3-Methyl-1-(2-methylphenyl)-1h-pyrazol-5-amine CAS 91331-68-9
| CAS No. | 91331-68-9 |
| Molecular Formula | C11H13N3 |
| Molecular Weight | 187.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 187.24 g/mol gives 3-Methyl-1-(2-methylphenyl)-1h-pyrazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Methyl-1-(2-methylphenyl)-1h-pyrazol-5-amine (CAS 91331-68-9) is a high-purity analytical reference standard with the molecular formula C11H13N3 and a molecular weight of 187.24 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 3-Methyl-1-(2-methylphenyl)-1h-pyrazol-5-amine is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 187.24 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.
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-Methyl-1-(2-methylphenyl)-1h-pyrazol-5-amine 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 | C11H13N3 |
| Molecular Weight | 187.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 1-[(4-Methylphenyl)methyl]-1H-pyrazol-4-amine (CAS 1002414-59-6)
- 3-Methyl-4-(3-methylphenyl)-1H-pyrazol-5-amine (CAS 1239130-22-3)
- 2-methyl-4-(3-methylphenyl)-4-oxobutanenitrile (CAS 1248140-56-8)
- 5-Methyl-1-(4-methylphenyl)-1h-pyrazol-3-amine (CAS 1248923-32-1)
- 5-Methyl-1-(3-methylphenyl)-1h-pyrazol-4-amine (CAS 1249954-55-9)
- 3-Methyl-4-(2-methylphenyl)-1H-pyrazol-5-amine (CAS 186195-77-7)
- 1-[(2-Methylphenyl)methyl]-1H-pyrazol-3-amine (CAS 492426-23-0)
- 1-[(2-Methylphenyl)methyl]-1H-pyrazol-4-amine (CAS 898055-82-8)
Recommended Standards
- 3-Mesitylisoxazole (CAS 49748-48-3)
- 3-Methyl-2-morpholinobutanoic acid (CAS 788797-27-3)
- 3-Isopropylisoquinolin-4-ol (CAS 90679-67-7)
- 3-Methyl-4-(1-methyl-1H-pyrazol-4-yl)aniline (CAS 955369-20-7)
- N-(5-(Methylthio)-1,3,4-thiadiazol-2-yl)isobutyramide (CAS 393564-93-7)
- Ethyl 7-(2-chlorophenyl)pyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 60868-62-4)
- N-(4-Ethoxyphenyl)-2-((4-ethyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 571180-31-9)
- tert-Butyl 2-(3,5-difluorobenzyl)hydrazinecarboxylate (CAS 123566-47-2)
- 3-Bromo-4-[(2-fluorobenzyl)oxy]-5-methoxybenzaldehyde (CAS 384857-26-5)
- 2-(1-chloroethyl)-6-methylpyrimidin-4-ol (CAS 1394040-96-0)
- 3-[(pyridin-2-ylmethyl)sulfanyl]propanoic acid (CAS 23909-07-1)
- (R)-1-Benzyl-2-(chloromethyl)pyrrolidine hydrochloride (CAS 1226802-08-9)
- 4-Acetyl-6-iodopicolinic acid (CAS 1393567-43-5)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
Why CATO?
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