2,5-Dihydro-1H-pyrazol-3-amine dihydrochloride CAS 4189-86-0
| CAS No. | 4189-86-0 |
| Molecular Formula | C3H7N3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,5-Dihydro-1H-pyrazol-3-amine dihydrochloride.
2,5-Dihydro-1H-pyrazol-3-amine dihydrochloride (CAS 4189-86-0) is a high-purity analytical reference standard with the molecular formula C3H7N3HCl and a molecular weight of 121.57 g/mol.
Based on its molecular formula C3H7N3HCl, 2,5-Dihydro-1H-pyrazol-3-amine dihydrochloride contains chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 121.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,5-Dihydro-1H-pyrazol-3-amine dihydrochloride 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 | C3H7N3 HCl |
| Molecular Weight | 121.57 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dihydro Standards
- 3-(3,6-Dihydro-2h-pyran-4-yl)benzoic acid (CAS 1000016-95-4)
- 1,7-Dihydro-dipyrrolo[2,3-b:3',2'-e]pyridine (CAS 1000342-79-9)
- Methyl 9,10-Dihydro-9-oxoacridine-4-carboxylate (CAS 100039-03-0)
- 3-(3,4-Dihydro-2h-benzo[b][1,4]dioxepin-7-yl)propan-1-ol (CAS 1000540-71-5)
- 2,5-Dihydro-1-(2-nitrophenyl)-5-oxo-1H-1,2,4-triazole-3-carboxylic acid dimethylamide (CAS 1000574-24-2)
- 5-(1,2-Dihydro-[1,1':4',1''-terphenyl]-2-yl)-3H-1,2,4-triazol-3-one (CAS 1000575-71-2)
- Ethyl 2,5-dihydro-5-oxo-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylate (CAS 1000576-65-7)
- 2,5-Dihydro-5-oxo-1-phenyl-1H-1,2,4-triazole-3-carboxylic acid (2-chlorophenyl)amide (CAS 1000576-93-1)
Recommended Standards
- 1-Chloro-4-(pent-4-en-1-yl)benzene (CAS 134831-42-8)
- Fmoc-Arg(Me)(Pbf)-OH (CAS 1135616-49-7)
- 2-Ethyl-4-methylbenzoxazole (CAS 1363166-40-8)
- Milameline (CAS 139886-32-1)
- (9h-Fluoren-9-yl)methyl 2-(3-hydroxypropyl)pyrrolidine-1-carboxylate (CAS 1344238-75-0)
- 9-Ethyl-3,6-di(pyridin-4-yl)-9H-carbazole (CAS 1425940-32-4)
- 2-(1H-Pyrazol-1-yl)propanoic acid (CAS 956722-93-3)
- 2-Methyl-N-((1-methyl-1H-pyrazol-5-yl)methyl)propan-1-amine hydrochloride (CAS 1856093-39-4)
- Hybutimibe Impurity 3 (CAS CATO-C4X-25053)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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