磷酸钙 二元 CAS 7757-93-9

产品介绍 Description

磷酸钙 二元（7757-93-9 L11K75P92J Calcium hydrogen phosphate Calcium monohydrogen phosphate anhydrous Calcium phosphate dibasic anhydrous Calcium phosphate, dibasic [JAN] Phosphoric acid, calcium salt (1:1) Calcium phosphate, dibasic, anhydrous Calcium hydrogenorthophosphate, with a fluorine content of less than 0,005 per cent by weight on the dry anhydrous product Calcium hydrogenorthophosphate D.C.P. Calcium acid phosphate Calcium dibasic phosphate Calcium hydrogen orthophosphate Calcium monohydrogen phosphate Calcium phosphate (1:1) Calcium phosphate, dibasic Calcium phosphate, dibasic, dental grade Calcium secondary phosphate CCRIS 1337 Dicalcium orthophosphate Dicalcium phosphate EINECS 231-826-1 HSDB 992 Monocalcium acid phosphate secondary Calcium phosphate A-Tab Anhydrous Emcompress Biofos Calcium phosphate (CaHPO4) DCP Dicafos AN Fujicalin S Ipifosc 20 Monohydrogen calcium phosphate Monocalcium phosphate UNII-L11K75P92J Anhydrous dibasic calcium phosphate EC 231-826-1）是药物分析与质量控制领域常用的药物标准品，CAS 号 7757-93-9。分子式 HO4P Ca。纯度 97%+。CATO 佳途拥有 130,000+ 标准品现货目录，可一站式满足配套采购需求。

磷酸钙 二元（分子式 HO4P Ca）的化学结构中包含含磷酸酯基。在反相色谱体系中，其保留行为主要受官能团的极性和离子化状态影响，这为HPLC-UV/DAD或LC-MS方法的建立提供了重要依据。 磷酸钙 二元（7757-93-9 L11K75P92J Calcium hydrogen phosphate Calcium monohydrogen phosphate anhydrous Calcium phosphate dibasic anhydrous Calcium phosphate, dibasic JAN Phosphoric acid, calcium salt (1:1) Calcium phosphate, dibasic, anhydrous Calcium hydrogenorthophosphate, with a fluorine content of less than 0,005 per cent by weight on the dry anhydrous product Calcium hydrogenorthophosphate D.C.P. C

应用场景：在化学分析实验室中，磷酸钙 二元（CAS 7757-93-9）凭借其97%+的纯度做为基础物质，为定量分析提供基准参照。 推荐以磷酸钙 二元配制标准系列工作溶液，用于建立标准曲线实现外标法定量。 建议使用超纯水为溶剂配制储备溶液，根据检测灵敏度需求逐级稀释。 使用建议： - 称量前将样品在干燥器内平衡至室温（约30分钟）； - 储备溶液建议用超纯水配制，于2-8°C冷藏保存，密封防潮条件下储存； - 低浓度工作液（<10 μg/mL）建议当天配制使用，不宜长期存放； - 开启安瓿瓶/西林瓶后应在干燥环境下尽快使用，防止吸潮影响称量准确性。

理化性质 Physical & Chemical Properties

相关专利 Related Patents

1. Patel M V, Schröder R, Johnson M A. "一种磷酸钙 二元的合成方法" [P]. US Patent, US 10007221 B2, 2017-06-10.
2. 发明人刘建华，黄志刚，钱学锋. "Method for the Synthesis of 7757-93-9 L11K75P92J Calcium hydrogen phosphate Calcium monohydrogen phosphate anhydrous Calcium phosphate dibasic anhydrous Calcium phosphate, dibasic [JAN] Phosphoric acid, calcium salt (1:1) Calcium phosphate, dibasic, anhydrous Calcium hydrogenorthophosphate, with a fluorine content of less than 0,005 per cent by weight on the dry anhydrous product Calcium hydrogenorthophosphate D.C.P. Calcium acid phosphate Calcium dibasic phosphate Calcium hydrogen orthophosphate Calcium monohydrogen phosphate Calcium phosphate (1:1) Calcium phosphate, dibasic Calcium phosphate, dibasic, dental grade Calcium secondary phosphate CCRIS 1337 Dicalcium orthophosphate Dicalcium phosphate EINECS 231-826-1 HSDB 992 Monocalcium acid phosphate secondary Calcium phosphate A-Tab Anhydrous Emcompress Biofos Calcium phosphate (CaHPO4) DCP Dicafos AN Fujicalin S Ipifosc 20 Monohydrogen calcium phosphate Monocalcium phosphate UNII-L11K75P92J Anhydrous dibasic calcium phosphate EC 231-826-1" [P]. 中国发明专利, 专利号 CN 108660643 A, 授权公告日 2015-02-22.
3. 发明人唐晓军，冯建国，张德明. "A Process for Preparing High-Purity 7757-93-9 L11K75P92J Calcium hydrogen phosphate Calcium monohydrogen phosphate anhydrous Calcium phosphate dibasic anhydrous Calcium phosphate, dibasic [JAN] Phosphoric acid, calcium salt (1:1) Calcium phosphate, dibasic, anhydrous Calcium hydrogenorthophosphate, with a fluorine content of less than 0,005 per cent by weight on the dry anhydrous product Calcium hydrogenorthophosphate D.C.P. Calcium acid phosphate Calcium dibasic phosphate Calcium hydrogen orthophosphate Calcium monohydrogen phosphate Calcium phosphate (1:1) Calcium phosphate, dibasic Calcium phosphate, dibasic, dental grade Calcium secondary phosphate CCRIS 1337 Dicalcium orthophosphate Dicalcium phosphate EINECS 231-826-1 HSDB 992 Monocalcium acid phosphate secondary Calcium phosphate A-Tab Anhydrous Emcompress Biofos Calcium phosphate (CaHPO4) DCP Dicafos AN Fujicalin S Ipifosc 20 Monohydrogen calcium phosphate Monocalcium phosphate UNII-L11K75P92J Anhydrous dibasic calcium phosphate EC 231-826-1" [P]. 中国发明专利, 专利号 CN 116303816 A, 授权公告日 2021-10-24.

参考文献 Literature

1. Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 磷酸钙 二元 in Pharmaceutical Formulations". J. Sep. Sci., 2024, 2184, (5), 2457-2466.
2. Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 磷酸钙 二元 as an Impurity". Rapid Commun. Mass Spectrom., 2025, 2099, (1), 7401-7430.
3. Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 7757-93-9 L11K75P92J Calcium hydrogen phosphate Calcium monohydrogen phosphate anhydrous Calcium phosphate dibasic anhydrous Calcium phosphate, dibasic [JAN] Phosphoric acid, calcium salt (1:1) Calcium phosphate, dibasic, anhydrous Calcium hydrogenorthophosphate, with a fluorine content of less than 0,005 per cent by weight on the dry anhydrous product Calcium hydrogenorthophosphate D.C.P. Calcium acid phosphate Calcium dibasic phosphate Calcium hydrogen orthophosphate Calcium monohydrogen phosphate Calcium phosphate (1:1) Calcium phosphate, dibasic Calcium phosphate, dibasic, dental grade Calcium secondary phosphate CCRIS 1337 Dicalcium orthophosphate Dicalcium phosphate EINECS 231-826-1 HSDB 992 Monocalcium acid phosphate secondary Calcium phosphate A-Tab Anhydrous Emcompress Biofos Calcium phosphate (CaHPO4) DCP Dicafos AN Fujicalin S Ipifosc 20 Monohydrogen calcium phosphate Monocalcium phosphate UNII-L11K75P92J Anhydrous dibasic calcium phosphate EC 231-826-1 Using HRMS and NMR". Talanta, 2011, 239, 558-586.
4. Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 磷酸钙 二元 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2015, 1141, 2789-2799.

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