CompoundList
Sign in
Chromatography and spectroscopy reagents

Umckalin

Also known as 7-hydroxy-5,6-dimethoxychromen-2-one, 2H-1-Benzopyran-2-one, 7-hydroxy-5,6-dimethoxy-, 7-hydroxy-5,6-dimethoxycoumarin

CAS 43053-62-9Formula C11H10O5Molar mass 222.20 g/molEC 664-001-3
GHS signal word: Warning. Pictograms: Harmful or irritant
Get quotes Safety data
Umckalin chemical structure, C11H10O5, CAS 43053-62-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
43053-62-9
Formula
C11H10O5
Molar mass
222.20 g/mol
EC number
664-001-3
HS code
293220
Category
Chromatography and spectroscopy reagents

What is Umckalin?

Plain description, key identifiers and synonyms

7-Hydroxy-5,6-dimethoxy-2H-1-benzopyran-2-one has been reported in Pterocaulon redolens, Diatenopteryx sorbifolia, and other organisms.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
7-hydroxy-5,6-dimethoxychromen-2-one
CAS number
43053-62-9 CAS number cross-checked
EC number
664-001-3
Molecular formula
C11H10O5
UNII
NBS6Y7MTS8
MDL number
MFCD16036238
InChIKey
DVBPETFXQYSHLJ-UHFFFAOYSA-N
InChI
InChI=1S/C11H10O5/c1-14-10-6-3-4-9(13)16-8(6)5-7(12)11(10)15-2/h3-5,12H,1-2H3
SMILES (canonical and isomeric)
COC1=C(C(=CC2=C1C=CC(=O)O2)O)OC

Synonyms

  • 7-hydroxy-5,6-dimethoxychromen-2-one
  • 2H-1-Benzopyran-2-one, 7-hydroxy-5,6-dimethoxy-
  • 7-hydroxy-5,6-dimethoxycoumarin
  • 7-hydroxy-5,6-dimethoxy-2H-chromen-2-one
  • 7-Hydroxy-5,6-dimethoxy-2H-1-benzopyran-2-one
  • 2H-1-Benzopyran-2-one, 7-hydroxy-5,6-dimethoxy-, 7-Hydroxy-5,6-dimethoxy-2H-1-benzopyran-2-one, Umckalin
  • Umckalin, HPLC Grade
  • Umckalin, analytical standard
  • 7-hydroxy-5,6-di Methoxycoumarin(Umckalin)

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
222.20 g/molcalc.
Exact mass
222.0528 Dacalc.
LogP (octanol/water)
1.52calc.
Topological polar surface area
68.9 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.18calc.
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=c1ccc2ccccc2o1

O=c1ccc2ccccc2o1

2 rings, 11 atoms, the Coumarin ring system.

3,845 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

Hazard statements

  • H302Harmful if swallowed.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • 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

Umckalin suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade Umckalin can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Umckalin 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

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

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 Umckalin is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Umckalin?

7-Hydroxy-5,6-dimethoxy-2H-1-benzopyran-2-one has been reported in Pterocaulon redolens, Diatenopteryx sorbifolia, and other organisms.

What is the CAS number of Umckalin?

The CAS registry number of Umckalin is 43053-62-9.

What is the molecular formula and weight of Umckalin?

The molecular formula of Umckalin is C11H10O5 and its molar mass is 222.20 g/mol.

Is Umckalin hazardous?

Umckalin carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Umckalin?

Umckalin is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Umckalin?

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

What is the price of Umckalin?

Suppliers quote Umckalin 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 Umckalin

Get quotes for Umckalin

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Umckalin
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 Umckalin 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/umckalin-43053-62-9" title="Umckalin 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 Chromatography and spectroscopy reagents or HS code 293220

Price on request
Free quotes, contact stays private
Get quotes