2'-Nitro-[1,1'-biphenyl]-4-amine CAS 1140-28-9
| CAS No. | 1140-28-9 |
| Molecular Formula | C12H10N2O2 |
| Molecular Weight | 214.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2'-Nitro-[1,1'-biphenyl]-4-amine (C12H10N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2'-Nitro-[1,1'-biphenyl]-4-amine (CAS 1140-28-9) is a high-purity analytical reference standard with the molecular formula C12H10N2O2 and a molecular weight of 214.22 g/mol.
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), 2'-Nitro-[1,1'-biphenyl]-4-amine 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 | C12H10N2O2 |
| Molecular Weight | 214.22 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Nitro Standards
- 4'-Nitro-[1,1'-biphenyl]-4-amine (CAS 1211-40-1)
- 2-Methyl-3-nitro-5-phenylpyridine (CAS 1214369-90-0)
- 2'-Nitro-[1,1'-biphenyl]-2-amine (CAS 35883-86-4)
- 3-Nitro-n-phenylaniline (CAS 4531-79-7)
- 4'-Nitro-[1,1'-biphenyl]-3-amine (CAS 53059-29-3)
- 4-Nitro-1,2-dihydroacenaphthylen-5-amine (CAS 4657-95-8)
- 4'-Nitro-biphenyl-2-ylamine (CAS 6272-52-2)
- 5-Nitro-[1,1'-biphenyl]-2-amine (CAS 29608-75-1)
Recommended Standards
- Methyl [3,4'-bipyridine]-5-carboxylate (CAS 113893-01-9)
- tert-Butyl (5-(hydroxymethyl)oxazol-2-yl)carbamate (CAS 1142202-22-9)
- Methyl [3,3'-bipyridine]-5-carboxylate, 97% (CAS 113893-00-8)
- 2-(4-(Pyrazin-2-yl)phenyl)acetic acid (CAS 1146395-31-4)
- tert-Butyl(3-iodophenoxy)dimethylsilane (CAS 133910-12-0)
- (S)-4-Amino-2-(carboxyformamido)butanoic acid (CAS 151842-77-2)
- 7-((Difluoromethyl)sulfonyl)-4-fluoro-2,3-dihydro-1H-inden-1-one (CAS 1672661-81-2)
- Iron(III) sulfate heptahydrate (CAS 35139-28-7)
- 2-(4-Chloro-3-isopropyl-6-oxopyridazin-1(6H)-yl)acetic acid (CAS 2828559-22-2)
- S,S-Di(pyridin-2-yl) carbonodithioate (CAS 55277-90-2)
- N-(4-chlorobenzyl)-2-nitrobenzenesulfonamide (CAS 23823-11-2)
- Diethyl 2,2'-(1-methylpiperidine-4,4-diyl)diacetate (CAS 92329-92-5)
- 2-[(carboxymethyl)(4-formylphenyl)amino]acetic acid (CAS 41426-86-2)
- (His32,Leu34)-Neuropeptide Y (32-36) (CAS 168916-68-5)
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