1-(Tert-butyl)-4-chloro-3-methyl-1H-pyrazol-5-amine CAS 1248446-47-0
| CAS No. | 1248446-47-0 |
| Molecular Formula | C8H14ClN3 |
| Molecular Weight | 187.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 187.67 g/mol gives 1-(Tert-butyl)-4-chloro-3-methyl-1H-pyrazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(Tert-butyl)-4-chloro-3-methyl-1H-pyrazol-5-amine (CAS 1248446-47-0), molecular formula C8H14ClN3 and molecular weight 187.67 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H14ClN3, 1-(Tert-butyl)-4-chloro-3-methyl-1H-pyrazol-5-amine contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.67 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(Tert-butyl)-4-chloro-3-methyl-1H-pyrazol-5-amine 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 | C8H14ClN3 |
| Molecular Weight | 187.67 g/mol |
| Appearance | White to pale 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- 2-Chloro-n-(dicyclopropylmethyl)acetamide (CAS 1240528-98-6)
- 4-(chloromethyl)-2-methoxy-benzonitrile (CAS 1261618-80-7)
- 2-(4-Chloro-1h-pyrazol-1-yl)-3-methylbutan-1-amine (CAS 1171746-21-6)
- 3-chloro-7,8-dihydro-6H-quinolin-5-one (CAS 127724-75-8)
- Ethyl 1-isopropyl-1,2,3-benzotriazole-5-carboxylate (CAS 1352217-61-8)
- 4-Chloro-6-methoxy-2-methyl-3-propylquinoline (CAS 3348-22-9)
- 4-Bromo-N-(tert-butyl)-3-fluorobenzamide (CAS 303084-63-1)
- 4-(3-Bromophenyl)-1,3,5-triazin-2(1H)-one (CAS 61709-05-5)
- (4-Methoxy-2,5-dimethylbenzyl)-(pyridin-4-ylmethyl)amine dihydrochloride 0222AD 1185294-65-8 C16H22Cl2N2O (CAS 1185294-65-8)
- 1-Fluoro-2-methyl-4-nitro-5-propoxybenzene (CAS 1873006-62-2)
- 4-(2-(4-Bromo-2-fluorophenoxy)ethyl)morpholine (CAS 714237-09-9)
- 4-(2-Chloroacetamido)butanoic acid (CAS 649556-05-8)
- Quinicine (CAS 84-55-9)
- Semaglutide impurity 75 (CAS CATO-C4X-222675)
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