4-Bromo-5-methyl-1H-pyrazol-3-amine CAS 1780-72-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1780-72-9 |
| Molecular Formula | C4H6BrN3 |
| Molecular Weight | 176.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5-methyl-1H-pyrazol-3-amine (CAS 1780-72-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H6BrN3. Molecular weight: 176.01 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H6BrN3 |
| Molecular Weight | 176.01 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.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 5-Bromo-1,4-dimethyl-1H-1,2,3-triazole (CAS 1040275-55-5)
- 4-Bromo-3,5-dimethylisoxazole (CAS 10558-25-5)
- 1240612-08-1 2-Bromo-4,5-dimethyl-1,3-oxazole DTXSID50622352 (CAS 1240612-08-1)
- 4-Bromo-2-ethyl-2H-1,2,3-triazole (CAS 1248676-97-2)
- 3-Bromo-5,6-dihydropyridin-2(1H)-one (CAS 1258849-38-5)
- 5-Bromo-3-ethyl-isoxazole (CAS 1314961-74-4)
- 5-Bromo-2-ethyloxazole (CAS 1391740-26-3)
- 4-Bromo-1-ethyl-1H-1,2,3-triazole (CAS 1393532-87-0)
Recommended Standards
- 2-Bromo-N-2-propyn-1-ylacetamide (CAS 173208-24-7)
- 5-(Bromomethyl)-4-methylisoxazole (CAS 1823366-86-4)
- 2-Bromo-5-ethyloxazole (CAS 1600133-28-5)
- 4-Phenylbutyl 4-methylbenzenesulfonate (CAS 112775-09-4)
- Methyl 1-(1,1-dioxidothietan-3-yl)azetidine-2-carboxylate (CAS 1849769-97-6)
- rac-(1R,2S)-2,6-dimethyl-2,3-dihydro-1H-inden-1-amine hydrochloride (CAS 1929582-62-6)
- 1-[2,5-Dimethyl-1-(2,2,4-trimethyl-2,3-dihydro-1-benzofuran-7-yl)-1H-pyrrol-3-yl]-2,2,2-trifluoro-1-ethanone (CAS 866008-61-9)
- N-(3-(benzyloxy)propyl)tetrazolo[1,5-b]pyridazin-6-amine (CAS 930463-96-0)
- 1,1,1-Trifluoro-3-(piperidin-1-yl)propan-2-yl 3-(trifluoromethyl)benzoate (CAS 477848-36-5)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com