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Cythioate

Also known as Proban, Cyflee, O,O-Dimethyl O-4-sulfamoylphenyl phosphorothioate

Cythioate chemical structure, C8H12NO5PS2, CAS 115-93-5
2D chemical structure

Key facts

What buyers check first

CAS number
115-93-5
Formula
C8H12NO5PS2
Molar mass
297.29 g/mol
EC number
204-115-9
HS code
293590
Category
Insecticides and acaricides

What is Cythioate?

Plain description, key identifiers and synonyms

Cythioate is a chemical substance with the molecular formula C8H12NO5PS2 and a molar mass of 297.29 g/mol. Its CAS registry number is 115-93-5. The IUPAC name is 4-dimethoxyphosphinothioyloxybenzenesulfonamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-dimethoxyphosphinothioyloxybenzenesulfonamide
CAS number
115-93-5 CAS number cross-checked
EC number
204-115-9
Molecular formula
C8H12NO5PS2
UNII
3OOH7Q4333
InChIKey
BSBSDQUZDZXGFN-UHFFFAOYSA-N
InChI
InChI=1S/C8H12NO5PS2/c1-12-15(16,13-2)14-7-3-5-8(6-4-7)17(9,10)11/h3-6H,1-2H3,(H2,9,10,11)
SMILES (canonical and isomeric)
COP(=S)(OC)OC1=CC=C(C=C1)S(=O)(=O)N

Synonyms

  • Proban
  • Cyflee
  • O,O-Dimethyl O-4-sulfamoylphenyl phosphorothioate
  • O-(4-(Aminosulfonyl)phenyl) O,O-dimethyl phosphorothioate
  • O,O-Dimethyl-O-(p-sulfamoylphenyl)-phosphorothioate
  • Phosphorothioic acid, O-(4-(aminosulfonyl)phenyl) O,O-dimethyl ester
  • Phosphorothioic acid, O-[4-(aminosulfonyl)phenyl] O,O-dimethyl ester
  • Proban Tablets
  • Proban Oral Liquid
  • Proban Cythioate Tablets 30 mg
  • O,O-Dimethyl O-(4-sulphamoylphenyl) phosphorothioate
  • American CL-26691
  • American cyanamid CL-26,691
  • CL 26691
  • Cythoate
  • ENT 25,640
  • AC 26,691
  • American CL-26,691
  • O,O-Dimethyl O-(4-sulfamoylphenyl) phosphorothioate
  • O,O-Dimethyl O-p-sulfamoylphenyl phosphorothioate
  • O,O-Dimethyl O-(4-sulphamoylphenyl) thiophosphate
  • 4-dimethoxyphosphinothioyloxybenzenesulfonamide
  • Cythioate (BAN)
  • Benzenesulfonamide, p-hydroxy-, O-ester with O,O-dimethyl phosphorothioate
  • Phosphorothioic acid, O,O-dimethyl ester, O-ester with p-hydroxybenzenesulfonamide
Show all 32 synonyms
  • Proban (VAN)
  • O,O-Dimethyl O-4-sulphamoylphenyl phosphorothioate
  • Proban (TN)
  • O,O-Dimethyl O-(4-(aminosulfonyl)phenyl) phosphorothioate
  • O,O-Dimethyl phosphorothioate O-ester with p-hydroxybenzenesulfonamide
  • Cythioate, PESTANAL(R), analytical standard
  • O,O-dimethyl O-(4-sulfamoyl phenyl)phosphorothioate

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
297.29 g/molcalc.
Exact mass
296.9895 Dacalc.
LogP (octanol/water)
1.23calc.
Topological polar surface area
87.85 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
5calc.
Heavy atoms
17calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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

  • H301Toxic 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

Cythioate suppliers

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Cythioate 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: Animal Drugs.

Pharmacological actions

  • Insecticides

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cythioate is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Cythioate?

Cythioate is a chemical substance with the molecular formula C8H12NO5PS2 and a molar mass of 297.29 g/mol. Its CAS registry number is 115-93-5. The IUPAC name is 4-dimethoxyphosphinothioyloxybenzenesulfonamide.

What is the CAS number of Cythioate?

The CAS registry number of Cythioate is 115-93-5.

What is the molecular formula and weight of Cythioate?

The molecular formula of Cythioate is C8H12NO5PS2 and its molar mass is 297.29 g/mol.

What is Cythioate used for?

Use classes: Animal Drugs.

Is Cythioate hazardous?

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

What is the HS code of Cythioate?

Cythioate is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cythioate?

Post a free request on CompoundList and suppliers of Cythioate will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cythioate?

Suppliers quote Cythioate 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 Cythioate

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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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