CompoundList
Sign in
Impurities and reference standards

10-Hydroxywarfarin

Also known as 4-Hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one, 10-Hydroxy Warfarin, 4-Hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)chromen-2-one

CAS 83219-99-2Formula C19H16O5Molar mass 324.33 g/molEC 621-581-2
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe)
Get quotes Safety data
10-Hydroxywarfarin chemical structure, C19H16O5, CAS 83219-99-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
83219-99-2
Formula
C19H16O5
Molar mass
324.33 g/mol
EC number
621-581-2
HS code
293220
Category
Impurities and reference standards

What is 10-Hydroxywarfarin?

Plain description, key identifiers and synonyms

4-hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)-2H-chromen-2-one is a hydroxycoumarin.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)chromen-2-one
CAS number
83219-99-2 CAS number cross-checked
EC number
621-581-2
Molecular formula
C19H16O5
MDL number
MFCD00272676
InChIKey
BPZSPAZBZFZZBN-UHFFFAOYSA-N
InChI
InChI=1S/C19H16O5/c1-11(20)17(21)15(12-7-3-2-4-8-12)16-18(22)13-9-5-6-10-14(13)24-19(16)23/h2-10,15,17,21-22H,1H3
SMILES (canonical and isomeric)
CC(=O)C(C(C1=CC=CC=C1)C2=C(C3=CC=CC=C3OC2=O)O)O

Synonyms

  • 4-Hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one
  • 10-Hydroxy Warfarin
  • 4-Hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)chromen-2-one
  • 4-hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)-2H-chromen-2-one
  • 2-hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)-1-benzopyran-4-one
  • Warfarin Sodium Impurity 25(10-Hydroxywarfarin)
  • 4-hydroxy-3-(2-hydroxy-3-oxo-1-phenyl-butyl)chromen-2-one
  • 2-Hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)-4H-1-benzopyran-4-one
  • 2H-1-Benzopyran-2-one, 4-hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)-

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
324.33 g/molcalc.
Exact mass
324.0998 Dacalc.
LogP (octanol/water)
2.58calc.
Topological polar surface area
87.74 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
4calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.16calc.
Formal charge
0calc.
Stereocentres
2calc.
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=c1oc2ccccc2cc1Cc1ccccc1

O=c1oc2ccccc2cc1Cc1ccccc1

3 rings, 18 atoms, the 3-Benzyl-2H-1-benzopyran-2-one ring system.

221 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H300Fatal if swallowed.
  • H318Causes serious eye damage.
Precautionary statements (11)
  • 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 + P316If swallowed: Get emergency medical help immediately.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P405Store locked up.
  • 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

10-Hydroxywarfarin 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 10-Hydroxywarfarin can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

10-Hydroxywarfarin 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 10-Hydroxywarfarin 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 10-Hydroxywarfarin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 10-Hydroxywarfarin, based on the data on this page

What is 10-Hydroxywarfarin?

4-hydroxy-3-(2-hydroxy-3-oxo-1-phenylbutyl)-2H-chromen-2-one is a hydroxycoumarin.

What is the CAS number of 10-Hydroxywarfarin?

The CAS registry number of 10-Hydroxywarfarin is 83219-99-2.

What is the molecular formula and weight of 10-Hydroxywarfarin?

The molecular formula of 10-Hydroxywarfarin is C19H16O5 and its molar mass is 324.33 g/mol.

Is 10-Hydroxywarfarin hazardous?

10-Hydroxywarfarin carries the GHS signal word "Danger". Main hazards: fatal if swallowed, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 10-Hydroxywarfarin?

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

Where can I buy 10-Hydroxywarfarin?

Post a free request on CompoundList and suppliers of 10-Hydroxywarfarin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 10-Hydroxywarfarin?

Suppliers quote 10-Hydroxywarfarin 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 10-Hydroxywarfarin

Get quotes for 10-Hydroxywarfarin

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell 10-Hydroxywarfarin
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 10-Hydroxywarfarin 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/10-hydroxywarfarin-83219-99-2" title="10-Hydroxywarfarin 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 Impurities and reference standards or HS code 293220

Price on request
Free quotes, contact stays private
Get quotes