3-Bromopyrazolo[1,5-a]pyrimidine-6-carbonitrile CAS 1211525-27-7
| CAS No. | 1211525-27-7 |
| Molecular Formula | C7H3BrN4 |
| Molecular Weight | 223.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Bromopyrazolo[1,5-a]pyrimidine-6-carbonitrile 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.
3-Bromopyrazolo[1,5-a]pyrimidine-6-carbonitrile (CAS 1211525-27-7), molecular formula C7H3BrN4 and molecular weight 223.03 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H3BrN4, 3-Bromopyrazolo[1,5-a]pyrimidine-6-carbonitrile contains a nitrile group, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 223.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C7H3BrN4 |
| Molecular Weight | 223.03 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Bromopyrazolo Standards
- 5-Bromopyrazolo[1,5-a]pyridine-3-carbonitrile (CAS 1352900-95-8)
- 3-Bromopyrazolo[1,5-a]pyridine-5-carbonitrile (CAS 1427501-82-3)
- 4-bromopyrazolo[1,5-a]pyridine-3-carbonitrile (CAS 2092153-80-3)
- 4-Bromopyrazolo[1,5-a]pyridine-7-carbonitrile (CAS 2412424-07-6)
- 6-bromopyrazolo[1,5-a]pyridin-4-ol (CAS 1207840-22-9)
- 5-Bromopyrazolo[1,5-a]pyridine-3-carbaldehyde (CAS 1101120-53-9)
- 6-Bromopyrazolo[1,5-a]pyridine-3-carbaldehyde (CAS 1356144-44-9)
- 4-Bromopyrazolo[1,5-a]pyridine-3-carbaldehyde (CAS 1356144-47-2)
Recommended Standards
- (5-(Tert-butoxycarbonyl)pyridin-3-yl)boronic acid (CAS 1203649-61-9)
- METHYL 2,3-DICHLORO-4-FLUOROBENZOATE (CAS 1214324-39-6)
- 5-Bromo-7H-pyrrolo[2,3-d]pyrimidine-4-carbonitrile (CAS 1168106-92-0)
- Methyl 3,6-dichloro-2-fluorobenzoate (CAS 1214324-43-2)
- 2-Chloro-6-(thiophen-2-yl)pyrazine (CAS 1484099-08-2)
- 2,2-Bis(4-hydroxyphenyl)acetaldehyde (CAS 103707-82-0)
- 2-((2,5-Dimethyl-1-phenyl-1H-pyrrol-3-yl)methylene)benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one (CAS 347323-96-0)
- 2,3-dimethylpyridin-4-ol (CAS 89776-31-8)
- 2-(Pyridin-4-yl)-1H-benzo[d]imidazole-5-carbaldehyde (CAS 308362-19-8)
- Methyl 5-chloro-3-ethoxythiophene-2-carboxylate (CAS 181063-66-1)
- 1-(4-Aminophenoxy)-3-(1H-benzo[d]imidazol-1-yl)propan-2-ol (CAS 856437-72-4)
- (Z)-3-(dimethylamino)-2-methyl-Acrylonitrile (CAS 28976-80-9)
- 2-(5-Methyl-1,2,4-oxadiazol-3-yl)morpholine (CAS 1444103-32-5)
- Biotinyl-Glucagon (1-29) (human, rat, porcine) trifluoroacetate salt (CAS 1802086-28-7)
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