ChemAbout
© 2026 ChemAbout
Insights|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/API/1|A-Calcidol
C27H44O2
400.6 g/mol
API

1beta-Calcidol

CAS63181-13-5
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material

1beta-Calcidol is an active pharmaceutical ingredient characterized as a sterol derivative with a conjugated diene system and two hydroxyl groups. It is a stereochemically defined isomer of calcidiol, utilized in pharmaceutical manufacturing as a building block for vitamin D-related compounds.

pharmaceutical raw material for vitamin D analog synthesisresearch compound for sterol chemistry studies

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.

Sourcing or supplying this compound?

List your inventory or post a purchase request

CAS 63181-13-5

List This Product
Sign in to publish supply information
Request This Product
Submit a request without registering

Related Compounds

SimilarStructure SimilarSimilarity 0.82

1β-calcitriol

CAS66791-71-7

research reagent

SimilarStructure SimilarSimilarity 0.82

Calcitriol

CAS32222-06-3

pharmaceutical raw material

ReferenceSame Category

D-threonine zwitterion

CAS632-20-2

pharmaceutical raw material

ReferenceSame Category

Calcifediol monohydrate

CAS63283-36-3

pharmaceutical raw material

ReferenceSame Category

Berberine hydrochloride

CAS633-65-8

pharmaceutical raw material

ReferenceSame Category

Deschloro Lapatinib

CAS633370-23-7

pharmaceutical raw material

Referencestereoisomer of

Trans-Alfacalcidol

CAS65445-14-9

pharmaceutical raw material

Referencestereoisomer of

Alfacalcidol

CAS41294-56-8

pharmaceutical raw material

Identifiers
IUPAC Name

cis-(1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol

InChIKey

OFHCOWSQAMBJIW-FLFCXVRSSA-N

SMILES

C[C@H](CCCC(C)C)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](C[C@H](C3=C)O)O)C

Synonyms (15)
  • Alfacalcidol EP Impurity B
  • 1?-Hydroxy Vitamin D3
  • 1BETA-HYDROXY VITAMIN D3
  • 1beta-Calcidol
  • A-Calcidol
  • Alfacalcidol impurity B