid CAS 482574-70-9
| CAS No. | 482574-70-9 |
| Molecular Formula | C10H6N6O4 |
| Molecular Weight | 274.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 6-(4-Nitro-1H-pyrazol-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 482574-70-9), a certified reference material (molecular formula C10H6N6O4, MW 274.19 g/mol) for analytical method development and quality control.
Structurally, 6-(4-Nitro-1H-pyrazol-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (C10H6N6O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 274.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C10H6N6O4 |
| Molecular Weight | 274.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
Related Nitro Standards
- 5-Nitro-2-(5-nitrofuran-2-yl)-1H-benzo[d]imidazole (CAS 113608-77-8)
- 6-(4-Nitro-1H-pyrazol-3-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 482574-67-4)
- 5-Nitro-7-(trifluoromethyl)-1H-indole-2-carboxylic acid (CAS 2060061-45-0)
- Methyl 4-[(3-nitro-2-pyridinyl)oxy]benzenecarboxylate (CAS 341967-56-4)
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Recommended Standards
- 4-(Aminomethyl)-4-(3,4-dichlorophenyl)cyclohexanol (CAS 887978-44-1)
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- 7-methoxy-3-(2,2,2-trifluoro-1-hydroxyethyl)-4H-chromen-4-one (CAS 2922555-47-1)
- 2-Fluoro-4-methoxyphenyl trifluoromethanesulphonate (CAS 550998-23-7)
- N-(2-Fluoro-5-methylphenyl)-4-methylbenzamide (CAS 1002463-95-7)
- 2-(2-Nitrophenoxy)cyclopentan-1-ol (CAS 1183337-53-2)
- 3-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}propanoic acid hydrochloride (CAS 362690-46-8)
- 4-((2,5-Dichlorophenyl)amino)-4-oxobutanoic acid (CAS 25589-43-9)
- 4-(4-Bromostyryl)-N,N-diphenylaniline (CAS 219987-44-7)
- 5-(5-Ethyl-2-methoxyphenyl)-1H-pyrazol-3-amine (CAS 501903-15-7)
- Cysteamine Impurity 1 (CAS 2097678-00-5)
- 1-((2R,3R,4S)-3,4-Dihydroxytetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 325683-85-0)
- (2-ethyl-5-methyl-2H-1,2,3-triazol-4-yl)methanol (CAS 1864072-73-0)
- Palmitoyl Tripeptide -5 · 2 TFA (CAS 623172-56-5)
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