C27H44O2
400.6 g/mol
APIDanger
Calcifediol
CAS19356-17-3EC242-990-9
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material
Calcifediol is a prehormone derived from the oxidation of vitamin D3 in the liver. It serves as an intermediate in the production of calcitriol, the active form of vitamin D3, and is involved in bone density maintenance.
Pharmaceutical raw material for vitamin D3 metabolism researchBone density conservation agent
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
StrongSame Parent
Calcifediol monohydrate
CAS63283-36-3
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.82
Cholecalciferol
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SimilarStructure SimilarSimilarity 0.79
Calcitriol
CAS32222-06-3
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.74
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Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H330Fatal if inhaled
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Calcifediol (CAS 19356-17-3) is 2936.29.
HS code (international, 6-digit)
2936.29
EU CN code (8-digit)
2936 29 00
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
(1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
InChIKey
JWUBBDSIWDLEOM-DTOXIADCSA-N
SMILES
C[C@H](CCCC(C)(C)O)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](CCC3=C)O)C
Synonyms (63)
- U-32070E
- Calcifediol, European Pharmacopoeia (EP)
- Calcifediol, United States Pharmacopeia (USP)
- Calcifediolum [INN-Latin]
- 25 Hydroxycholecalciferol
- 25(OH)D3
- 25-(OH)Vitamin D3
- 25-Hydroxycholescalciferol
- 25-Hydroxyvitamin
- 25-Hydroxyvitamin D
- 25-hydroxyvitamin D3
- 5,6-cis-25-Hydroxyvitamin D3
- Anhydrous, Calcifediol
- Calcidiol
- Calcifediol
- Calcifediol (Standard)
- Calcifediol Impurity 7
- Calcifediol anhydrous
- Calcifediol hydrate
- Calcifediol monohydrate
- Calcifediolum
- Calcifidiol
- Calderol
- Cholecalciferol, 25-hydroxy-
- Delakmin
- Didrogyl
- Hidroferol
- Rayaldee
- Ro 8-8892
- Rovimix Hy-D
- Ryaldee
- Vitamin D, 25-hydroxy-
- calcifediolo
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