2,5-Dibromo-3-chloropyrazine (CAS 21943-16-8) — formula C4HBr2ClN2, molecular weight 272.32; category organic chemicals.
2,5-Dibromo-3-chloropyrazine (CAS 21943-16-8) is a chemical raw material in the organic chemicals category. Its molecular formula C4HBr2ClN2 comprises 4 C, 1 H, 2 Br, 1 Cl, 2 N atoms. Its molecular weight is about 272.32. Reported physicochemical data: LogP about 2.8. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 21943-16-8 |
|---|---|
| Molecular Formula | C4HBr2ClN2 |
| Molecular Weight | 272.32 |
| LogP | 2.8 |
| Category | Organic Chemicals |
2,5-Dibromo-3-chloropyrazine is a carbon-based organic compound with CAS registry number 21943-16-8 and molecular formula C4HBr2ClN2 (molecular weight 272.32), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 21943-16-8
Its molecular formula C4HBr2ClN2 comprises 4 C, 1 H, 2 Br, 1 Cl, 2 N atoms.
Also known as: 2,5-Dibromo-3-chloropyrazine · 2,5-二溴-3-氯吡嗪
Category: organic chemicals
The CAS registry number of 2,5-Dibromo-3-chloropyrazine is 21943-16-8.
Molecular formula C4HBr2ClN2, molecular weight 272.32.
It is also registered under: 2,5-Dibromo-3-chloropyrazine, 2,5-二溴-3-氯吡嗪.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 2,5-Dibromo-3-chloropyrazine (CAS 21943-16-8), compiled from public chemistry databases.
| CAS Number | 21943-16-8 |
|---|---|
| PubChem CID | 71627137 |
| Molecular Formula | C4HBr2ClN2 |
| IUPAC Name | 2,5-dibromo-3-chloropyrazine |
| Molecular Weight | 272.32 |
|---|---|
| XLogP3 | 2.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 271.81745 |
| Monoisotopic Mass | 269.81950 |
| Topological Polar Surface Area | 25.8 |
| Heavy Atom Count | 9 |
2,5-Dibromo-3-chloropyrazine; 21943-16-8; MFCD18250179; 2,5-dibromo-3-chloro-pyrazine; SCHEMBL273776; DTXSID90856513; Pyrazine, 2,5-dibromo-3-chloro-; AKOS016845827; AB72488; AS-59502; DA-17037; SY059022; CS-0097634; I11306; F616485
| Notified hazard statements | H302 (100%), H315 (100%), H319 (100%), H335 (100%) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 2,5-二溴-3-氯吡嗪