Cas no 90012-40-1 (1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine)

1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine is a pyrazole-based organic compound with a molecular structure featuring phenyl and p-tolyl substituents. This heterocyclic amine is of interest in synthetic chemistry due to its potential as a versatile intermediate in the development of pharmaceuticals, agrochemicals, and functional materials. Its rigid aromatic framework and amine functionality enable further derivatization, making it useful for constructing complex molecular architectures. The compound exhibits stability under standard conditions and demonstrates compatibility with various reaction conditions, facilitating its incorporation into multi-step synthetic routes. Researchers value its role in exploring structure-activity relationships in medicinal chemistry and as a precursor for specialized heterocyclic systems.
1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine structure
90012-40-1 structure
Product Name:1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine
CAS No:90012-40-1
MF:C16H15N3
MW:249.310403108597
MDL:MFCD03427106
CID:810237
PubChem ID:854142
Update Time:2025-06-07

1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine Chemical and Physical Properties

Names and Identifiers

    • 1H-Pyrazol-5-amine,3-(4-methylphenyl)-1-phenyl-
    • 3-(4-Methylphenyl)-1-phenyl-1H-pyrazol-5-amine
    • 5-(4-methylphenyl)-2-phenylpyrazol-3-amine
    • 5-Amino-3-(4-methylphenyl)-1-phenylpyrazole
    • 1-PHENYL-3-P-TOLYL-1H-PYRAZOL-5-AMINE
    • 2-Phenyl-5-p-tolyl-2H-pyrazol-3-ylamine
    • 3-(4-Methylphenyl)-1-phenyl-1H-pyrazol-5-amine (ACI)
    • cid_854142
    • AB15050
    • SR-01000039458-1
    • Q27196747
    • 5-(4-methylphenyl)-2-phenyl-3-pyrazolamine
    • 90012-40-1
    • MLS000536200
    • SR-01000039458
    • SCHEMBL1143708
    • Z56886290
    • CHEMBL1424170
    • EN300-04685
    • STK165014
    • MFCD03427106
    • 1-Phenyl-3-(p-tolyl)-1H-pyrazol-5-amine
    • CHEBI:114904
    • DTXSID90357555
    • [2-phenyl-5-(p-tolyl)pyrazol-3-yl]amine
    • 5-Amino-3-(4-methylphenyl)-1-phenylpyrazole, 97%
    • HMS2364N09
    • 5-(4-methylphenyl)-2-phenyl-pyrazol-3-amine
    • IDI1_007576
    • AKOS000678895
    • HMS1408C17
    • BDBM43690
    • SMR000155512
    • CS-0219687
    • Enamine_004989
    • 1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine
    • MDL: MFCD03427106
    • Inchi: 1S/C16H15N3/c1-12-7-9-13(10-8-12)15-11-16(17)19(18-15)14-5-3-2-4-6-14/h2-11H,17H2,1H3
    • InChI Key: WMJZITXAXMNGCH-UHFFFAOYSA-N
    • SMILES: N1N(C2C=CC=CC=2)C(N)=CC=1C1C=CC(C)=CC=1

Computed Properties

  • Exact Mass: 249.12700
  • Monoisotopic Mass: 249.126597
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 19
  • Rotatable Bond Count: 2
  • Complexity: 280
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 8
  • XLogP3: 3.6
  • Topological Polar Surface Area: 43.8

Experimental Properties

  • Color/Form: Not determined
  • Density: 1.15
  • Melting Point: 173-176?°C (lit.)
  • Boiling Point: 460.4°Cat760mmHg
  • Flash Point: 232.3°C
  • Refractive Index: 1.635
  • PSA: 43.84000
  • LogP: 4.01110
  • Solubility: Not determined

1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine Security Information

  • Symbol: GHS07
  • Signal Word:Warning
  • Hazard Statement: H315-H319-H335
  • Warning Statement: P261-P305+P351+P338
  • Hazardous Material transportation number:NONH for all modes of transport
  • WGK Germany:3
  • Hazard Category Code: 36/37/38
  • Safety Instruction: S26; S36
  • Hazardous Material Identification: Xi
  • Risk Phrases:R36/37/38
  • Storage Condition:storage at -4℃ (1-2weeks), longer storage period at -20℃ (1-2years)

1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine Customs Data

  • HS CODE:2933199090
  • Customs Data:

    China Customs Code:

    2933199090

    Overview:

    2933199090. Other structurally non fused pyrazole ring compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine Pricemore >>

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1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine Production Method

Production Method 1

Reaction Conditions
1.1 Catalysts: Acetic acid Solvents: Ethanol ;  8 h, reflux
Reference
Synthesis of derivatives of 1,3,4,6-tetraaryl-4,5-dihydro-1H-pyrazolo[3,4-b]pyridine
Kolosov, M. A.; Orlov, V. D., Visnik Kharkivs'kogo Natsional'nogo Universitetu im. V. N. Karazina, 2007, 770, 208-209

Production Method 2

Reaction Conditions
1.1 Reagents: Zinc chloride Catalysts: Dichloro[1,1′-(1,3-propanediyl)bis[1,1-diphenylphosphine-κP]]nickel Solvents: Tetrahydrofuran ;  24 h, 100 °C
Reference
Nickel-catalyzed multicomponent reaction of dinitriles and hydrazine hydrochlorides with boronic acids: access to 1,3-diaryl-1H-pyrazol-5-amines and 4,5-dihydropyridazin-3(2H)-ones
Chen, Lepeng; Lv, Ningning; Zhen, Qianqian; Chen, Zhongyan; Ge, Jingyuan; et al, Organic Chemistry Frontiers, 2022, 9(7), 1955-1959

Production Method 3

Reaction Conditions
1.1 Catalysts: Montmorillonite ((Al1.33-1.67Mg0.33-0.67)(Ca0-1Na0-1)0.33Si4(OH)2O10.xH2O) Solvents: Isopropanol ;  30 - 60 min, reflux
Reference
A clean and rapid synthesis of 5-amino- and 5-alkoxycarbonylpyrazoles using montmorillonite under acid free conditions
Reddy, G. Jagath; Latha, D.; Rao, K. Srinivasa, Organic Preparations and Procedures International, 2004, 36(5), 494-498

Production Method 4

Reaction Conditions
1.1 Solvents: Ethanol ,  Acetic acid ;  2 h, 50 °C; 5 h, reflux; reflux → rt
1.2 Reagents: Ammonia Solvents: Water ;  pH 9, cooled
Reference
A facile synthesis of regioisomeric 4-amino- and 6-amino-3-arylpyrazolo[3,4-b]pyridine-5-carbonitriles
Petrov, Alexander A.; Kasatochkin, Alexander N.; Selivanov, Stanislav I., Mendeleev Communications, 2015, 25(5), 382-383

Production Method 5

Reaction Conditions
1.1 Reagents: Acetic acid Solvents: Ethanol
Reference
Synthesis of some pyrazolo[3,4-b]pyridine derivatives proven effective as antibacterial and antifungal agents
Jadhav, Archana D.; Barhate, Pankaj; Durrani, Ayesha, Heterocyclic Letters, 2021, 11(4), 667-673

Production Method 6

Reaction Conditions
1.1 Solvents: Water ;  2 h, 100 °C
Reference
Transition-Metal-Free Dehydrogenation of Benzyl Alcohol for C-C and C-N Bond Formation for the Synthesis of Pyrazolo[3,4-b]pyridine and Pyrazoline Derivatives
Annes, Sesuraj Babiola; Perumal, Karuppaiah; Anandhakumar, Kalaiselvan; Shankar, Bhaskaran; Ramesh, Subburethinam, Journal of Organic Chemistry, 2023, 88(9), 6039-6057

1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine Raw materials

1-Phenyl-3-p-tolyl-1H-pyrazol-5-amine Preparation Products

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