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Heterocyclic building blocks

Ryuvidine

Also known as Cdk4 Inhibitor III, 2-methyl-5-[(4-methylphenyl)amino]-4,7-dihydro-1,3-benzothiazole-4,7-dione, 2-methyl-5-((4-methylphenyl)amino)-4,7-dihydro-1,3-benzothiazole-4,7-dione

CAS 265312-55-8Formula C15H12N2O2SMolar mass 284.34 g/mol
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Ryuvidine chemical structure, C15H12N2O2S, CAS 265312-55-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
265312-55-8
Formula
C15H12N2O2S
Molar mass
284.34 g/mol
HS code
293420
Category
Heterocyclic building blocks

What is Ryuvidine?

Plain description, key identifiers and synonyms

Ryuvidine is a member of the class of benzothiazoles that is 1,3-benzothiazole-4,7-dione substituted by methyl and (4-methylphenyl)amino groups at positions 2 and 5, respectively. It is an inhibitor of CDK4 and SETD8 and exhibits cytotoxicity towards a number of human cancer cell lines. It has a role as an antineoplastic agent and an EC 2.7.11.22 (cyclin-dependent kinase) inhibitor. It is an aminotoluene, a member of p-quinones, a member of benzothiazoles and a secondary amino compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methyl-5-(4-methylanilino)-1,3-benzothiazole-4,7-dione
CAS number
265312-55-8
Molecular formula
C15H12N2O2S
UNII
C4QER4DF5C
MDL number
MFCD09971103
InChIKey
HFPLHASLIOXVGS-UHFFFAOYSA-N
InChI
InChI=1S/C15H12N2O2S/c1-8-3-5-10(6-4-8)17-11-7-12(18)15-13(14(11)19)16-9(2)20-15/h3-7,17H,1-2H3
SMILES (canonical and isomeric)
CC1=CC=C(C=C1)NC2=CC(=O)C3=C(C2=O)N=C(S3)C

Synonyms

  • Cdk4 Inhibitor III
  • 2-methyl-5-[(4-methylphenyl)amino]-4,7-dihydro-1,3-benzothiazole-4,7-dione
  • 2-methyl-5-((4-methylphenyl)amino)-4,7-dihydro-1,3-benzothiazole-4,7-dione
  • 2-Methyl-5-[(4-methylphenyl)amino]benzothiazole-4,7-dione
  • 2-methyl-5-(p-tolylamino)benzo[d]thiazole-4,7-dione
  • 2-methyl-5-(4-methylanilino)-1,3-benzothiazole-4,7-dione
  • Ryuvidine?
  • 2-Methyl-5-[(4-methylphenyl)amino]-4,7-benzothiazoledione
  • 5-(N-(4-Methylphenyl)amino)-2-methyl-4,7-dioxobenzothiazole
  • 2-Methyl-5-p-tolylamino-benzothiazole-4,7-dione
  • Sdccgsbi-0086743.p003
  • 4,7-Benzothiazoledione, 2-methyl-5-[(4-methylphenyl)amino]-

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
284.34 g/molcalc.
Exact mass
284.0619 Dacalc.
LogP (octanol/water)
3.13calc.
Topological polar surface area
59.06 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
20calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.13calc.
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, O=C1C(Nc2ccccc2)=CC(=O)c2scnc21

O=C1C(Nc2ccccc2)=CC(=O)c2scnc21

3 rings, 18 atoms.

No other chemical in our database has 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.

Ryuvidine suppliers

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Ryuvidine 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

Roles

  • antineoplastic agent
  • enzyme inhibitor
  • pharmaceutical
  • protein kinase inhibitor

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 Ryuvidine is traded under.

HS 2934.20Indicative HS code

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

World exports in 2024
$662M
+4.3% vs 2023, imports $630M
2019 to 2024
Top exporters
  1. China62.9%
  2. Belgium14.6%
  3. United States5.4%
Top importers
  1. India * partner reported18.5%
  2. United States18.1%
  3. Brazil6.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Ryuvidine?

Ryuvidine is a member of the class of benzothiazoles that is 1,3-benzothiazole-4,7-dione substituted by methyl and (4-methylphenyl)amino groups at positions 2 and 5, respectively. It is an inhibitor of CDK4 and SETD8 and exhibits cytotoxicity towards a number of human cancer cell lines.

What is the CAS number of Ryuvidine?

The CAS registry number of Ryuvidine is 265312-55-8.

What is the molecular formula and weight of Ryuvidine?

The molecular formula of Ryuvidine is C15H12N2O2S and its molar mass is 284.34 g/mol.

What is Ryuvidine used for?

Known uses and roles of Ryuvidine include building blocks in research and laboratory, screening compounds in research and laboratory, antineoplastic agent, enzyme inhibitor, pharmaceutical and 1 more.

Is Ryuvidine hazardous?

No GHS hazard classification for Ryuvidine 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 Ryuvidine?

Ryuvidine is usually classified under HS code 293420 (Compounds containing in the structure a benzothiazole ring-system (whether or not…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ryuvidine?

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

What is the price of Ryuvidine?

Suppliers quote Ryuvidine 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 Ryuvidine

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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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