5Et-2',5'SilylSpiroU structure

5Et-2',5'SilylSpiroU

TL;DR: 5Et-2',5'SilylSpiroU (CAS 142102-75-8) is a chemical compound with molecular formula C25H45N3O8SSi2 and molecular weight 603.25 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]-5-ethylpyrimidine-2,4-dione

Also Known As: TSAO deriv., 5Et-2',5'SilylSpiroU, (1-(2',5'-Bis-O-(tert-butyldimethylsilyl)-beta-D-ribofuranosyl)-5-ethyluracil)-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide), (6R,8R,9R)-4-Amino-9-{[tert-butyldi(methyl)silyl]oxy}-6-({[tert-butyldi(methyl)silyl]oxy}methyl)-8-(5-ethyl-4-hydroxy-2-oxopyrimidin-1(2H)-yl)-1,7-dioxa-2lambda~6~-thiaspiro[4.4]non-3-ene-2,2-dione, [1-[2',5'-Bis-O-(tert-butyldimethylsilyl)-.beta.-D-ribofuranosyl]-5-ethyluracil]-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide)

CAS: 142102-75-8
Molecular Formula C25H45N3O8SSi2
Molecular Weight 603.25 g/mol
LogP 3.3075
Topological Polar Surface Area 155.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 9
Rotatable Bonds 9
Exact Mass 603.2466
Heavy Atoms 39
Complexity 1180.0

Chemical Identifiers

CAS Number 142102-75-8
SMILES CCC1=CN(C(=O)NC1=O)[C@H]2[C@@H](C3([C@H](O2)CO[Si](C)(C)C(C)(C)C)C(=CS(=O)(=O)O3)N)O[Si](C)(C)C(C)(C)C
InChIKey DDDGNCKKEZVOKH-XNPIEGOSSA-N

Product Overview

5Et-2',5'SilylSpiroU (CAS 142102-75-8), with molecular formula C25H45N3O8SSi2 and molecular weight 603.25 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]-5-ethylpyrimidine-2,4-dione.

🧪
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 5Et-2',5'SilylSpiroU

XLogP
3.3075
TPSA (Topological Polar Surface Area)
155.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
9
Rotatable Bonds
9
Heavy Atoms
39
Complexity
1180.0
Exact Mass
603.2466
Monoisotopic Mass
603.2466
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 5Et-2',5'SilylSpiroU

The XLogP value of 3.3075 indicates that 5Et-2',5'SilylSpiroU is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 155.0 Ų indicates high polarity, suggesting 5Et-2',5'SilylSpiroU may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, 5Et-2',5'SilylSpiroU 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 5Et-2',5'SilylSpiroU?

The CAS number of 5Et-2',5'SilylSpiroU is 142102-75-8.

What is the molecular formula of 5Et-2',5'SilylSpiroU?

The molecular formula of 5Et-2',5'SilylSpiroU is C25H45N3O8SSi2.

What is the molecular weight of 5Et-2',5'SilylSpiroU?

The molecular weight of 5Et-2',5'SilylSpiroU is 603.25 g/mol.

Where can I buy 5Et-2',5'SilylSpiroU?

You can request a quote for 5Et-2',5'SilylSpiroU directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 5Et-2',5'SilylSpiroU?

Yes, KEHONG BIO provides custom synthesis services for 5Et-2',5'SilylSpiroU and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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