103856-74-2 5-Methyl-1-(2-nitrophenyl)-1H-pyrazole-3-carboxylic acid 7825AC C11H9N3O4 CAS 103856-74-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 103856-74-2 |
| Molecular Formula | C11H9N3O4 |
| Molecular Weight | 247.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 103856-74-2 5-Methyl-1-(2-nitrophenyl)-1H-pyrazole-3-carboxylic acid 7825AC C11H9N3O4 (CAS 103856-74-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H9N3O4. Molecular weight: 247.21 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H9N3O4 |
| Molecular Weight | 247.21 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 1-Methyl-3-(4-nitrophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1152933-94-2)
- Methyl 1-(2-nitrophenyl)-1H-pyrazole-3-carboxylate (CAS 1170945-67-1)
- Methyl 1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 1171844-32-8)
- 1-Methyl-3-(4-nitrophenyl)-1H-pyrazole-5-carboxylic acid (CAS 1172569-15-1)
- 1-Methyl-3-(3-nitrophenyl)-1h-pyrazole-5-carboxylic acid (CAS 1177304-46-9)
- 2-(3-(4-Nitrophenyl)-1H-pyrazol-1-yl)acetic acid (CAS 959582-09-3)
- Methyl 1-(3-nitrophenyl)-1H-imidazole-4-carboxylate (CAS 314061-15-9)
- Methyl 1-(4-nitrophenyl)-1H-pyrazole-3-carboxylate (CAS 70375-81-4)
Recommended Standards
- Methyl 3-amino-3-(2-(trifluoromethyl)phenyl)propanoate (CAS 1038381-68-8)
- 1-(2,3-dihydro-1,4-benzodioxin-6-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1049606-32-7)
- Methyl 3-amino-3-(3-(trifluoromethyl)phenyl)propanoate (CAS 1038323-37-3)
- (2R,3R)-1-ethyl-5-oxo-2-(3,4,5-trimethoxyphenyl)pyrrolidine-3-carboxylic acid (CAS 1071535-97-1)
- 4'-Isopropyl-[1,1'-biphenyl]-2-carboxylic acid (CAS 84392-25-6)
- 4-(S-(Trifluoromethyl)sulfonimidoyl)benzoic acid (CAS 2385452-08-2)
- n-(2,3-Dichlorobenzyl)pentan-1-amine (CAS 893587-46-7)
- 8-Benzyloxycarbonyl-8-azabicyclo[3.2.1]octane-2-carboxylicacid (CAS 2386366-89-6)
- 3-Methyl-15-phenylpentadecanoic acid (CAS 116754-80-4)
- [β-Asp]9-Semaglutide (CAS CATO-CPTD788605)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com