5-Methyl-4-nitroso-3-phenyl-1H-pyrazole CAS 27318-25-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 27318-25-8 |
| Molecular Formula | C10H9N3O |
| Molecular Weight | 187.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-Methyl-4-nitroso-3-phenyl-1H-pyrazole (CAS 27318-25-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C10H9N3O. Molecular weight: 187.20 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C10H9N3O |
| Molecular Weight | 187.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 5-Methyl-1-benzalamino-tetrazole (CAS 56640-73-4)
- 5-Methyl-4-phenyl-4H-1,2,4-triazole-3-carbaldehyde (CAS 83503-28-0)
- 5-Methoxy-2-methyl-2H-indazole-3-carbonitrile (CAS 918946-36-8)
- 3-(4-Bromo-3-fluorophenyl)propiolic acid (CAS 1339425-98-7)
- 3-[(4-Isopropylphenoxy)methyl]pyrrolidinehydrochloride (CAS 1220029-26-4)
- 2,4-Difluoro-5-nitrobenzene-1-sulfonyl chloride (CAS 1780-83-2)
- Mupirocin Impurity 26 (CAS CATO-C4X-170626)
- 6-tert-Butyl 3-ethyl 4-hydroxy-7,8-dihydro-1,6-naphthyridine-3,6(5H)-dicarboxylate (CAS 1823496-86-1)
- n'-(Furan-2-ylmethyl)(dodecylsulfanyl)methanimidamide hydrobromide (CAS 1221728-83-1)
- Tau Peptide (337-368) (Repeat 4 Domain) trifluoroacetate salt (CAS 330456-27-4)
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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