3,3''-Dibromo-1,1':3',1''-terphenyl CAS 95962-62-2
| CAS No. | 95962-62-2 |
| Molecular Formula | C18H12Br2 |
| Molecular Weight | 388.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,3''-Dibromo-1,1':3',1''-terphenyl.
3,3''-Dibromo-1,1':3',1''-terphenyl (CAS 95962-62-2) is a high-purity analytical reference standard with the molecular formula C18H12Br2 and a molecular weight of 388.10 g/mol.
Structurally, 3,3''-Dibromo-1,1':3',1''-terphenyl (C18H12Br2) contains bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 388.10 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3,3''-Dibromo-1,1':3',1''-terphenyl 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 | C18H12Br2 |
| Molecular Weight | 388.10 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 chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 2',5'-Dibromo-1,1':4',1''-terphenyl (CAS 1293386-03-4)
- 4,4’’-Dibromo-p-terphenyl (CAS 17788-94-2)
- 3,3''-Dibromo-1,1':2',1''-terphenyl (CAS 95918-90-4)
- 4,4''-Dibromo-1,1':2',1''-terphenyl (CAS 24253-43-8)
- 4,4''-Dibromo-1,1':3',1''-terphenyl (CAS 83909-22-2)
- 4-(6,8-Dibromo-2-methylimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine (CAS 886507-34-2)
- 6,11-dibromo-1,4-diazatriphenylene (CAS 1012836-59-7)
- 5,9-Dibromo-7H-benzo[c]fluoren-7-one (CAS 1637660-36-6)
Recommended Standards
- 2,7-Bis(bromomethyl)pyrene (CAS 63996-39-4)
- Bromhexine Impurity 10 (CAS 2512203-87-9)
- Bromhexine Impurity 11 (CAS 21237-84-3)
- 1,1,1,3,3,3-Hexafluoro-2-(3-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-ol (CAS 2376598-54-6)
- 2-(2-Methyl-1H-benzo[d]imidazol-1-yl)acetic acid hydrochloride (CAS 1177310-33-6)
- anthracene-9-carbonyl chloride (CAS 16331-52-5)
- 4-Nitrophenyl β-D-glucuronide sodium salt (CAS 89772-41-8)
- 4-(4-Isopropoxybenzoyl)quinoline (CAS 1706443-70-0)
- 3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 1220219-59-9)
- Cefazolin Impurity 58 (CAS 1012-29-9)
- 1,2-Dichlorooctane (CAS 21948-46-9)
- N1,N2-Bis(1,3-dihydroxy-2-methylpropan-2-yl)oxalamide (CAS 80649-01-0)
- Ethyl 2-chloro-6-((4,6-dimethoxypyrimidin-2-yl)thio)benzoate (CAS 123343-07-7)
- Peptide-GMF (CAS CATO-CPTD788469)
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