Methyl 1-benzyl-3-nitro-1H-pyrazole-5-carboxylate CAS 357613-66-2
| CAS No. | 357613-66-2 |
| Molecular Formula | C12H11N3O4 |
| Molecular Weight | 261.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 1-benzyl-3-nitro-1H-pyrazole-5-carboxylate (C12H11N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Methyl 1-benzyl-3-nitro-1H-pyrazole-5-carboxylate (CAS 357613-66-2), molecular formula C12H11N3O4 and molecular weight 261.23 g/mol, is a CATO reference standard with documented purity and traceability.
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 Methyl 1-benzyl-3-nitro-1H-pyrazole-5-carboxylate 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 | C12H11N3O4 |
| Molecular Weight | 261.23 g/mol |
| Appearance | Pale yellow to 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Mesalazine Impurity 2 (CAS 876903-48-9)
- Methyl 1-benzyl-4-nitro-1H-pyrazole-3-carboxylate (CAS 407623-75-0)
- H-Gly-Glu-Gly-OH (H-8770.0250) (CAS 50997-16-5)
- Methyl 2-[(4-nitronaphthalen-1-yl)oxy]acetate (CAS 874133-46-7)
- Ethopropazine Hydrochloride (CAS 1094-08-2)
- Morpholino(1H-pyrazol-4-yl)methanone (CAS 1152749-21-7)
- 6-(Methylthio)-1-hexanamine (CAS 62580-22-7)
- Trichloropropene Oxide (CAS 3083-23-6)
- 1-(prop-2-en-1-yl)cyclopentan-1-amine (CAS 1391014-35-9)
- 3-Fluoro-4-iodo-n-methoxybenzamide (CAS 1333929-01-3)
- 3-Methyl-1-(3-methylphenyl)-1H-pyrazol-5-amine hydrochloride (CAS 1071548-24-7)
- 3-(3-(Ethoxycarbonyl)-5-(4-fluorophenyl)-2-methyl-1H-pyrrol-1-yl)propanoic acid (CAS 879329-76-7)
- 5-Hydroxy-6-methyl-3,4-dihydronaphthalen-1(2H)-one (CAS 41552-07-2)
- D-[Ser]8-Semaglutide (CAS CATO-C4X-2226207)
Why CATO?
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