CompoundList

RL 218

Also known as 6H-(1,2,4)Triazolo(4,3-a)(1,5)benzodiazepine, 8-chloro-1-methyl-5-(4-methyl-1-piperazinyl)-6-phenyl-, 8-chloro-1-methyl-5-(4-methylpiperazin-1-yl)-6-phenyl-6H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5-(4-methylpiperazinyl)-8-chloro-6-phenyl-6H-(1,2,4)triazolo(4,3-a)(1,5)benzodiazepine

CAS 153901-56-5Formula C22H23ClN6Molar mass 406.92 g/mol
RL 218 chemical structure, C22H23ClN6, CAS 153901-56-5
2D chemical structure

Key facts

What buyers check first

CAS number
153901-56-5
Formula
C22H23ClN6
Molar mass
406.92 g/mol
HS code
293359
Category
Screening compounds

What is RL 218?

Plain description, key identifiers and synonyms

RL 218 is a chemical substance with the molecular formula C22H23ClN6 and a molar mass of 406.92 g/mol. Its CAS registry number is 153901-56-5. The IUPAC name is 8-chloro-1-methyl-5-(4-methylpiperazin-1-yl)-6-phenyl-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
8-chloro-1-methyl-5-(4-methylpiperazin-1-yl)-6-phenyl-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine
CAS number
153901-56-5 CAS number cross-checked
Molecular formula
C22H23ClN6
InChIKey
IVTYOJOLKCTFCX-UHFFFAOYSA-N
InChI
InChI=1S/C22H23ClN6/c1-16-24-25-21-15-22(27-12-10-26(2)11-13-27)29(18-6-4-3-5-7-18)20-14-17(23)8-9-19(20)28(16)21/h3-9,14-15H,10-13H2,1-2H3
SMILES (canonical and isomeric)
CC1=NN=C2N1C3=C(C=C(C=C3)Cl)N(C(=C2)N4CCN(CC4)C)C5=CC=CC=C5

Synonyms

  • 6H-(1,2,4)Triazolo(4,3-a)(1,5)benzodiazepine, 8-chloro-1-methyl-5-(4-methyl-1-piperazinyl)-6-phenyl-
  • 8-chloro-1-methyl-5-(4-methylpiperazin-1-yl)-6-phenyl-6H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine
  • 5-(4-methylpiperazinyl)-8-chloro-6-phenyl-6H-(1,2,4)triazolo(4,3-a)(1,5)benzodiazepine

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
406.92 g/molcalc.
Exact mass
406.1673 Dacalc.
LogP (octanol/water)
3.93calc.
Topological polar surface area
40.43 ร…ยฒcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
29calc.
Rings
5calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.27calc.
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, C1=C(N2CCNCC2)N(c2ccccc2)c2ccccc2-n2cnnc21

C1=C(N2CCNCC2)N(c2ccccc2)c2ccccc2-n2cnnc21

5 rings, 26 atoms.

2 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

RL 218 suppliers

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RL 218 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

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 RL 218 is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

The HS code shown for RL 218 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about RL 218, based on the data on this page

What is RL 218?

RL 218 is a chemical substance with the molecular formula C22H23ClN6 and a molar mass of 406.92 g/mol. Its CAS registry number is 153901-56-5. The IUPAC name is 8-chloro-1-methyl-5-(4-methylpiperazin-1-yl)-6-phenyl-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine.

What is the CAS number of RL 218?

The CAS registry number of RL 218 is 153901-56-5.

What is the molecular formula and weight of RL 218?

The molecular formula of RL 218 is C22H23ClN6 and its molar mass is 406.92 g/mol.

What is RL 218 used for?

Known uses and roles of RL 218 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is RL 218 hazardous?

No GHS hazard classification for RL 218 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of RL 218?

RL 218 is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ringโ€ฆ). This is indicative, confirm it with your customs broker before shipping.

Where can I buy RL 218?

Post a free request on CompoundList and suppliers of RL 218 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of RL 218?

Suppliers quote RL 218 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 RL 218

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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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