网站主页>>>项目整合精选>>>项目整合精选>>>Allotetrahydrocortisone CAS Registry Number: 547-77-3 5-Alpha-孕烷-3-beta, 17,21-三醇-11,20-二酮

Allotetrahydrocortisone CAS Registry Number: 547-77-3 5-Alpha-孕烷-3-beta, 17,21-三醇-11,20-二酮

CAS Name: (3a,5a)-3,17,21-Trihydroxy-pregnane-11,20-dione
Additional Names: Reichstein's substance Dehydro-C; 11-dehydro C; allopregnane-3a,17a,21-triol-11,20-dione
Percent Composition: C 69.20%, H 8.85%, O 21.95%

📌 参考资料/链接：
Literature References: Isoln from beef adrenals: v. Euw et al., Helv. Chim. Acta 41, 1516 (1958). Synthesis of the 3a,21-diacetate: Nagata et al., ibid. 42, 1399 (1959).

📄 详细内容

Properties: Rhombohedric leaflets from acetone + water, mp 212-214°.
Melting point: mp 212-214°
Derivative Type: 3a,21-Diacetate
Percent Composition: C 66.94%, H 8.09%, O 24.97%
Properties: Rhombohedric platelets, mp 225-227°; [a]D25 +94.2 ±1.5° (c = 1.45 in dioxane).
Melting point: mp 225-227°
Optical Rotation: [a]D25 +94.2 ±1.5° (c = 1.45 in dioxane)
产品链接: 547-77-3››

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