1alpha-Hydroxy-3-epi-vitamin D3 structure

1alpha-Hydroxy-3-epi-vitamin D3

TL;DR: 1alpha-Hydroxy-3-epi-vitamin D3 (CAS 63181-13-5) is a chemical compound with molecular formula C27H44O2 and molecular weight 400.33 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

cis-(1S,3S,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

Also Known As: alfacalcidol, 1alpha-Hydroxy-3-epi-vitamin D3, Alfacalcidol impurity 13, A-Hydroxy-3-epi-vitamin D3, 1-Hydroxy-3-epi-vitamin D3

CAS: 63181-13-5
Molecular Formula C27H44O2
Molecular Weight 400.33 g/mol
LogP 6.5898
Topological Polar Surface Area 40.46 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 2
Rotatable Bonds 6
Exact Mass 400.33414
Heavy Atoms 29
Complexity 642.9232

Chemical Identifiers

CAS Number 63181-13-5
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

Product Overview

1alpha-Hydroxy-3-epi-vitamin D3 (CAS 63181-13-5), with molecular formula C27H44O2 and molecular weight 400.33 g/mol. IUPAC: cis-(1S,3S,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.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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Chemical Property Profile of 1alpha-Hydroxy-3-epi-vitamin D3

XLogP
6.5898
TPSA (Topological Polar Surface Area)
40.46
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
2
Rotatable Bonds
6
Heavy Atoms
29
Complexity
642.9232
Exact Mass
400.33414
Monoisotopic Mass
400.33414
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of 1alpha-Hydroxy-3-epi-vitamin D3

The XLogP value of 6.5898 indicates that 1alpha-Hydroxy-3-epi-vitamin D3 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 40.46 Ų, 1alpha-Hydroxy-3-epi-vitamin D3 exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 1alpha-Hydroxy-3-epi-vitamin D3 has 2 hydrogen bond donor(s) and 2 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of 1alpha-Hydroxy-3-epi-vitamin D3?

The CAS number of 1alpha-Hydroxy-3-epi-vitamin D3 is 63181-13-5.

What is the molecular formula of 1alpha-Hydroxy-3-epi-vitamin D3?

The molecular formula of 1alpha-Hydroxy-3-epi-vitamin D3 is C27H44O2.

What is the molecular weight of 1alpha-Hydroxy-3-epi-vitamin D3?

The molecular weight of 1alpha-Hydroxy-3-epi-vitamin D3 is 400.33 g/mol.

Where can I buy 1alpha-Hydroxy-3-epi-vitamin D3?

You can request a quote for 1alpha-Hydroxy-3-epi-vitamin D3 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 1alpha-Hydroxy-3-epi-vitamin D3?

Yes, KEHONG BIO provides custom synthesis services for 1alpha-Hydroxy-3-epi-vitamin D3 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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