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Impurities and reference standards

2-Chlorophenothiazine

Also known as 2-Chloro-10H-phenothiazine, 10H-Phenothiazine, 2-chloro-, Phenothiazine, 2-chloro-

CAS 92-39-7Formula C12H8ClNSMolar mass 233.72 g/molEC 202-152-5
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 19 suppliers listed
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2-Chlorophenothiazine chemical structure, C12H8ClNS, CAS 92-39-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
92-39-7
Formula
C12H8ClNS
Molar mass
233.72 g/mol
EC number
202-152-5
HS code
293430
Category
Impurities and reference standards

What is 2-Chlorophenothiazine?

Plain description, key identifiers and synonyms

2-Chlorophenothiazine is a chemical substance with the molecular formula C12H8ClNS and a molar mass of 233.72 g/mol. Its CAS registry number is 92-39-7. The IUPAC name is 2-chloro-10H-phenothiazine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-chloro-10H-phenothiazine
CAS number
92-39-7 CAS number cross-checked
EC number
202-152-5
Molecular formula
C12H8ClNS
UNII
95H3AO2301
MDL number
MFCD00005016
InChIKey
KFZGLJSYQXZIGP-UHFFFAOYSA-N
InChI
InChI=1S/C12H8ClNS/c13-8-5-6-12-10(7-8)14-9-3-1-2-4-11(9)15-12/h1-7,14H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)NC3=C(S2)C=CC(=C3)Cl

Synonyms

  • 2-Chloro-10H-phenothiazine
  • 10H-Phenothiazine, 2-chloro-
  • Phenothiazine, 2-chloro-
  • 2-chloro-phenothiazine
  • Prochlorperazine maleate impurity d
  • Chlorpromazine hydrochloride impurity e
  • Prochlorperazine maleate impurity d (ep impurity)
  • Chlorpromazine hydrochloride impurity e (ep impurity)
  • 2-Chloro Phenothiazine
  • Chlorpromazine EP Impurity E
  • 2-Chlorothiodiphenylamine
  • Chlorpromazine EP Impurity E, <br>Prochlorperazine Maleate EP Impurity D
  • 2-chlor-phenothiazin
  • 2-chloropheno-thiazine
  • 2-Chlorophenothizine
  • 2-Chlorophenothiazine, 95%
  • 2-Chlorophenothiazine, 97%
  • Chlorpromazine impurity E CRS
  • Chlorpromazine impurity E, European Pharmacopoeia (EP) Reference Standard

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
233.72 g/molcalc.
Exact mass
233.0066 Dacalc.
LogP (octanol/water)
4.55calc.
Topological polar surface area
12.03 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
15calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
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, c1ccc2c(c1)Nc1ccccc1S2

c1ccc2c(c1)Nc1ccccc1S2

3 rings, 14 atoms, the Phenothiazine ring system.

1,001 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
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H341Suspected of causing genetic defects.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (22)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • 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.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

2-Chlorophenothiazine suppliers

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

All 19 suppliers
19 of 19 offers

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

19 suppliers in 7 countries

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2-Chlorophenothiazine 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 2-Chlorophenothiazine is traded under.

HS 2934.30Indicative HS code

Compounds containing in the structure a phenothiazine ring-system (whether or not…

World exports in 2024
$89.3M
−7.1% vs 2023, imports $97M
2019 to 2024
Top exporters
  1. Germany21.6%
  2. France * partner reported14.6%
  3. China13.0%
Top importers
  1. United States14.2%
  2. Brazil12.7%
  3. India * partner reported10.6%

* Partner reported figures, a lower bound.

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

The HS code shown for 2-Chlorophenothiazine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Chlorophenothiazine, based on the data on this page

What is 2-Chlorophenothiazine?

2-Chlorophenothiazine is a chemical substance with the molecular formula C12H8ClNS and a molar mass of 233.72 g/mol. Its CAS registry number is 92-39-7. The IUPAC name is 2-chloro-10H-phenothiazine.

What is the CAS number of 2-Chlorophenothiazine?

The CAS registry number of 2-Chlorophenothiazine is 92-39-7.

What is the molecular formula and weight of 2-Chlorophenothiazine?

The molecular formula of 2-Chlorophenothiazine is C12H8ClNS and its molar mass is 233.72 g/mol.

Is 2-Chlorophenothiazine hazardous?

2-Chlorophenothiazine carries the GHS signal word "Warning". Main hazards: causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Chlorophenothiazine?

2-Chlorophenothiazine is usually classified under HS code 293430 (Compounds containing in the structure a phenothiazine ring-system (whether or not…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Chlorophenothiazine?

CompoundList lists 19 suppliers of 2-Chlorophenothiazine in China, India, United States, Switzerland and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 2-Chlorophenothiazine in India?

4 suppliers in India list 2-Chlorophenothiazine on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 2-Chlorophenothiazine?

Suppliers quote 2-Chlorophenothiazine 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 2-Chlorophenothiazine

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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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