1-(3-cyanophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid CAS 1155575-89-5
| CAS No. | 1155575-89-5 |
| Molecular Formula | C12H9N3O2 |
| Molecular Weight | 227.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H9N3O2, 1-(3-cyanophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid 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 227.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
1-(3-cyanophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1155575-89-5), molecular formula C12H9N3O2 and molecular weight 227.22 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 1-(3-cyanophenyl)-5-methyl-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 | C12H9N3O2 |
| Molecular Weight | 227.22 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Related cyanophenyl Standards
- N-(4-cyanophenyl)-2-(1H-1,2,4-triazol-1-yl)acetamide (CAS 1019622-39-9)
- methyl 5-(2-cyanophenyl)-1H-pyrazole-3-carboxylate (CAS 1035235-09-6)
- methyl 1-(4-cyanophenyl)-1H-pyrazole-3-carboxylate (CAS 1173029-73-6)
- 1-(3-Cyanophenyl)-5-methyl-1h-pyrazole-3-carboxylic acid (CAS 1274470-88-0)
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- 5-(4-Cyanophenyl)furan-2-carboxylic acid methyl ester (CAS 834884-75-2)
- n-(3-Cyanophenyl)-5-methylisoxazole-3-carboxamide (CAS 930665-50-2)
Recommended Standards
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- tert-Butyl 1-methyl-4-nitro-1H-pyrazole-3-carboxylate (CAS 1163714-74-6)
- 2-(2-((2-Chloro-6-methylphenyl)carbamoyl)phenyl)acetic acid (CAS 1023437-39-9)
- Ethyl 5-(3,4-Dimethoxyphenyl)isoxazole-3-carboxylate (CAS 371157-17-4)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(p-tolyl)acetic acid (CAS 1260609-33-3)
- 2,3-Diphenylpyrimidin-4(3H)-one (CAS 89069-59-0)
- N1-(4-Bromobenzyl)-N1-ethylethane-1,2-diamine (CAS 1353965-03-3)
- 3-(pyridin-2-yl)prop-2-enenitrile (CAS 100949-40-4)
- 2-(Piperidin-3-yloxy)-pyrazine hydrochloride (CAS 1185312-42-8)
- N-(3-Methoxybenzyl)-2-(5-(4-methoxyphenyl)isoxazol-3-yl)acetamide (CAS 953255-68-0)
- N-(2,6-Difluorophenyl)-N-methylthiourea (CAS 454229-34-6)
- Insulin degludec (CAS 844439-96-9)
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