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Aldehydes and ketones

Methylenomycin B

Also known as 2,3-Dimethyl-5-methylene-2-cyclopenten-1-one, 2,3-dimethyl-5-methylidenecyclopent-2-en-1-one, 2-Cyclopenten-1-one, 2,3-dimethyl-5-methylene-

CAS 52775-77-6Formula C8H10OMolar mass 122.17 g/mol
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Methylenomycin B chemical structure, C8H10O, CAS 52775-77-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
52775-77-6
Formula
C8H10O
Molar mass
122.17 g/mol
HS code
291429
Category
Aldehydes and ketones

What is Methylenomycin B?

Plain description, key identifiers and synonyms

Methylenomycin B is a chemical substance with the molecular formula C8H10O and a molar mass of 122.17 g/mol. Its CAS registry number is 52775-77-6. The IUPAC name is 2,3-dimethyl-5-methylidenecyclopent-2-en-1-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,3-dimethyl-5-methylidenecyclopent-2-en-1-one
CAS number
52775-77-6 CAS number cross-checked
Molecular formula
C8H10O
UNII
WLO3E84KAS
InChIKey
YDXIEAHUYZKJOH-UHFFFAOYSA-N
InChI
InChI=1S/C8H10O/c1-5-4-6(2)8(9)7(5)3/h2,4H2,1,3H3
SMILES (canonical and isomeric)
CC1=C(C(=O)C(=C)C1)C

Synonyms

  • 2,3-Dimethyl-5-methylene-2-cyclopenten-1-one
  • 2,3-dimethyl-5-methylidenecyclopent-2-en-1-one
  • 2-Cyclopenten-1-one, 2,3-dimethyl-5-methylene-
  • 2,3-dimethyl-5-methylenecyclopent-2-en-1-one

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
122.17 g/molcalc.
Exact mass
122.0732 Dacalc.
LogP (octanol/water)
1.85calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.38calc.
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, C=C1CC=CC1=O

C=C1CC=CC1=O

1 ring, 7 atoms, the 5-Methylidenecyclopent-2-en-1-one ring system.

54 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.

Methylenomycin B suppliers

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Methylenomycin B 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 Methylenomycin B is traded under.

HS 2914.29Indicative HS code

Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function, other

World exports in 2024
$1B
+6.6% vs 2023, imports $980M
2019 to 2024
Top exporters
  1. China32.5%
  2. India * partner reported12.9%
  3. Germany12.3%
Top importers
  1. United States15.7%
  2. Japan8.7%
  3. Germany8.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Methylenomycin B, based on the data on this page

What is Methylenomycin B?

Methylenomycin B is a chemical substance with the molecular formula C8H10O and a molar mass of 122.17 g/mol. Its CAS registry number is 52775-77-6. The IUPAC name is 2,3-dimethyl-5-methylidenecyclopent-2-en-1-one.

What is the CAS number of Methylenomycin B?

The CAS registry number of Methylenomycin B is 52775-77-6.

What is the molecular formula and weight of Methylenomycin B?

The molecular formula of Methylenomycin B is C8H10O and its molar mass is 122.17 g/mol.

What is Methylenomycin B used for?

Known uses and roles of Methylenomycin B include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Methylenomycin B hazardous?

No GHS hazard classification for Methylenomycin B 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 Methylenomycin B?

Methylenomycin B is usually classified under HS code 291429 (Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methylenomycin B?

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

What is the price of Methylenomycin B?

Suppliers quote Methylenomycin B 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 Methylenomycin B

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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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