CAS 1955-45-9

6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Pivalic acid lactone Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone UNII-6813U5R1GP

纯度 97%+现货药物标准品
CAS 号1955-45-9
分子式C5H8O2
分子量100.12 g/mol
分类药物标准品 / 原料药标准品
库存状态现货

化学结构式 Structure

6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Pivalic acid lactone Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone UNII-6813U5R1GP CAS 1955-45-9 结构式 Chemical Structure

产品介绍 Description

CAS 1955-45-9 对应的（6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Pivalic acid lactone Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone UNII-6813U5R1GP）为 CATO 佳途药物标准品产品线成员。分子式 C5H8O2，分子量 100.12。纯度 97%+。所有批次均经 HPLC/NMR 等多项检测确认，质量稳定可溯源。

与同类药物标准品相比，的分子量为100.12 g/mol这一特征使其在色谱分离条件和质谱检测参数设置上具有独特性。 化学式为 C5H8O2 的（6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Pivalic acid lactone Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone UNII-6813U5R1GP），其CAS登记号是 1955-45-9，分子量为 100.12 g/mol。

应用场景：（6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Piv

理化性质 Physical & Chemical Properties

中文名称
分子式C5H8O2
分子量100.12 g/mol
外观形态白色至类白色液体
纯度97%+
储存条件2-8°C冷藏保存
溶解性参考可溶于甲醇、乙腈、DMSO、水（微溶）
稳定性在推荐条件下性质稳定
化合物类型药物标准品
子类原料药标准品
不饱和度（DBE）2.0
CAS登记年份（估）1957年

相关专利 Related Patents

  1. 发明人马晓峰，郑宇鹏，孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108468635 A, 授权公告日 2019-03-03.
  2. 发明人高志强，韩伟，唐晓军. "Method for the Synthesis of 6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Pivalic acid lactone Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone UNII-6813U5R1GP" [P]. 中国发明专利, 专利号 CN 112098521 A, 授权公告日 2023-06-04.
  3. 发明人胡光，徐明华，沈红梅. "A Process for Preparing High-Purity 6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Pivalic acid lactone Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone UNII-6813U5R1GP" [P]. 中国发明专利, 专利号 CN 112023225 B, 授权公告日 2016-08-14.

参考文献 Literature

  1. Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2019, 961, 4546-4569.
  2. Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 169, (1), 8198-8223.
  3. Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Pivalic acid lactone Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone UNII-6813U5R1GP Using HRMS and NMR". Anal. Methods, 2016, 1773, 479-502.
  4. Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2013, 1285, (5), 5584-5608.

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