Compound Q&A

What are the physical and chemical properties of Prednisolone-21-Carboxylic Acid (CAS: 61549-70-0)?

Answer

Prednisolone-21-Carboxylic Acid
Prednisolone-21-Carboxylic Acid is a white or off-white crystalline powder with a molecular weight of approximately 312.34 g/mol. It is slightly soluble in water and practically insoluble in ethanol. This compound is known for its low reactivity in aqueous solutions, but it can undergo hydrolysis under acidic or basic conditions. It has a melting point of about 170°C and is stable under normal storage conditions.

About

CAS No 61549-70-0
English Name Prednisolone-21-Carboxylic Acid
Molecular Formula C21H26O6
Molecular Weight 374.4275 g/mol
SMILES CC12CC(C3C(C1CCC2(C(=O)C(C(=O)O)O)O)CCC4=CC(=O)C=CC34C)O
InChIKey FZHFGUJVTAMJKG-HRUPCHJUSA-N
Last Updated: 2026-03-28 23:48

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