4,4'-(4-Amino-4H-1,2,4-triazole-3,5-diyl)diphenol CAS 223645-69-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 223645-69-0 |
| Molecular Formula | C14H12N4O2 |
| Molecular Weight | 268.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-(4-Amino-4H-1,2,4-triazole-3,5-diyl)diphenol (CAS 223645-69-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H12N4O2. Molecular weight: 268.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H12N4O2 |
| Molecular Weight | 268.27 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
| Nitrogen Atoms | 4 |
Related Amino Standards
- 2-(Boc-amino)-1-methoxy-3-nitrobenzene (CAS 1283176-56-6)
- Methyl 7-amino-3-phenylpyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1324061-25-7)
- 2-(5-Amino-3-(pyridin-2-yl)-1H-pyrazol-1-yl)-6-methylpyrimidin-4(3H)-one (CAS 1416344-43-8)
- 2-(5-Amino-3-(pyridin-3-yl)-1H-pyrazol-1-yl)-6-methylpyrimidin-4(3H)-one (CAS 1416347-19-7)
- 2-(5-Amino-3-(pyridin-4-yl)-1H-pyrazol-1-yl)-6-methylpyrimidin-4(3H)-one (CAS 1416348-71-4)
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Recommended Standards
- 4-(Tert-butoxycarbonyl)-4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 2172547-55-4)
- 4-{imidazo[1,2-a]pyridin-2-ylmethoxy}benzoic acid (CAS 301860-84-4)
- 4-(Furan-2-carbonyl)-5-methyl-2-phenyl-1H-pyrazol-3(2H)-one (CAS 89076-04-0)
- 2,3,5,6-Tetramethylbenzaldehyde (CAS 17432-37-0)
- 2-(1H-Benzo[d][1,2,3]triazol-1-yl)-N-(6-methoxypyrimidin-4-yl)acetamide (CAS 1421530-71-3)
- (1R,2S)-2-((tert-butoxycarbonyl)amino)-2-methylcyclohexane-1-carboxylic acid (CAS 1175673-63-8)
- H-Gly-Gly-Tyr-Arg-OH TFA salt (CAS 70195-20-9(Free Base))
- 5-Chloro-2-methylnicotinoyl chloride (CAS 1207529-88-1)
- Sugammadex Impurity 33 (CAS CATO-C4X-190633)
- D-Asp9-Tirzepatide (CAS CATO-CPTD788923)
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