3,3'-Dibromo-[1,1'-biphenyl]-4,4'-diamine CAS 34237-98-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 34237-98-4 |
| Molecular Formula | C12H10Br2N2 |
| Molecular Weight | 342.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3'-Dibromo-[1,1'-biphenyl]-4,4'-diamine (CAS 34237-98-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H10Br2N2. Molecular weight: 342.03 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H10Br2N2 |
| Molecular Weight | 342.03 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1966 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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- (3',5'-Dibromo-[1,1'-biphenyl]-3-yl)methanol (CAS 1349716-27-3)
- (3',5'-Dibromo-[1,1'-biphenyl]-4-yl)methanol (CAS 1349718-15-5)
- 4,4'-Dibromo-6,6'-dimethyl-2,2'-bipyridine (CAS 144342-45-0)
- 3,4'-Dibromo-4-methoxy-1,1'-biphenyl (CAS 66175-40-4)
- N-(2,4-Dibromo-6-fluorophenyl)-N-methylthiourea (CAS 894211-42-8)
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Recommended Standards
- 2,2-Difluoro-6-iodo-4-methylbenzo[d][1,3]dioxole-5-carboxylic acid (CAS 2451903-36-7)
- 1,2-Bis(3-bromophenyl)hydrazine (CAS 55138-19-7)
- 4,4’-Diamino-2,2’-dibromobiphenyl (CAS 84530-60-9)
- 3-(3-(2-Hydroxyethyl)-1-pentylpyrrolidin-3-yl)phenol (CAS 65866-68-4)
- Metoclopramide N4-Sulfonate (CAS 27260-42-0)
- Tegoprazan Impurity 140 (CAS CATO-C4X-2297140)
- 1-(3-Methoxypropyl)piperidin-4-amine dihydrochloride (CAS 1255098-75-9)
- 5-ethyl-3-methylpyrrolidin-2-one (CAS 1215126-78-5)
- n-(Pyridin-2-yl)-2-(1,3,5-trimethyl-1h-pyrazol-4-yl)acetamide (CAS 1171575-61-3)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
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