4,4′-Bis(bromomethyl)-2,2′-bipyridine CAS 134457-14-0
Abametapir CAS 1762-34-1
3 6 月, 20205-Bromo-1,3-dichloro-2-fluorobenzene CAS 17318-08-0
3 6 月, 20204,4'-Bis(bromomethyl)-2,2'-bipyridine CAS 134457-14-0
4,4′-Bis(bromomethyl)-2,2′-bipyridine Typical Properties
| Item | Standard | Test Results | |
| Identification | A.H-NMR:Comply with the structure | Complies | |
| B.LC-MS:Comply with the structure | Complies | ||
| C.The IR spectrum of sample should be identical with that of reference standard; | Complies | ||
| D.HPLC-ESI-MS | Complies | ||
| The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. | |||
| Heavy metals | ≤10 ppm | <10ppm | |
| Water | ≤1.0% | 0.10% | |
| Sulphated ash | ≤0.5%, determined on 1.0 g. | 0.01% | |
| Related substances | Unspecified impurities: for each impurity | ≤0.10% | <0.10% |
| Total Impurity | ≤0.5% | 0.18% | |
| Purity | ≥99.0% | 99.70% | |
| Assay | 99.0%~101.0% (anhydrous substance). | 99.80% | |
| Storage | Preserve in well-closed, light-resistant and airtight containers. | Complies | |
4,4′-Bis(bromomethyl)-2,2′-bipyridine Packaging
Our normal packaging is 25kgs/Drum
The packaging can be costomised. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.