3-Bromo-1,1':3',1''-terphenyl CAS 98905-03-4
| CAS No. | 98905-03-4 |
| Molecular Formula | C18H13Br |
| Molecular Weight | 309.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Bromo-1,1':3',1''-terphenyl under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 3-Bromo-1,1':3',1''-terphenyl (CAS 98905-03-4), a certified reference material (molecular formula C18H13Br, MW 309.20 g/mol) for analytical method development and quality control.
Structurally, 3-Bromo-1,1':3',1''-terphenyl (C18H13Br) 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 309.20 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H13Br |
| Molecular Weight | 309.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1985 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 5-bromo-m-terphenyl (CAS 103068-20-8)
- 6-Bromo-N-(4-cyanobenzyl)hexanamide (CAS 1052148-20-5)
- 2-Bromo-1,1':3',1''-terphenyl (CAS 1133796-49-2)
- 1159977-16-8 4-(4-Bromo-1-butyn-1-yl)-alpha,alpha-dimethyl-benzeneacetic Acid Methyl Ester (CAS 1159977-16-8)
- 6'-Bromo-4-methoxyspiro[cyclohexane-1,2'-inden]-1'(3'H)-one (CAS 1245515-16-5)
- 2'-Bromo-1,1':3',1''-terphenyl (CAS 126866-29-3)
- 4-Bromo-p-terphenyl (CAS 1762-84-1)
- 3-Bromo-p-terphenyl (CAS 1762-87-4)
Recommended Standards
- 3-(4-Nitrophenyl)-6-(trifluoromethyl)-[1,2]oxazolo[4,5-b]pyridine (CAS 339106-18-2)
- 4'-Bromo-1,1':2',1''-terphenyl (CAS 24253-40-5)
- 2-Bromo-1,1':4',1''-terphenyl (CAS 3282-24-4)
- 4-Bromo-1,1':2',1''-terphenyl (CAS 24253-37-0)
- Pravastatin EP Impurity G (CAS 136590-28-8)
- 4-(4-tert-Butylphenyl)-2-(4-methylpiperazin-1-yl)-4-oxobutanoic acid (CAS 306730-35-8)
- 1-(Tetrahydrothiophen-3-yl)azetidin-3-amine (CAS 1498918-03-8)
- 4-Methyl-N-(2-oxo-1,2-dihydropyrimidin-4-yl)benzenesulfonamide (CAS 114072-05-8)
- Pinaverium impurity 33 (CAS 151825-17-1)
- 4-Bromo-7-isopropyl-1H-indole (CAS 1219741-52-2)
- Cyclo(-D-Glu-Ala-D-allo-Ile-Leu-D-Trp) (CAS 136553-74-7)
- 1-(2-Bromobenzyl)-1H-imidazole (CAS 72459-45-1)
- Setomimycin (CAS 69431-87-4)
- Insulin Degludec Impurity 11 (CAS CATO-C4X-215711)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com