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Antibiotics and anti-infectives

Morantel

Also known as Pyrimidine, 1,4,5,6-tetrahydro-1-methyl-2-(2-(3-methyl-2-thienyl)ethenyl)-, (E)-, Pyrimidine, 1,4,5,6-tetrahydro-1-methyl-2-[2-(3-methyl-2-thienyl)ethenyl]-, (E)-, 1-methyl-2-[(E)-2-(3-methylthiophen-2-yl)ethenyl]-5,6-dihydro-4H-pyrimidine

CAS 20574-50-9Formula C12H16N2SMolar mass 220.34 g/molEC 243-890-8
Drug substance
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Morantel chemical structure, C12H16N2S, CAS 20574-50-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
20574-50-9
Formula
C12H16N2S
Molar mass
220.34 g/mol
EC number
243-890-8
HS code
293499
Category
Antibiotics and anti-infectives

What is Morantel?

Plain description, key identifiers and synonyms

1-methyl-2-[2-(3-methyl-2-thiophenyl)ethenyl]-5,6-dihydro-4H-pyrimidine is a member of pyrimidines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-methyl-2-[(E)-2-(3-methylthiophen-2-yl)ethenyl]-5,6-dihydro-4H-pyrimidine
CAS number
20574-50-9 CAS number cross-checked
EC number
243-890-8
Molecular formula
C12H16N2S
UNII
7NJ031HAX5
InChIKey
NVEPPWDVLBMNMB-SNAWJCMRSA-N
InChI
InChI=1S/C12H16N2S/c1-10-6-9-15-11(10)4-5-12-13-7-3-8-14(12)2/h4-6,9H,3,7-8H2,1-2H3/b5-4+
Canonical SMILES
Cc1ccsc1C=CC1=NCCCN1C
Isomeric SMILES
CC1=C(SC=C1)/C=C/C2=NCCCN2C

Synonyms

  • Pyrimidine, 1,4,5,6-tetrahydro-1-methyl-2-(2-(3-methyl-2-thienyl)ethenyl)-, (E)-
  • Pyrimidine, 1,4,5,6-tetrahydro-1-methyl-2-[2-(3-methyl-2-thienyl)ethenyl]-, (E)-
  • 1-methyl-2-[(E)-2-(3-methylthiophen-2-yl)ethenyl]-5,6-dihydro-4H-pyrimidine
  • (E)-1-methyl-2-(2-(3-methylthiophen-2-yl)vinyl)-1,4,5,6-tetrahydropyrimidine
  • Pyrimidine, 1,4,5,6-tetrahydro-1-methyl-2-[(1E)-2-(3-methyl-2-thienyl)ethenyl]-
  • Morantelum
  • (E)-Morantel
  • UK 2964-18
  • 20574-50-9 (free base)
  • Morantel (BAN)
  • Banminth II (Salt/Mix)
  • (E)-1,4,5,6-Tetrahydro-1-methyl-2-(2-(3-methyl-2-thienyl)vinyl)pyrimidin
  • trans-1,4,5,6-Tetrahydro-1-methyl-2-(2-(3-methyl-2-thienyl)vinyl)pyrimidine
  • Paratect flex [veterinary] (TN)
  • trans-1,4,5,6-Tetrahydro-1-methyl-2-[(3-methyl-2-thienyl)vinyl]pyrimidine
  • (E)-1,4,5,6-Tetrahydro-1-methyl-2-(2-(3-methyl-2-thienyl)ethenyl)pyrimidine
  • (E)-1,4,5,6-Tetrahydro-1-methyl-2-(2-(3-methyl-2-thienyl)vinyl)pyrimidine
  • 1-Methyl-2-[(E)-2-(3-methyl-2-thienyl)ethenyl]-1,4,5,6-tetrahydropyrimidine
  • 1-Methyl-2-[(E)-2-(3-methylthiophen-2-yl)ethen-1-yl]-1,4,5,6-tetrahydropyrimidine
  • Pyrimidine, 1,4,5,6-tetrahydro-1-methyl-2-[(E)-2-(3-methyl-2-thienyl)ethenyl]-

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
220.34 g/molcalc.
Exact mass
220.1034 Dacalc.
LogP (octanol/water)
2.8calc.
Topological polar surface area
15.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
15calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.42calc.
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, C(=Cc1cccs1)C1=NCCCN1

C(=Cc1cccs1)C1=NCCCN1

2 rings, 13 atoms.

11 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.

Morantel suppliers

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Morantel 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

Use classes: Pharmaceuticals.

Pharmacological actions

  • Anthelmintics
  • Antinematodal Agents

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Morantel 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 Morantel is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Morantel?

1-methyl-2-[2-(3-methyl-2-thiophenyl)ethenyl]-5,6-dihydro-4H-pyrimidine is a member of pyrimidines.

What is the CAS number of Morantel?

The CAS registry number of Morantel is 20574-50-9.

What is the molecular formula and weight of Morantel?

The molecular formula of Morantel is C12H16N2S and its molar mass is 220.34 g/mol.

What is Morantel used for?

Use classes: Pharmaceuticals.

Is Morantel hazardous?

No GHS hazard classification for Morantel 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 Morantel?

Morantel 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 Morantel?

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What is the price of Morantel?

Suppliers quote Morantel 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 Morantel

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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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