C21H28O6
376.4 g/mol
Pharmaceutical IntermediateDanger
16alpha-Hydroxyprednisolone
CAS13951-70-7EC237-731-1
Category
Pharmaceutical Intermediate
Compound Class
Steroid
Primary Use
Pharmaceutical Intermediate
16alpha-Hydroxyprednisolone is a corticosteroid compound used as a pharmaceutical raw material in the manufacturing of pharmaceutical intermediates. It is characterized by a polycyclic structure with multiple hydroxyl groups and a hydroxyacetyl side chain, indicating its role in steroid-based synthesis.
pharmaceutical intermediateraw material for corticosteroid synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.84
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Safety Reference
Danger
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
H362May cause harm to breast-fed children
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 16alpha-Hydroxyprednisolone (CAS 13951-70-7) is 2914.40.
HS code (international, 6-digit)
2914.40
EU CN code (8-digit)
2914 40 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(8S,9S,10R,11S,13S,14S,16R,17S)-11,16,17-trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one
InChIKey
SEKYBDYVXDAYPY-ILNISADRSA-N
SMILES
C[C@]12C[C@@H]([C@H]3[C@H]([C@@H]1C[C@H]([C@@]2(C(=O)CO)O)O)CCC4=CC(=O)C=C[C@]34C)O
Synonyms (22)
- OH-PRED
- 11beta,16alpha,17,21-Tetrahydroxypregna-1,4-diene-3,20-dione; Budesonide Imp. A (EP); 16alpha-Hydroxyprednisolone; Budesonide Impurity A
- BUDESONIDE IMPURITY A (EP IMPURITY)
- Budesonide EP Impurity A
- Budesonide EP Impurity A (16-alpha-Hydroxy-Prednisolone)
- 16alpha-Hydroxyprednisolone
- 16alpha-Hydroxyprednisonlone
- 16|A-Hydroxyprednisolone
- BUDESONIDE IMPURITY A
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