Tsao-U structure

Tsao-U

TL;DR: Tsao-U (CAS 141845-83-2) is a chemical compound with molecular formula C23H41N3O8SSi2 and molecular weight 575.22 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]pyrimidine-2,4-dione

Also Known As: 2',5'diSilySpiroT, TSAO-U, diSilyxyloU TSAO deriv., (1-(2',5'-Bis-O-(tert-butyldimethylsilyl)-beta-D-ribofuranosyl)uracil)-(R)(ribo)-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide), (1-(2',5'-Bis-O-(tert-butyldimethylsilyl)-beta-D-xylofuranosyl)uracil)-3'-spiro-5-(4-amino-1,2-oxathiole 2,2-dioxide)

CAS: 141845-83-2
Molecular Formula C23H41N3O8SSi2
Molecular Weight 575.22 g/mol
LogP 2.7451
Topological Polar Surface Area 155.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 9
Rotatable Bonds 8
Exact Mass 575.2153
Heavy Atoms 37
Complexity 1120.0

Chemical Identifiers

CAS Number 141845-83-2
SMILES CC(C)(C)[Si](C)(C)OC[C@@H]1C2([C@H]([C@@H](O1)N3C=CC(=O)NC3=O)O[Si](C)(C)C(C)(C)C)C(=CS(=O)(=O)O2)N
InChIKey CQGFUGDUYYXHKN-BVSLTHQCSA-N

Product Overview

Tsao-U (CAS 141845-83-2), with molecular formula C23H41N3O8SSi2 and molecular weight 575.22 g/mol. IUPAC: 1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]pyrimidine-2,4-dione.

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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 Tsao-U

XLogP
2.7451
TPSA (Topological Polar Surface Area)
155.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
9
Rotatable Bonds
8
Heavy Atoms
37
Complexity
1120.0
Exact Mass
575.2153
Monoisotopic Mass
575.2153
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 Tsao-U

The XLogP value of 2.7451 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Tsao-U. The TPSA of 155.0 Ų indicates high polarity, suggesting Tsao-U may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Tsao-U has 2 hydrogen bond donor(s) and 9 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 Tsao-U?

The CAS number of Tsao-U is 141845-83-2.

What is the molecular formula of Tsao-U?

The molecular formula of Tsao-U is C23H41N3O8SSi2.

What is the molecular weight of Tsao-U?

The molecular weight of Tsao-U is 575.22 g/mol.

Where can I buy Tsao-U?

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

Does KEHONG BIO offer custom synthesis for Tsao-U?

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

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