3,4-Diamino-1-phenyl-1H-pyrazol-5(4H)-one CAS 126778-97-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 126778-97-0 |
| Molecular Formula | C9H10N4O |
| Molecular Weight | 190.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Diamino-1-phenyl-1H-pyrazol-5(4H)-one (CAS 126778-97-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H10N4O. Molecular weight: 190.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H10N4O |
| Molecular Weight | 190.20 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 5-(2-methoxyphenyl)-1,2-oxazol-3-amine (CAS 1267756-24-0)
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- 2-Methoxy-N-(1-methoxypropan-2-yl)pyridin-3-amine (CAS 112777-36-3)
- L(-)-Carnitine hydrochloride (CAS 6645-46-1)
- 5-Bromo-3-chloro-2-iodobenzoic acid (CAS 860695-47-2)
- 3-Bromo-1-ethyl-1H-pyrazolo[4,3-c]pyridin-4-amine (CAS 2485720-24-7)
- 1242885-53-5 4-(3-Piperidin-1-ylpyrazin-2-yl)benzoic acid MFCD15732281 (CAS 1242885-53-5)
- (3R)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]hexadecanoic Acid Ethyl Ester (CAS 245489-84-3)
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