3,3',6,6'-Tetrabromo-9,9'-bicarbazole CAS 18628-03-0
| CAS No. | 18628-03-0 |
| Molecular Formula | C24H12Br4N2 |
| Molecular Weight | 647.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3,3',6,6'-Tetrabromo-9,9'-bicarbazole (CAS 18628-03-0) is a high-purity analytical reference standard with the molecular formula C24H12Br4N2 and a molecular weight of 647.98 g/mol.
Structurally, 3,3',6,6'-Tetrabromo-9,9'-bicarbazole (C24H12Br4N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 647.98 g/mol, it falls into the high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 3,3',6,6'-Tetrabromo-9,9'-bicarbazole 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.
Physical & Chemical Properties
| Molecular Formula | C24H12Br4N2 |
| Molecular Weight | 647.98 g/mol |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Tetrabromo Standards
- 2-(2,4,5,7-Tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 152-75-0)
- 2,2',7,7'-Tetrabromo-9,9'-bifluorenylidene (CAS 27192-91-2)
- 1,2,3,5-Tetrabromo-4-(2,5-dibromophenoxy)benzene (CAS 446255-00-1)
- 4,5,6,7-Tetrabromo-3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one (CAS 13027-28-6)
- 2,2,7,7-Tetrabromo-9,9-spirobifluorene (CAS 128055-74-3)
- 2,3,13,14-Tetrabromo-6,7,9,10,17,18-hexahydrodibenzo[b,h][1,4,7,10,13]penta (CAS 302929-47-1)
- 2,3,13,14-Tetrabromo-6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine (CAS 40100-11-6)
- 2',4',5',7'-Tetrabromo-3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid (CAS 3561-24-8)
Recommended Standards
- 2,2',7,7'-Tetrabromospiro[fluorene-9,9'-xanthene] (CAS 1338596-81-8)
- 2,3′,6′,7-Tetrabromospiro[9H-fluorene-9,9′-[9H]xanthene] (CAS 2092900-01-9)
- Dronedarone Impurity 19 (CAS CATO-C4X-109219)
- 1,1,2,2-Tetrakis(3-bromophenyl)ethene (CAS 2361216-82-0)
- 3-Chloro-4-phenyl-1,2,5-thiadiazole (CAS 5728-14-3)
- Methyl 3-amino-2-(piperidin-1-ylmethyl)benzoate (CAS 866020-08-8)
- 1-[(2,2-diphenylacetyl)oxy]cyclohexane-1-carboxylic acid (CAS 924043-48-1)
- 2-Methyl-4-nitroisoindolin-1-one (CAS 682757-52-4)
- (R)-Methyl 2-(2-methyl-1H-pyrrol-1-yl)propanoate (CAS 189231-45-6)
- Euphroside 76994-07-5 (CAS 76994-07-5)
- 8-Bromo-4,4-dimethyl-1,4-dihydroisoquinolin-3(2h)-one (CAS 1935647-08-7)
- Benzo[d]thiazole-2(3H)-selenone (CAS 10200-72-3)
- Atorvastatin EP Impurity C (CAS 693794-20-6)
- Acetyl tetrapeptide-3 (CAS 827306-88-7)
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