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Heterocyclic building blocks

alpha-Methoxythymidine

Also known as 5-Methoxymethyl-2'-deoxyuridine, 2'-Deoxy-5-(methoxymethyl)uridine, 5-methoxymethyldeoxyuridine

CAS 5116-22-3Formula C11H16N2O6Molar mass 272.26 g/mol
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alpha-Methoxythymidine chemical structure, C11H16N2O6, CAS 5116-22-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5116-22-3
Formula
C11H16N2O6
Molar mass
272.26 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is alpha-Methoxythymidine?

Plain description, key identifiers and synonyms

alpha-Methoxythymidine is a chemical substance with the molecular formula C11H16N2O6 and a molar mass of 272.26 g/mol. Its CAS registry number is 5116-22-3. The IUPAC name is 1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-(methoxymethyl)pyrimidine-2,4-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-(methoxymethyl)pyrimidine-2,4-dione
CAS number
5116-22-3 CAS number cross-checked
Molecular formula
C11H16N2O6
MDL number
MFCD01675690
InChIKey
RSMISTTWWXJOOG-DJLDLDEBSA-N
InChI
InChI=1S/C11H16N2O6/c1-18-5-6-3-13(11(17)12-10(6)16)9-2-7(15)8(4-14)19-9/h3,7-9,14-15H,2,4-5H2,1H3,(H,12,16,17)/t7-,8+,9+/m0/s1
Canonical SMILES
COCc1cn(C2CC(O)C(CO)O2)c(=O)[nH]c1=O
Isomeric SMILES
COCC1=CN(C(=O)NC1=O)[C@H]2C[C@@H]([C@H](O2)CO)O

Synonyms

  • 5-Methoxymethyl-2'-deoxyuridine
  • 2'-Deoxy-5-(methoxymethyl)uridine
  • 5-methoxymethyldeoxyuridine
  • 1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-(methoxymethyl)pyrimidine-2,4-dione
  • MMUdR
  • Methoxymethyl deoxyuridine
  • Thymidine, alpha-methoxy-
  • 2'-deoxy-5-methoxymethyluridine
  • MMdUrd
  • 5-Methoxymethyldeoxyuridine, alpha-Methoxythymidine, 2'-Deoxy-5-(methoxymethyl)uridine, 2'-Deoxy-5-(methoxymethyl)-uridine
  • Uridine, 2'-deoxy-5-methoxymethyl-
  • 1-(2-Deoxy-beta-D-ribofuranosyl)-5-methoxymethyluracil
  • Uracil, 1-(2-deoxy-beta-D-erythro-pentofuranosyl)-5-(methoxymethyl)-
  • 1-[(2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-(methoxymethyl)pyrimidine-2,4(1H,3H)-dione
  • 1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-(methoxymethyl)pyrimidine-2,4-dione

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
272.26 g/molcalc.
Exact mass
272.1008 Dacalc.
LogP (octanol/water)
-1.68calc.
Topological polar surface area
113.8 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
4calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.64calc.
Formal charge
0calc.
Stereocentres
3calc.
Lipinski rule of five
Passes (0 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=c1ccn(C2CCCO2)c(=O)[nH]1

O=c1ccn(C2CCCO2)c(=O)[nH]1

2 rings, 13 atoms, the Tetrahydrofuryluracil ring system.

3,051 other chemicals 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.

alpha-Methoxythymidine suppliers

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alpha-Methoxythymidine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

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 alpha-Methoxythymidine 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 alpha-Methoxythymidine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about alpha-Methoxythymidine, based on the data on this page

What is alpha-Methoxythymidine?

alpha-Methoxythymidine is a chemical substance with the molecular formula C11H16N2O6 and a molar mass of 272.26 g/mol. Its CAS registry number is 5116-22-3. The IUPAC name is 1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-(methoxymethyl)pyrimidine-2,4-dione.

What is the CAS number of alpha-Methoxythymidine?

The CAS registry number of alpha-Methoxythymidine is 5116-22-3.

What is the molecular formula and weight of alpha-Methoxythymidine?

The molecular formula of alpha-Methoxythymidine is C11H16N2O6 and its molar mass is 272.26 g/mol.

What is alpha-Methoxythymidine used for?

Known uses and roles of alpha-Methoxythymidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is alpha-Methoxythymidine hazardous?

No GHS hazard classification for alpha-Methoxythymidine 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 alpha-Methoxythymidine?

alpha-Methoxythymidine 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 alpha-Methoxythymidine?

CompoundList lists 1 supplier of alpha-Methoxythymidine in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of alpha-Methoxythymidine?

Suppliers quote alpha-Methoxythymidine 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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