Cas no 26308-41-8 (5-ethyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid)
5-Ethyl-2-methyl-4-nitro-2H-pyrazole-3-carboxylic acid is a nitro-substituted pyrazole derivative with a carboxylic acid functional group, offering versatility in synthetic organic chemistry. Its structure makes it a valuable intermediate for the preparation of heterocyclic compounds, particularly in pharmaceutical and agrochemical research. The nitro and carboxylic acid groups provide reactive sites for further functionalization, enabling applications in nucleophilic substitution, reduction, or condensation reactions. The ethyl and methyl substituents contribute to its stability and influence its reactivity profile. This compound is suitable for use in medicinal chemistry for the development of bioactive molecules, owing to its well-defined molecular framework and potential for derivatization.
26308-41-8 structure
Product Name:5-ethyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid
CAS No:26308-41-8
MF:C7H9N3O4
MW:199.164061307907
CID:914417
PubChem ID:7174461
Update Time:2025-06-07
5-ethyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid Chemical and Physical Properties
Names and Identifiers
-
- 5-ethyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid
- 5-ethyl-2-methyl-4-nitropyrazole-3-carboxylic acid
- 3-ethyl-1-methyl-4-nitro-1h-pyrazole-5-carboxylic acid
- 5-Ethyl-2-methyl-4-nitro-2 H-pyrazole-3-carboxyli
- 26308-41-8
- 3-Ethyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylicacid
- BBA30841
- DTXSID40428320
- AKOS006294132
- 5-ethyl-2-methyl-4-nitro-2 h -pyrazole-3-carboxylic acid
- 5-Ethyl-2-methyl-4-nitro-2H-pyrazole-3-carboxylic acid
-
- MDL： MFCD06739560
- Inchi： 1S/C7H9N3O4/c1-3-4-5(10(13)14)6(7(11)12)9(2)8-4/h3H2,1-2H3,(H,11,12)
- InChI Key： NWFDDRJCLWSJNP-UHFFFAOYSA-N
- SMILES： OC(C1=C(C(CC)=NN1C)[N+](=O)[O-])=O
Computed Properties
- Exact Mass: 199.05900
- Monoisotopic Mass: 199.05930578g/mol
- Isotope Atom Count: 0
- Hydrogen Bond Donor Count: 1
- Hydrogen Bond Acceptor Count: 4
- Heavy Atom Count: 14
- Rotatable Bond Count: 3
- Complexity: 252
- 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
- XLogP3: 0.8
- Topological Polar Surface Area: 101?2
Experimental Properties
- PSA: 100.94000
- LogP: 1.11210
5-ethyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid Customs Data
- HS CODE：2933199090
- Customs Data：
China Customs Code:
2933199090Overview:
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%
5-ethyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| Fluorochem | 027510-250mg |
5-Ethyl-2-methyl-4-nitro-2 H -pyrazole-3-carboxylic acid |
26308-41-8 | 250mg |
￡160.00 | 2022-02-28 | ||
| Fluorochem | 027510-1g |
5-Ethyl-2-methyl-4-nitro-2 H -pyrazole-3-carboxylic acid |
26308-41-8 | 1g |
￡372.00 | 2022-02-28 | ||
| Fluorochem | 027510-2g |
5-Ethyl-2-methyl-4-nitro-2 H -pyrazole-3-carboxylic acid |
26308-41-8 | 2g |
￡598.00 | 2022-02-28 | ||
| Chemenu | CM515873-1g |
3-Ethyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid |
26308-41-8 | 97% | 1g |
$607 | 2022-06-11 |
5-ethyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid Related Literature
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Liao Xiaoqing,Li Ruiyi,Li Zaijun,Sun Xiulan,Wang Zhouping,Liu Junkang New J. Chem., 2015,39, 5240-5248
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Vishwesh Venkatraman,Marco Foscato,Vidar R. Jensen,Bj?rn K?re Alsberg J. Mater. Chem. A, 2015,3, 9851-9860
-
Eric Besson,Stéphane Gastaldi,Emily Bloch,Selma Aslan,Hakim Karoui,Olivier Ouari,Micael Hardy Analyst, 2019,144, 4194-4203
-
Jason Wan Lab Chip, 2020,20, 4528-4538
-
Gaurav J. Shah,Eric P.-Y. Chiou,Ming C. Wu,Chang-Jin “CJ” Kim Lab Chip, 2009,9, 1732-1739
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