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Heterocyclic building blocks

Methallatal

Also known as 5-Ethyldihydro-5-(2-methylallyl)-2-thioxo-1H,5H-pyrimidine-4,6-dione, 5-Ethyl-5-(2-methylallyl)-2-thiobarbituric acid, Mosidal

CAS 115-56-0Formula C10H14N2O2SMolar mass 226.30 g/molEC 204-095-1
GHS signal word: Danger. Pictograms: Acute toxicity (severe)
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Methallatal chemical structure, C10H14N2O2S, CAS 115-56-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
115-56-0
Formula
C10H14N2O2S
Molar mass
226.30 g/mol
EC number
204-095-1
HS code
293359
Category
Heterocyclic building blocks

What is Methallatal?

Plain description, key identifiers and synonyms

Methallatal is a member of barbiturates.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-ethyl-5-(2-methylprop-2-enyl)-2-sulfanylidene-1,3-diazinane-4,6-dione
CAS number
115-56-0 CAS number cross-checked
EC number
204-095-1
Molecular formula
C10H14N2O2S
UNII
N60S305Q6P
InChIKey
XMQICEWOKPEQRG-UHFFFAOYSA-N
InChI
InChI=1S/C10H14N2O2S/c1-4-10(5-6(2)3)7(13)11-9(15)12-8(10)14/h2,4-5H2,1,3H3,(H2,11,12,13,14,15)
SMILES (canonical and isomeric)
CCC1(C(=O)NC(=S)NC1=O)CC(=C)C

Synonyms

  • 5-Ethyldihydro-5-(2-methylallyl)-2-thioxo-1H,5H-pyrimidine-4,6-dione
  • 5-Ethyl-5-(2-methylallyl)-2-thiobarbituric acid
  • Mosidal
  • 5-ethyl-5-(2-methylprop-2-enyl)-2-sulfanylidene-1,3-diazinane-4,6-dione
  • Ethyl-beta-methylallylthiobarbituric acid
  • Barbituric acid, 5-ethyl-5-(2-methylallyl)-2-thio-
  • 4,6(1H,5H)-Pyrimidinedione, 5-ethyldihydro-5-(2-methyl-2-propenyl)-2-thioxo-
  • 4,5H)-Pyrimidinedione, 5-ethyldihydro-5-(2-methyl-2-propenyl)-2-thioxo-
  • 5-ethyl-5-(2-methylprop-2-en-1-yl)-2-sulfanyl-1,4,5,6-tetrahydropyrimidine-4,6-dione
  • 5-Ethyl-5-(2-methylprop-2-en-1-yl)-2-sulfanylidene-1,3-diazinane-4,6-dione
  • 5-Ethyl-5-(2-methyl-2-propenyl)-2-thioxodihydro-4,6(1H,5H)-pyrimidinedione
  • 5-Ethyldihydro-5-(2-methyl-2-propenyl)-2-thioxo-4,6(1H,5H)-pyrimidinedione

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
226.30 g/molcalc.
Exact mass
226.0776 Dacalc.
LogP (octanol/water)
0.88calc.
Topological polar surface area
58.2 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
15calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
0calc.
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=C1CC(=O)NC(=S)N1

O=C1CC(=O)NC(=S)N1

1 ring, 9 atoms, the Thiobarbituric acid ring system.

144 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H300Fatal if swallowed.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Methallatal suppliers

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Methallatal 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 Methallatal is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Methallatal?

Methallatal is a member of barbiturates.

What is the CAS number of Methallatal?

The CAS registry number of Methallatal is 115-56-0.

What is the molecular formula and weight of Methallatal?

The molecular formula of Methallatal is C10H14N2O2S and its molar mass is 226.30 g/mol.

What is Methallatal used for?

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

Is Methallatal hazardous?

Methallatal carries the GHS signal word "Danger". Main hazards: fatal if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Methallatal?

Methallatal is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methallatal?

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What is the price of Methallatal?

Suppliers quote Methallatal 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 Methallatal

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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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