5-Methyl-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylic acid CAS 1429505-75-8
| CAS No. | 1429505-75-8 |
| Molecular Formula | C10H9N3O2 |
| Molecular Weight | 203.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methyl-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylic acid (CAS 1429505-75-8) is a high-purity analytical reference standard with the molecular formula C10H9N3O2 and a molecular weight of 203.20 g/mol.
Structurally, 5-Methyl-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylic acid (C10H9N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 203.20 g/mol, it falls into the medium-molecular-weight range. 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).
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 5-Methyl-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylic acid 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 | C10H9N3O2 |
| Molecular Weight | 203.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 2-(5-(Pyridin-3-yl)-4H-1,2,4-triazol-3-yl)acetamide (CAS 1018155-92-4)
- 2-(3-(Pyridin-2-yl)-1H-pyrazol-1-yl)acetic acid (CAS 1019008-17-3)
- 4-Methyl-2-(pyridin-2-yl)-1H-imidazole-5-carboxylic acid (CAS 1083318-27-7)
- 3-Methyl-1-(pyridin-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 1104279-87-9)
- 1-methyl-3-(pyridin-3-yl)-1H-pyrazole-4-carboxylic acid (CAS 1152510-52-5)
- 1-Methyl-3-(pyridin-4-yl)-1h-pyrazole-4-carboxylic acid (CAS 1152510-62-7)
- 1-Methyl-3-(pyridin-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 1152510-81-0)
- 1-(Pyridin-2-ylmethyl)-1h-pyrazole-4-carboxylic acid (CAS 1153373-39-7)
Recommended Standards
- 4-((4H-1,2,4-Triazol-3-yl)methyl)benzoic acid (CAS 1423033-63-9)
- 4-Amino-7-methylcinnoline-3-carboxylic acid (CAS 143232-60-4)
- 5-(Phenylamino)-1H-pyrazole-3-carboxylic acid (CAS 142115-63-7)
- N-[3-(Trifluoromethyl)benzyl]ethylamine (CAS 14355-04-5)
- 1-iodo-3-(trifluoromethyl)bicyclo[1.1.1]pentane (CAS 119934-12-2)
- 7-Hydroxy-3-(4-methoxyphenoxy)-4H-chromen-4-one (CAS 137987-99-6)
- 1,4-Di-tert-butyl 2-methyl 1,4-diazepane-1,2,4-tricarboxylate (CAS 1381946-82-2)
- 1-(2,4-Dihydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)phenyl)ethan-1-one (CAS 26089-54-3)
- <SC>D</SC>-Sodium 3-hydroxybutyrate-1,3-<SUP>13</SUP>C<SUB>2</SUB> (CAS 1217437-29-0)
- 2-((1-Acetyl-1H-pyrrol-2-yl)methylene)malononitrile (CAS 845294-44-2)
- 4-(Hydroxymethyl)bicyclo[2.2.1]Heptane-1-carbonitrile (CAS 1934515-88-4)
- N-methylquinoxalin-2-amine (CAS 6479-17-0)
- 4-PYridinol hydrate (CAS 158868-14-5)
- Autoinducing Peptide I trifluoroacetate salt (CAS 200010-29-3)
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