1,7-Dibromo-3,4,9,10-perylenetetracarboxylic Dianhydride CAS 118129-60-5
| CAS No. | 118129-60-5 |
| Molecular Formula | C24H6Br2O6 |
| Molecular Weight | 550.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,7-Dibromo-3,4,9,10-perylenetetracarboxylic Dianhydride (CAS 118129-60-5), molecular formula C24H6Br2O6 and molecular weight 550.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1,7-Dibromo-3,4,9,10-perylenetetracarboxylic Dianhydride (C24H6Br2O6) contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 550.11 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,7-Dibromo-3,4,9,10-perylenetetracarboxylic Dianhydride 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 | C24H6Br2O6 |
| Molecular Weight | 550.11 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
Related Dibromo Standards
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- 3,6-Dibromo-9-(triphenylen-2-yl)carbazole (CAS 1351870-16-0)
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Recommended Standards
- 3-(((5-(4-Chlorophenyl)-4-(2'-fluoro-4'-propyl-[1,1'-biphenyl]-4-yl)pyrimidin-2-yl)thio)methyl)benzonitrile (CAS 677749-65-4)
- 1H,1H-Perfluoroundecan-1-ol (CAS 307-46-0)
- Cicortonide (CAS 19705-61-4)
- Acrylic 2,3,3,3-tetrafluoro-2-(1,1,2,3,3,3-hexafluoro-2-(perfluoropropoxy)propoxy)propanoic anhydride (CAS 17559-01-2)
- 4-Bromopicolinaldehyde (CAS 131747-63-2)
- 2-(5-Methyl-1H-pyrazol-3-yl)pyrimidine (CAS 1018323-96-0)
- 1-(Tert-butyl) 2-ethyl 5-methyl-1H-indole-1,2-dicarboxylate (CAS 1233086-44-6)
- 4-chloro-2-ethylquinoline (CAS 7176-10-5)
- 5-Chloro-1-methyl-3-phenyl-1H-indole-2-carbaldehyde (CAS 6765-77-1)
- 1-(1-(2,6-Dichlorobenzyl)-2-oxo-1,2-dihydropyridin-3-yl)-3-(pyridin-4-ylmethyl)urea (CAS 400084-76-6)
- Canagliflozin Impurity 68 (CAS CATO-C4X-112368)
- 2-Amino-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyridine (CAS 1319067-56-5)
- 2-(3-Chloro-4-fluorophenyl)-2,3-dihydro-1H-naphtho[1,8-de][1,3,2]diazaborinine (CAS 1338697-45-2)
- Fragment-[3-31]-Semaglutide (CAS CATO-C4X-2226113)
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