2,2',5,5'-Tetrabromo-3,3'-bi-1H-indole CAS 81387-82-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81387-82-8 |
| Molecular Formula | C16H24Br4N2 |
| Molecular Weight | 563.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2',5,5'-Tetrabromo-3,3'-bi-1H-indole (CAS 81387-82-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H24Br4N2. Molecular weight: 563.99 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H24Br4N2 |
| Molecular Weight | 563.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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- 2,3,6,7-Tetrabromo-9,9,10,10-tetramethyl-9,10-dihydroanthracene (CAS 1001080-74-5)
- 1,2,4,5-Tetrabromo-3,6-bis(bromomethyl)benzene (CAS 39568-99-5)
- 2,2',2'',5'-Tetrabromo-1,1':4',1''-terphenyl (CAS 912922-58-8)
- 2,3,6,7-Tetrabromo-1,4,5,8-tetrahydroxyanthracene-9,10-dione (CAS 106897-88-5)
- 4,5,6,7-tetrabromo-2-(1H-imidazol-2-yl)isoindoline-1,3-dione (CAS 1639895-85-4)
- 5,6,7,8-Tetrabromo-1H,3H-benzo[de]isochromene-1,3-dione (CAS 2114416-27-0)
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Recommended Standards
- Nilotinib Impurity 21 (CAS CATO-C4X-125621)
- 4-Hydroxytrazodone β-D-glucuronide (CAS 53818-11-4)
- Nilotinib Impurity 49 (CAS CATO-C4X-125649)
- 1-(4-Bromophenyl)-5-chloro-1H-pyrazole-4-carbonitrile (CAS 102996-37-2)
- Methylsynephrine (CAS 365-26-4)
- (R)-2,3-dihydro-1H-indene-1-carboxylic acid (CAS 877-01-0)
- 7-Fluorobenzo[c][1,2,5]oxadiazole-4-sulfonic acid (CAS 91575-54-1)
- 2,3-Diethynylpyridine (CAS 216979-52-1)
- 4-(4-Ethylphenyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 1774901-09-5)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
Why CATO?
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