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Pharmaceuticals and APIs

Levamisole phosphate

Also known as (-)-2,3,5,6-Tetrahydro-6-phenylimidazo(2,1-b)thiazole phosphate, Imidazo(2,1-b)thiazole, 2,3,5,6-tetrahydro-6-phenyl-, (S)-, phosphate (1:1), Imidazo(2,1-b)thiazole, 2,3,5,6-tetrahydro-6-phenyl-, phosphate (1:1), (-)-

CAS 32093-35-9Formula C11H15N2O4PSMolar mass 302.29 g/molEC 250-920-3
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant, Serious health hazard 3 suppliers listed Drug substance
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Levamisole phosphate chemical structure, C11H15N2O4PS, CAS 32093-35-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
32093-35-9
Formula
C11H15N2O4PS
Molar mass
302.29 g/mol
EC number
250-920-3
HS code
293499
Category
Pharmaceuticals and APIs

What is Levamisole phosphate?

Plain description, key identifiers and synonyms

Levamisole phosphate is a chemical substance with the molecular formula C11H15N2O4PS and a molar mass of 302.29 g/mol. Its CAS registry number is 32093-35-9. The IUPAC name is (6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole, phosphoric acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole, phosphoric acid
CAS number
32093-35-9 CAS number cross-checkedOther or deprecated CAS: 49548-36-9
EC number
250-920-3
Molecular formula
C11H15N2O4PS
UNII
FIG89N8AZY
InChIKey
QEMMFDPTLWDHKP-HNCPQSOCSA-N
InChI
InChI=1S/C11H12N2S.H3O4P/c1-2-4-9(5-3-1)10-8-13-6-7-14-11(13)12-10;1-5(2,3)4/h1-5,10H,6-8H2;(H3,1,2,3,4)/t10-;/m1./s1
Canonical SMILES
O=P(O)(O)O.c1ccc(C2CN3CCSC3=N2)cc1
Isomeric SMILES
C1CSC2=N[C@H](CN21)C3=CC=CC=C3.OP(=O)(O)O

Synonyms

  • (-)-2,3,5,6-Tetrahydro-6-phenylimidazo(2,1-b)thiazole phosphate
  • Imidazo(2,1-b)thiazole, 2,3,5,6-tetrahydro-6-phenyl-, (S)-, phosphate (1:1)
  • Imidazo(2,1-b)thiazole, 2,3,5,6-tetrahydro-6-phenyl-, phosphate (1:1), (-)-
  • Levasole Injectable Solution
  • Tramisol Injectable Solution
  • (6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole, phosphoric acid
  • (S)-2,3,5,6-Tetrahydro-6-phenylimidazo(2,1-b)thiazoletriylium phosphate
  • Imidazo[2,1-b]thiazole, 2,3,5,6-tetrahydro-6-phenyl-, (S)-, phosphate(1:1)
  • (S)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole phosphate
  • Phosphoric acid--(6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole (1/1)

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
302.29 g/molcalc.
Exact mass
302.049 Dacalc.
LogP (octanol/water)
1.22calc.
Topological polar surface area
93.36 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
19calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.36calc.
Formal charge
0calc.
Stereocentres
1calc.
Components
2calc.
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, c1ccc(C2CN3CCSC3=N2)cc1

c1ccc(C2CN3CCSC3=N2)cc1

3 rings, 14 atoms, the (±)-Tetramisole ring system.

41 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)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H301Toxic if swallowed.
  • H302Harmful if swallowed.
  • H361dSuspected of damaging the unborn child.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (14)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P317If swallowed: Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • 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

Levamisole phosphate suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 1 country

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Levamisole phosphate price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Use classes: Animal Drugs.

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

Frequently asked questions

Quick answers about Levamisole phosphate, based on the data on this page

What is Levamisole phosphate?

Levamisole phosphate is a chemical substance with the molecular formula C11H15N2O4PS and a molar mass of 302.29 g/mol. Its CAS registry number is 32093-35-9. The IUPAC name is (6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole, phosphoric acid.

What is the CAS number of Levamisole phosphate?

The CAS registry number of Levamisole phosphate is 32093-35-9. Other or deprecated CAS numbers: 49548-36-9.

What is the molecular formula and weight of Levamisole phosphate?

The molecular formula of Levamisole phosphate is C11H15N2O4PS and its molar mass is 302.29 g/mol.

What is Levamisole phosphate used for?

Use classes: Animal Drugs.

Is Levamisole phosphate hazardous?

Levamisole phosphate carries the GHS signal word "Danger". Main hazards: toxic if swallowed, harmful if swallowed, suspected of damaging the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Levamisole phosphate?

Levamisole phosphate 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 Levamisole phosphate?

CompoundList lists 3 suppliers of Levamisole phosphate 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 Levamisole phosphate?

Suppliers quote Levamisole phosphate 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 Levamisole phosphate

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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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