1,2,3,4-四甲基-1,3-环戊二烯，CAS 登记号 4249-10-9，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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1,2,3,4-Tetramethyl-1,3-cyclopentadiene · CAS 4249-10-9 · C9H14. UNII NS00015745.
| CAS Registry Number | 4249-10-9 |
|---|---|
| PubChem CID | 138163 |
| Molecular formula | C9H14 |
| IUPAC name | 1,2,3,4-tetramethylcyclopenta-1,3-diene |
| UNII (FDA) | NS00015745 |
| Molecular Weight | 122.21 |
|---|---|
| XLogP3 | 1.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 122.109550447 |
| Monoisotopic Mass | 122.109550447 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Reported hazard statements | H226 (100%) |
|---|
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)
4249-10-9; 1,2,3,4-Tetramethylcyclopentadiene; DTXSID90195277; 1,2,3,4-tetramethyl-cyclopentadiene; RefChem:410622; DTXCID00117768; 1,2,3,4-tetramethylcyclopenta-1,3-diene; 1,2,3,4-Tetramethyl-1,3-cyclopentadiene; Tetramethylcyclopentadiene; MFCD00145385; TETRAMETHYL CYCLOPENTADIENE; Me4CpH; 1,2,3,4-tetramethyl; SCHEMBL297606; SCHEMBL337603; SCHEMBL1990372
CAS 4249-10-9; molecular formula C9H14; molecular weight — g/mol.
4249-10-9, 1,2,3,4-Tetramethylcyclopentadiene, DTXSID90195277, 1,2,3,4-tetramethyl-cyclopentadiene, RefChem:410622, DTXCID00117768.
Hazard statements reported: H226.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.