1,2,3,4,5-五甲基环戊二烯，CAS 登记号 4045-44-7，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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1,2,3,4,5-Pentamethylcyclopentadiene · CAS 4045-44-7 · C10H16. UNII DSE3MRZ77C.
| CAS Registry Number | 4045-44-7 |
|---|---|
| PubChem CID | 77667 |
| Molecular formula | C10H16 |
| IUPAC name | 1,2,3,4,5-pentamethylcyclopenta-1,3-diene |
| UNII (FDA) | DSE3MRZ77C |
| Molecular Weight | 136.23 |
|---|---|
| XLogP3 | 1.9 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 136.125200510 |
| Monoisotopic Mass | 136.125200510 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Reported hazard statements | H226 (98.2%) |
|---|
H226 (98.2%): 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)
4045-44-7; 1,2,3,4,5-Pentamethylcyclopentadiene; 1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-; DSE3MRZ77C; NSC-222823; DTXSID00193466; RefChem:410462; DTXCID10115957; 1,2,3,4,5-pentamethyl-cyclopentadiene; 223-743-4; 1,2,3,4,5-pentamethylcyclopenta-1,3-diene; Cyclopentadiene, 1,2,3,4,5-pentamethyl-; 1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene; UNII-DSE3MRZ77C; NSC222823; WQIQNKQYEUMPBM-UHFFFAOYSA-
CAS 4045-44-7; molecular formula C10H16; molecular weight — g/mol.
4045-44-7, 1,2,3,4,5-Pentamethylcyclopentadiene, 1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-, DSE3MRZ77C, NSC-222823, DTXSID00193466.
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.