4'-Nitro-[1,1'-biphenyl]-3-ol CAS 28023-89-4
| CAS No. | 28023-89-4 |
| Molecular Formula | C12H9NO3 |
| Molecular Weight | 215.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4'-Nitro-[1,1'-biphenyl]-3-ol (C12H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 215.20 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
4'-Nitro-[1,1'-biphenyl]-3-ol (CAS 28023-89-4), molecular formula C12H9NO3 and molecular weight 215.20 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4'-Nitro-[1,1'-biphenyl]-3-ol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H9NO3 |
| Molecular Weight | 215.20 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 chloroform, dichloromethane, ethyl acetate, 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.) | 1965 |
| Nitrogen Atoms | 1 |
Related Nitro Standards
- 4-Nitro-[1,1'-biphenyl]-3-ol (CAS 18062-89-0)
- 1-NITRO-3-PHENOXYBENZENE (CAS 620-55-3)
- 2'-Nitro-[1,1'-biphenyl]-4-ol (CAS 51264-59-6)
- 3'-Nitro-[1,1'-biphenyl]-4-ol (CAS 53059-30-6)
- 3-Nitro-[1,1'-biphenyl]-4-ol (CAS 885-82-5)
- 4'-Nitro-[1,1'-biphenyl]-4-ol (CAS 3916-44-7)
- 3-Nitro-6-phenylpyridin-2-amine (CAS 102266-15-9)
- 2-Nitro-5-phenylpyridin-3-amine (CAS 1097196-50-3)
Recommended Standards
- 4-Methoxyfuro[2,3-b]quinolin-6-ol (CAS 65967-10-4)
- 4-Hydroxy-2-nitrobiphenyl (CAS 20281-23-6)
- 4-Nitrophenyl Phenyl Ether (CAS 620-88-2)
- 4-Acetyl-7-methoxybenzofuran-2-carbonitrile (CAS 91521-05-0)
- 1,5-Dimethyl-1H-pyrazole-3,4-diaminedihydrochloride (CAS 199340-93-7)
- Boc-N-Me-Thr(Bzl)-OH (CAS 64263-80-5)
- 2-{[(3,4-dichlorophenyl)methyl]sulfanyl}-4,5-diphenyl-1-(prop-2-en-1-yl)-1H-imidazole (CAS 339277-06-4)
- 3-Pyridineethanol, 3-methanesulfonate (CAS 121688-28-6)
- 2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethan-1-amine (CAS 1082163-13-0)
- N-(4-bromo-3,5-dimethylphenyl)thietan-3-amine (CAS 1876027-37-0)
- 6-(4-Chlorophenyl)-1-[(4-fluorophenyl)methyl]-4-(methylsulfanyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 478042-87-4)
- 2-(1-Isopropylpyrrolidin-2-yl)-3-methylpyridine (CAS 1352498-91-9)
- tert-Butyl 2-Bromopropanoate (CAS 39149-80-9)
- Semaglutide impurity 200 (CAS CATO-C4X-2226200)
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