Apratoxin B structure

Apratoxin B

TL;DR: Apratoxin B (CAS 444885-29-4) is a chemical compound with molecular formula C44H67N5O8S and molecular weight 825.47 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(2S,3S,5S,7S,10S,16S,19S,22S,25E,27S)-16-[(2S)-butan-2-yl]-7-tert-butyl-3-hydroxy-22-[(4-methoxyphenyl)methyl]-2,5,19,20,25-pentamethyl-8-oxa-29-thia-14,17,20,23,30-pentazatricyclo[25.2.1.010,14]triaconta-1(30),25-diene-9,15,18,21,24-pentone

Also Known As: Apratoxin B, J1.898.834H, (2S,3S,5S,7S,10S,16S,19S,22S,25E,27S)-16-[(2S)-butan-2-yl]-7-tert-butyl-3-hydroxy-22-(4-methoxybenzyl)-2,5,19,20,25-pentamethyl-8-oxa-29-thia-14,17,20,23,30-pentaazatricyclo[25.2.1.0(10,14)]triaconta-1(30),25-diene-9,15,18,21,24-pentone, 7'''.1,4-anhydro(N-{3-[2-(3,7-dihydroxy-5,8,8-trimethylnonan-2-yl)-4,5-dihydro-1,3-thiazol-4-yl]-2-methylpropenoyl}-O-methyl-L-tyrosyl-N-methyl-L-alanyl-L-isoleucyl-L-proline), N-((2E)-3-((4S)-2-((1S,2S,4S,6S)-2,6-dihydroxy-1,4,7,7-tetramethyloctyl)-4,5-dihydro-4-thiazolyl)-2-methyl-1-oxo-2-propenyl)-O-methyl-L-tyrosyl-N-methyl-L-alanyl-L-isoleucyl-L-proline (4-16)-lactone

CAS: 444885-29-4
Molecular Formula C44H67N5O8S
Molecular Weight 825.47 g/mol
LogP 4.9363
Topological Polar Surface Area 166.94 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 10
Rotatable Bonds 5
Exact Mass 825.471
Heavy Atoms 58
Complexity 1692.7252

Chemical Identifiers

CAS Number 444885-29-4
SMILES CC[C@H](C)[C@H]1C(=O)N2CCC[C@H]2C(=O)O[C@@H](C[C@H](C[C@@H]([C@@H](C3=N[C@H](CS3)/C=C(/C(=O)N[C@H](C(=O)N([C@H](C(=O)N1)C)C)CC4=CC=C(C=C4)OC)\C)C)O)C)C(C)(C)C

Product Overview

Apratoxin B (CAS 444885-29-4), with molecular formula C44H67N5O8S and molecular weight 825.47 g/mol. IUPAC: (2S,3S,5S,7S,10S,16S,19S,22S,25E,27S)-16-[(2S)-butan-2-yl]-7-tert-butyl-3-hydroxy-22-[(4-methoxyphenyl)methyl]-2,5,19,20,25-pentamethyl-8-oxa-29-thia-14,17,20,23,30-pentazatricyclo[25.2.1.010,14]triaconta-1(30),25-diene-9,15,18,21,24-pentone.

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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 Apratoxin B

XLogP
4.9363
TPSA (Topological Polar Surface Area)
166.94
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
10
Rotatable Bonds
5
Heavy Atoms
58
Complexity
1692.7252
Exact Mass
825.471
Monoisotopic Mass
825.471
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 Apratoxin B

The XLogP value of 4.9363 indicates that Apratoxin B is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 166.94 Ų indicates high polarity, suggesting Apratoxin B may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Apratoxin B has 3 hydrogen bond donor(s) and 10 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 Apratoxin B?

The CAS number of Apratoxin B is 444885-29-4.

What is the molecular formula of Apratoxin B?

The molecular formula of Apratoxin B is C44H67N5O8S.

What is the molecular weight of Apratoxin B?

The molecular weight of Apratoxin B is 825.47 g/mol.

Where can I buy Apratoxin B?

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

Does KEHONG BIO offer custom synthesis for Apratoxin B?

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

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