7-Bromo-1-methylene-1,2,3,4-tetrahydronaphthalene CAS 740842-57-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 740842-57-3 |
| Molecular Formula | C11H11Br |
| Molecular Weight | 223.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
7-Bromo-1-methylene-1,2,3,4-tetrahydronaphthalene (CAS 740842-57-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H11Br. Molecular weight: 223.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H11Br |
| Molecular Weight | 223.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
Recommended Standards
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884879-24-7
CHLORO[(1,2,3-H)-3-PHENYL-2-PROPENYL][1,3-BIS(2,6-DI-I-PROPYLPHENYL)-4,5-DIHYDROIMIDAZOL-2-YLIDENE]PALLADIUM(II);CHLORO[(1,2,3-N)-3-PHENYL-2-PROPENYL][1,3-BIS(2,6-DI-I-PROPYLPHENYL)-4,5-DIHYDROIMIDAZOL-2-YLIDENE]PALLADIUM(II);CX 32;PHENYLALLYLCHLORO[1,3-BIS(DIISOPROPYLPHENYL)-2-IMIDAZOLIDINYLIDENE]PALLADIUM(II);UMICORE CX32;[1,3-BIS(2,6-DI-ISOPROPYLPHENYL)-(4,5-DIHYDROIMIDAZOL-2-YLIDENE)CHLORO][3-PHENYLALLYL]PALLADIUM(II);[1,3-BIS[2,6-BIS(1-METHYLETHYL)PHENYL]-2-IMIDAZOLIDINYLIDENE]CHLORO[(1,2,3-ETA)-3-PHENYL-2-PROPENYL]PALLADIUM;Chloro[(1,2,3-)-3-phenyl-2-propenyl][1,3-bis(2,6-di-i-propylphenyl)-4,5-dihydroimidazol-2-ylidene]palladium(II)
SC10497 (CAS 884879-24-7)
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