3-(2,5-Dimethoxyphenyl)-1H-pyrazol-5-amine hydrochloride CAS 501902-79-0
| CAS No. | 501902-79-0 |
| Molecular Formula | C11H13N3O2 |
| Molecular Weight | 219.24 g/mol |
| 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 3-(2,5-Dimethoxyphenyl)-1H-pyrazol-5-amine hydrochloride.
3-(2,5-Dimethoxyphenyl)-1H-pyrazol-5-amine hydrochloride (CAS 501902-79-0) is a high-purity analytical reference standard with the molecular formula C11H13N3O2 and a molecular weight of 219.24 g/mol.
Based on its molecular formula C11H13N3O2, 3-(2,5-Dimethoxyphenyl)-1H-pyrazol-5-amine hydrochloride contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.24 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 3-(2,5-Dimethoxyphenyl)-1H-pyrazol-5-amine hydrochloride 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 | C11H13N3O2 |
| Molecular Weight | 219.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
Related Dimethoxyphenyl Standards
- 5-(3,4-Dimethoxyphenyl)-3-methyl-1H-1,2,4-triazole (CAS 1094483-83-6)
- 3-(3,5-Dimethoxyphenyl)-1H-pyrazol-4-amine (CAS 1710854-02-6)
- 2-(3,4-Dimethoxyphenyl)-3-oxobutanenitrile (CAS 18133-46-5)
- 4-(2,4-Dimethoxyphenyl)-1H-pyrazol-3-amine (CAS 909858-12-4)
- 4-(3,4-Dimethoxyphenyl)-1H-pyrazol-3-amine (CAS 278600-50-3)
- 5-(3,4-dimethoxyphenyl)-1H-pyrazol-3-amine (CAS 208519-08-8)
- 5-(3,4-Dimethoxyphenyl)-2-methyloxazole (CAS 22796-22-1)
- 5-(3,5-Dimethoxyphenyl)-1H-pyrazol-3-amine (CAS 569655-99-8)
Recommended Standards
- 3-(1H-benzo[d]imidazol-2-yl)benzonitrile (CAS 906816-19-1)
- 3-(2-Ethoxy-6-methylpyridin-3-yl)-5-methyl-1,2,4-oxadiazole (CAS 724744-39-2)
- 2-Phenylimidazo[1,2-a]pyridine-6-carbonitrile (CAS 214958-29-9)
- 3-(2-Oxo-1,2,3,4-tetrahydroquinolin-1-yl)propanoic acid (CAS 933740-08-0)
- RS 102895 (CAS 300815-41-2)
- 2-Chloro-4-hydrazinyl-1,8-naphthyridine (CAS 2091037-05-5)
- Prochlorperazine RC 4 (CAS 84-97-9)
- Tert-butyl n-{2-[(hydrazinecarbonyl)amino]ethyl}carbamate (CAS 1311314-62-1)
- 5-Methoxypyrimidine-4(3H)-thione (CAS 51793-91-0)
- 2-Bromo-4-phenylnicotinonitrile (CAS 65996-19-2)
- N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-N-methyl-D-serine (CAS 1210833-53-6)
- 3-chloro-2-[3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazol-1-yl]aniline (CAS 937604-47-2)
- 2-(2-bromoethyl)-1-methyl-1H-imidazole hydrobromide (CAS 1803597-83-2)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
Why CATO?
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