双(4-羧基苯基)苯基氧化膦，CAS 登记号 803-19-0，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，下游主要用于无机化学品。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。
无机化学品
每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。
本页已列出 双(4-羧基苯基)苯基氧化膦 的 CAS 号：803-19-0，可与随货 COA 核对。
常见纯度为 按批次COA提供(不公开发布)，包装形式为 按订单/批次确认(不公开发布)，特殊规格可在询价时说明。
主要涉及无机化学品。
来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。
Bis(4-carboxyphenyl)phenyl-phosphine oxide · CAS 803-19-0 · C20H15O5P. UNII NS00042714.
| CAS Registry Number | 803-19-0 |
|---|---|
| PubChem CID | 69934 |
| Molecular formula | C20H15O5P |
| IUPAC name | 4-[(4-carboxyphenyl)-phenylphosphoryl]benzoic acid |
| UNII (FDA) | NS00042714 |
| Molecular Weight | 366.3 |
|---|---|
| XLogP3 | 3.1 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 5 |
| Exact Mass | 366.06571057 |
| Monoisotopic Mass | 366.06571057 |
| Topological Polar Surface Area | 91.7 |
| Heavy Atom Count | 26 |
| Formal Charge | 0 |
803-19-0; Bis(4-carboxyphenyl)phenylphosphine oxide; 4,4'-(phenylphosphoryl)dibenzoic acid; 4,4'-(Phenylphosphinylidene)dibenzoic acid; Bis(4-carboxyphenyl)phenyl-phosphine oxide; 4-[(4-carboxyphenyl)-phenylphosphoryl]benzoic acid; MFCD02093038; C20H15O5P; 4-[(4-carboxyphenyl)(phenyl)phosphoroso]benzoic acid; 4-[(4-carboxyphenyl)-phenyl-phosphoryl]benzoic acid; EINECS 212-355-0; Phenylbis(4-carboxyphenyl)phosphine oxide; SCHEMBL2336287; DTXSID70230216; UVTXHAOLTBFLDL-UHFFFAOYSA-N; AKOS007930093
CAS 803-19-0; molecular formula C20H15O5P; molecular weight — g/mol.
803-19-0, Bis(4-carboxyphenyl)phenylphosphine oxide, 4,4'-(phenylphosphoryl)dibenzoic acid, 4,4'-(Phenylphosphinylidene)dibenzoic acid, Bis(4-carboxyphenyl)phenyl-phosphine oxide, 4-[(4-carboxyphenyl)-phenylphosphoryl]benzoic acid.
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.