tacrolimus structure

tacrolimus

TL;DR: tacrolimus (CAS 109581-93-3) is a chemical compound with molecular formula C44H71NO13 and molecular weight 821.49 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(1R,9S,12S,13R,14S,17R,21S,23S,24R,25S,27R)-1,14-dihydroxy-12-[1-[(3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-prop-2-enyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone;hydrate

Also Known As: tacrolimus

CAS: 109581-93-3
Molecular Formula C44H71NO13
Molecular Weight 821.49 g/mol
LogP 3.81
Topological Polar Surface Area 179.0 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 13
Rotatable Bonds 7
Exact Mass 821.49255
Heavy Atoms 58
Complexity 1480.0

Chemical Identifiers

CAS Number 109581-93-3
SMILES C[C@@H]1C[C@@H]([C@@H]2[C@H](C[C@H]([C@@](O2)(C(=O)C(=O)N3CCCC[C@H]3C(=O)O[C@@H]([C@@H]([C@H](CC(=O)[C@@H](C=C(C1)C)CC=C)O)C)C(=CC4CC[C@H]([C@@H](C4)OC)O)C)O)C)OC)OC.O
InChIKey NWJQLQGQZSIBAF-SOFZWBTHSA-N

Patent-Derived Application Labels

Derived from 7 IPC patent classification(s) across the SureChEMBL global patent database.

Agrochemicals (8 patents) Biotechnology (4 patents) Heterocyclic Building Blocks (64 patents) Organic Building Blocks (58 patents) Peptides & Amino Acids (4 patents) +2 more

Product Overview

tacrolimus (CAS 109581-93-3), with molecular formula C44H71NO13 and molecular weight 821.49 g/mol. IUPAC: (1R,9S,12S,13R,14S,17R,21S,23S,24R,25S,27R)-1,14-dihydroxy-12-[1-[(3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-prop-2-enyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone;hydrate.

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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.
View MSDS →

Chemical Property Profile of tacrolimus

XLogP
3.81
TPSA (Topological Polar Surface Area)
179.0
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
13
Rotatable Bonds
7
Heavy Atoms
58
Complexity
1480.0
Exact Mass
821.49255
Monoisotopic Mass
821.49255
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 tacrolimus

The XLogP value of 3.81 indicates that tacrolimus is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 179.0 Ų indicates high polarity, suggesting tacrolimus may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, tacrolimus has 4 hydrogen bond donor(s) and 13 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 tacrolimus?

The CAS number of tacrolimus is 109581-93-3.

What is the molecular formula of tacrolimus?

The molecular formula of tacrolimus is C44H71NO13.

What is the molecular weight of tacrolimus?

The molecular weight of tacrolimus is 821.49 g/mol.

Where can I buy tacrolimus?

You can request a quote for tacrolimus directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for tacrolimus?

Yes, KEHONG BIO provides custom synthesis services for tacrolimus and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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