3-[(3-amino-5-methyl-1H-pyrazol-1-yl)methyl]benzoic acid hydrochloride CAS 1955532-11-2
| CAS No. | 1955532-11-2 |
| Molecular Formula | C12H13N3O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 267.71 g/mol gives 3-[(3-amino-5-methyl-1H-pyrazol-1-yl)methyl]benzoic acid hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-[(3-amino-5-methyl-1H-pyrazol-1-yl)methyl]benzoic acid hydrochloride (CAS 1955532-11-2), molecular formula C12H13N3O2HCl and molecular weight 267.71 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 3-[(3-amino-5-methyl-1H-pyrazol-1-yl)methyl]benzoic acid hydrochloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 267.71 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 3-[(3-amino-5-methyl-1H-pyrazol-1-yl)methyl]benzoic acid 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 | C12H13N3O2 HCl |
| Molecular Weight | 267.71 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 1-(3-Chloro-4-methyl-phenyl)-ethanone oxime (CAS 99846-65-8)
- 4-((N-(3-chloro-2-methylphenyl)phenylsulfonamido)methyl)benzoic acid (CAS 591744-39-7)
- Polymyxin B nonapeptide TFA (CAS 2220175-42-6)
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