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Nucleosides and nucleotides

Orb3237738

CAS 2143457-28-5Formula C57H74N5O12PSiMolar mass 1,080.30 g/mol
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Orb3237738 chemical structure, C57H74N5O12PSi, CAS 2143457-28-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2143457-28-5
Formula
C57H74N5O12PSi
Molar mass
1,080.30 g/mol
HS code
293499
Category
Nucleosides and nucleotides

What is Orb3237738?

Plain description, key identifiers and synonyms

Orb3237738 is a chemical substance with the molecular formula C57H74N5O12PSi and a molar mass of 1,080.30 g/mol. Its CAS registry number is 2143457-28-5. The IUPAC name is N-[1-[(2R,3R,4R,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-3-[tert-butyl(dimethyl)silyl]oxy-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-5-(1,3-dioxan-2-yl)-2-oxopyrimidin-4-yl]-4-methoxybenzamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[1-[(2R,3R,4R,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-3-[tert-butyl(dimethyl)silyl]oxy-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-5-(1,3-dioxan-2-yl)-2-oxopyrimidin-4-yl]-4-methoxybenzamide
CAS number
2143457-28-5
Molecular formula
C57H74N5O12PSi
InChIKey
YFOBMYILHRTVRW-BEMHGGKUSA-N
InChI
InChI=1S/C57H74N5O12PSi/c1-38(2)62(39(3)4)75(71-35-16-32-58)73-49-48(37-70-57(41-18-14-13-15-19-41,42-22-28-45(66-9)29-23-42)43-24-30-46(67-10)31-25-43)72-53(50(49)74-76(11,12)56(5,6)7)61-36-47(54-68-33-17-34-69-54)51(60-55(61)64)59-52(63)40-20-26-44(65-8)27-21-40/h13-15,18-31,36,38-39,48-50,53-54H,16-17,33-35,37H2,1-12H3,(H,59,60,63,64)/t48-,49-,50-,53-,75-/m1/s1
SMILES
CC(C)N(C(C)C)[P@](OCCC#N)O[C@@H]1[C@H](O[C@H]([C@@H]1O[Si](C)(C)C(C)(C)C)N2C=C(C(=NC2=O)NC(=O)C3=CC=C(C=C3)OC)C4OCCCO4)COC(C5=CC=CC=C5)(C6=CC=C(C=C6)OC)C7=CC=C(C=C7)OC

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
1,080.30 g/molcalc.
Exact mass
1,079.4841 Dacalc.
LogP (octanol/water)
10.91calc.
Topological polar surface area
183.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
15calc.
Rotatable bonds
23calc.
Heavy atoms
76calc.
Rings
7calc.
Aromatic rings
5calc.
Fraction sp3 carbons
0.47calc.
Formal charge
0calc.
Stereocentres
5calc.
Lipinski rule of five
Fails (3 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C(Nc1nc(=O)n(C2CCC(COC(c3ccccc3)(c3ccccc3)c3ccccc3)O2)cc1C1OCCCO1)c1ccccc1

O=C(Nc1nc(=O)n(C2CCC(COC(c3ccccc3)(c3ccccc3)c3ccccc3)O2)cc1C1OCCCO1)c1ccccc1

7 rings, 48 atoms.

1 other chemical share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Orb3237738 suppliers

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Orb3237738 price

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Orb3237738 is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Orb3237738 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Orb3237738, based on the data on this page

What is Orb3237738?

Orb3237738 is a chemical substance with the molecular formula C57H74N5O12PSi and a molar mass of 1,080.30 g/mol. Its CAS registry number is 2143457-28-5.

What is the CAS number of Orb3237738?

The CAS registry number of Orb3237738 is 2143457-28-5.

What is the molecular formula and weight of Orb3237738?

The molecular formula of Orb3237738 is C57H74N5O12PSi and its molar mass is 1,080.30 g/mol.

Is Orb3237738 hazardous?

No GHS hazard classification for Orb3237738 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Orb3237738?

Orb3237738 is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Orb3237738?

Post a free request on CompoundList and suppliers of Orb3237738 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Orb3237738?

Suppliers quote Orb3237738 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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