3-Methyl-1-(pyrimidin-2-yl)-1H-pyrazol-5-amine CAS 1129400-99-2
| CAS No. | 1129400-99-2 |
| Molecular Formula | C8H9N5 |
| Molecular Weight | 175.19 g/mol |
| 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.
3-Methyl-1-(pyrimidin-2-yl)-1H-pyrazol-5-amine (CAS 1129400-99-2), molecular formula C8H9N5 and molecular weight 175.19 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3-Methyl-1-(pyrimidin-2-yl)-1H-pyrazol-5-amine (C8H9N5) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 3-Methyl-1-(pyrimidin-2-yl)-1H-pyrazol-5-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H9N5 |
| Molecular Weight | 175.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 5 |
Related Methyl Standards
- (1-(Pyrimidin-2-yl)-1H-pyrazol-4-yl)methanamine (CAS 1156604-28-2)
- 1-(Pyrimidin-2-ylmethyl)-1h-pyrazol-3-amine (CAS 1247729-63-0)
- 1-(Pyrimidin-2-ylmethyl)-1H-pyrazol-4-amine (CAS 1339145-54-8)
- 3-methyl-1-(pyrimidin-4-yl)-1H-pyrazol-5-amine (CAS 1502933-87-0)
- 1-(Pyrimidin-2-ylmethyl)-1h-1,2,4-triazol-3-amine (CAS 1249601-55-5)
- 1-(Pyrimidin-2-ylmethyl)-1h-1,2,3-triazol-4-amine (CAS 1537028-04-8)
- 1-(Pyrimidin-2-yl)-1H-pyrazole-4-carbaldehyde (CAS 1156604-22-6)
- 2-(pyrimidin-5-yl)cyclohexan-1-one (CAS 124034-95-3)
Recommended Standards
- 3-Methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one (CAS 111988-01-3)
- N-(2-cyanoethyl)isonicotinamide (CAS 1131-84-6)
- [6-(1h-imidazol-1-yl)pyridin-3-yl]methanol (CAS 111205-02-8)
- (4-(1,3,4-Oxadiazol-2-yl)phenyl)methanamine (CAS 1146290-53-0)
- 1-Chloro-2,6-dimethylheptane (CAS 62597-29-9)
- 1-(3,5-Dimethylphenyl)-1h-imidazole-2-thiol (CAS 475997-95-6)
- 34547-04-1 5-[(4-Chlorophenyl)methyl]-1,3,4-oxadiazol-2(3H)-one DTXSID40618486 (CAS 34547-04-1)
- 1,3,8-Trichloro-6-methyldibenzo[b,d]furan (CAS 118174-38-2)
- 5-(2,6-Difluoro-4-(trifluoromethyl)phenoxy)-4-fluoro-2-methylaniline (CAS 2244085-14-9)
- Benzene, 4-bromo-2-(4-methoxyphenoxy)-1-nitro- (CAS 1299465-82-9)
- Gelsenicine (CAS 82354-38-9)
- 6-Bromo-2-(tert-butyl)imidazo[1,2-a]pyrimidine (CAS 947533-72-4)
- 5-Iodo-2-phenoxypyridine (CAS 352018-92-9)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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 18665070610 / Nicole.chen@cato-chem.com