CompoundList
Sign in
Screening compounds

Pyridate

Also known as Fenpyrate, Lentagran, O-(6-Chloro-3-phenyl-4-pyridazinyl) S-octyl carbonothioate

CAS 55512-33-9Formula C19H23ClN2O2SMolar mass 378.93 g/molEC 259-686-7
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 3 suppliers listed
Get quotes Compare 3 suppliers
Pyridate chemical structure, C19H23ClN2O2S, CAS 55512-33-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
55512-33-9
Formula
C19H23ClN2O2S
Molar mass
378.93 g/mol
EC number
259-686-7
HS code
293399
Category
Screening compounds

What is Pyridate?

Plain description, key identifiers and synonyms

Pyridate is a member of pyridazines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(6-chloro-3-phenylpyridazin-4-yl) octylsulfanylformate
CAS number
55512-33-9 CAS number cross-checked
EC number
259-686-7
Molecular formula
C19H23ClN2O2S
UNII
JQH131LU0A
MDL number
MFCD00078718
InChIKey
JTZCTMAVMHRNTR-UHFFFAOYSA-N
InChI
InChI=1S/C19H23ClN2O2S/c1-2-3-4-5-6-10-13-25-19(23)24-16-14-17(20)21-22-18(16)15-11-8-7-9-12-15/h7-9,11-12,14H,2-6,10,13H2,1H3
SMILES (canonical and isomeric)
CCCCCCCCSC(=O)OC1=CC(=NN=C1C2=CC=CC=C2)Cl

Synonyms

  • Fenpyrate
  • Lentagran
  • O-(6-Chloro-3-phenyl-4-pyridazinyl) S-octyl carbonothioate
  • Carbonothioic acid, o-(6-chloro-3-phenyl-4-pyridazinyl) S-octyl ester
  • O-(6-chloro-3-phenyl-4-pyridazinyl)carbonothioic acid S-octyl ester
  • Pyridat
  • Tough
  • Pyron
  • CL 11344
  • O-(6-Chloro-3-phenylpyridazin-4-yl) S-octyl thiocarbonate
  • Pyridat, analytical standard
  • (6-chloro-3-phenyl-pyridazin-4-yl) octylsulfanylformate
  • (6-chloro-3-phenylpyridazin-4-yl) octylsulfanylformate
  • Carbonothioic acid, O-(6-chloro-3-phenyl-4-pyridizinyl) S-octyl ester
  • Pyridat, PESTANAL(R), analytical standard
  • o-(6-Chloro-3-phenyl-4-pyridazinyl) S-octyl thiocarbonate
  • O-(6-Chloro-3-phenylpyridazin-4-yl) S-octyl carbonothioate
  • o-6-Chloro-3-phenylpyridazin-4-yl S-octyl thiocarbonate

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
378.93 g/molcalc.
Exact mass
378.1169 Dacalc.
LogP (octanol/water)
6.39calc.
Topological polar surface area
52.08 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
9calc.
Heavy atoms
25calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.42calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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(-c2cccnn2)cc1

c1ccc(-c2cccnn2)cc1

2 rings, 12 atoms, the 3-Phenylpyridazine ring system.

757 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (15)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

Pyridate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 3 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 2 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Pyridate price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Use classes: Pesticides, Herbicides.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-232-00-7

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Pyridate?

Pyridate is a member of pyridazines.

What is the CAS number of Pyridate?

The CAS registry number of Pyridate is 55512-33-9.

What is the molecular formula and weight of Pyridate?

The molecular formula of Pyridate is C19H23ClN2O2S and its molar mass is 378.93 g/mol.

What is Pyridate used for?

Use classes: Pesticides, Herbicides.

Is Pyridate hazardous?

Pyridate carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pyridate?

Pyridate is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pyridate?

CompoundList lists 3 suppliers of Pyridate in Canada and 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 Pyridate?

Suppliers quote Pyridate 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 Pyridate

Get quotes for Pyridate

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Pyridate
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Pyridate with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/pyridate-55512-33-9" title="Pyridate structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Screening compounds or HS code 293399

3 suppliers
Free quotes, contact stays private
Get quotes