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Heterocyclic building blocks

Methylthymidine

Also known as Thymidine, 3-methyl-, 3-Methylthymidine, N3-Methylthymidine

CAS 958-74-7Formula C11H16N2O5Molar mass 256.26 g/mol
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Methylthymidine chemical structure, C11H16N2O5, CAS 958-74-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
958-74-7
Formula
C11H16N2O5
Molar mass
256.26 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is Methylthymidine?

Plain description, key identifiers and synonyms

3-methylthymidine has been reported in Streptomyces microflavus.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3,5-dimethylpyrimidine-2,4-dione
CAS number
958-74-7 CAS number cross-checked
Molecular formula
C11H16N2O5
UNII
N6KXY4L1JH
InChIKey
JCVDICFLPGDHAT-DJLDLDEBSA-N
InChI
InChI=1S/C11H16N2O5/c1-6-4-13(11(17)12(2)10(6)16)9-3-7(15)8(5-14)18-9/h4,7-9,14-15H,3,5H2,1-2H3/t7-,8+,9+/m0/s1
Canonical SMILES
Cc1cn(C2CC(O)C(CO)O2)c(=O)n(C)c1=O
Isomeric SMILES
CC1=CN(C(=O)N(C1=O)C)[C@H]2C[C@@H]([C@H](O2)CO)O

Synonyms

  • Thymidine, 3-methyl-
  • 3-Methylthymidine
  • N3-Methylthymidine
  • 1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3,5-dimethylpyrimidine-2,4-dione
  • 1-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3,5-dimethylpyrimidine-2,4(1H,3H)-dione
  • 1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-3,5-dimethyl-pyrimidine-2,4-dione
  • n-methylthymidine
  • 3-Methyl-thymidine
  • Uridine, 2'-deoxy-3,5-dimethyl-
  • N-3-(Methyl)-Thd
  • N3-Methyl-D-thymidine
  • 3,5-Dimethyldeoxyuridine
  • 1-(4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-3,5-dimethyl-1H-pyrimidine-2,4-dione
  • 2,4(1H,3H)-Pyrimidinedione, 1-(2-deoxy-beta-D-erythro-pentofuranosyl)-3,5-dimethyl-

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
256.26 g/molcalc.
Exact mass
256.1059 Dacalc.
LogP (octanol/water)
-1.5calc.
Topological polar surface area
93.69 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
18calc.
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.

Methylthymidine suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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

Frequently asked questions

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

What is Methylthymidine?

3-methylthymidine has been reported in Streptomyces microflavus.

What is the CAS number of Methylthymidine?

The CAS registry number of Methylthymidine is 958-74-7.

What is the molecular formula and weight of Methylthymidine?

The molecular formula of Methylthymidine is C11H16N2O5 and its molar mass is 256.26 g/mol.

What is Methylthymidine used for?

Known uses and roles of Methylthymidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Methylthymidine hazardous?

No GHS hazard classification for Methylthymidine 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 Methylthymidine?

Methylthymidine 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 Methylthymidine?

CompoundList lists 2 suppliers of Methylthymidine in China and Finland. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Methylthymidine?

Suppliers quote Methylthymidine 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

Practical guides that help when you source, ship or handle Methylthymidine

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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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