CompoundList
Sign in
Screening compounds

Cyamemazine

Also known as Cyamepromazine, Tercian, Kyamepromazine

CAS 3546-03-0Formula C19H21N3SMolar mass 323.47 g/molEC 222-594-2
GHS signal word: Warning. Pictograms: Hazardous to the environment 4 suppliers listed
Get quotes Compare 4 suppliers
Cyamemazine chemical structure, C19H21N3S, CAS 3546-03-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3546-03-0
Formula
C19H21N3S
Molar mass
323.47 g/mol
EC number
222-594-2
HS code
293430
Category
Screening compounds

What is Cyamemazine?

Plain description, key identifiers and synonyms

Cyamemazine is a member of phenothiazines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
10-[3-(dimethylamino)-2-methylpropyl]phenothiazine-2-carbonitrile
CAS number
3546-03-0 CAS number cross-checked
EC number
222-594-2
Molecular formula
C19H21N3S
UNII
A2JGV5CNU4
InChIKey
SLFGIOIONGJGRT-UHFFFAOYSA-N
InChI
InChI=1S/C19H21N3S/c1-14(12-21(2)3)13-22-16-6-4-5-7-18(16)23-19-9-8-15(11-20)10-17(19)22/h4-10,14H,12-13H2,1-3H3
SMILES (canonical and isomeric)
CC(CN1C2=CC=CC=C2SC3=C1C=C(C=C3)C#N)CN(C)C

Synonyms

  • Cyamepromazine
  • Tercian
  • Kyamepromazine
  • Ciamemazina
  • Cyamemazinum
  • RP 7204
  • 10-(3-(Dimethylamino)-2-methylpropyl)phenothiazine-2-carbonitrile
  • 10-[3-(dimethylamino)-2-methylpropyl]phenothiazine-2-carbonitrile
  • 10-(3-dimethylamino-2-methylpropyl)phenothiazine-2-carbonitrile
  • cyamamazine
  • 2-Cyano-10-(3-dimethylamino-2-methylpropyl)phenothiazine
  • Cianatil
  • Cyamemazin
  • TH 2602
  • 10-[3-(Dimethylamino)-2-methylpropyl]-10H-phenothiazine-2-carbonitrile
  • 7204 RP
  • F.I. 6229
  • 10-(3-(Dimethylamino)-2-methylpropyl)-10H-phenothiazine-2-carbonitrile
  • 7204 R.E.
  • Cyamemazine (INN)
  • Cyamepromezine
  • Ciamatil
  • Phenothiazine-2-carbonitrile, 10-(3-(dimethylamino)-2-methylpropyl)-
  • 10H-Phenothiazine-2-carbonitrile, 10-(3-(dimethylamino)-2-methylpropyl)-
  • 10H-Phenothiazine-2-carbonitrile, 10-[3-(dimethylamino)-2-methylpropyl]-
Show all 31 synonyms
  • Kyamepromazin
  • FI 6229
  • 4-27-00-04111 (Beilstein Handbook Reference)
  • Cyamemazine - Bio-X trade mark
  • Cyamemazine, >=98% (HPLC)
  • PDSP1_001282

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
323.47 g/molcalc.
Exact mass
323.1456 Dacalc.
LogP (octanol/water)
4.36calc.
Topological polar surface area
30.27 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
23calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.32calc.
Formal charge
0calc.
Stereocentres
1calc.
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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • 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

Cyamemazine suppliers

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

All 4 suppliers
4 of 4 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

4 suppliers in 3 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

Cyamemazine 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: Pharmaceuticals.

Roles

  • antipsychotic agent
  • central nervous system depressant
  • central nervous system drug
  • pharmaceutical
  • psychotropic drug
  • tranquilizing drug

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

Frequently asked questions

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

What is Cyamemazine?

Cyamemazine is a member of phenothiazines.

What is the CAS number of Cyamemazine?

The CAS registry number of Cyamemazine is 3546-03-0.

What is the molecular formula and weight of Cyamemazine?

The molecular formula of Cyamemazine is C19H21N3S and its molar mass is 323.47 g/mol.

What is Cyamemazine used for?

Use classes: Pharmaceuticals.

Is Cyamemazine hazardous?

Cyamemazine carries the GHS signal word "Warning". Main hazards: very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cyamemazine?

Cyamemazine 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 Cyamemazine?

CompoundList lists 4 suppliers of Cyamemazine in China, Spain and France. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Cyamemazine?

Suppliers quote Cyamemazine 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 Cyamemazine

Get quotes for Cyamemazine

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Cyamemazine
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 Cyamemazine with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/cyamemazine-3546-03-0" title="Cyamemazine 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 293430

4 suppliers
Free quotes, contact stays private
Get quotes