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Heterocyclic building blocks

Isochromane

Also known as Isochroman, 3,4-dihydro-1H-2-benzopyran, 1,2,3,4-Tetrahydrobenzo(c)pyran

CAS 493-05-0Formula C9H10OMolar mass 134.18 g/molEC 207-774-0
7 suppliers listed
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Isochromane chemical structure, C9H10O, CAS 493-05-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
493-05-0
Formula
C9H10O
Molar mass
134.18 g/mol
EC number
207-774-0
HS code
293299
Category
Heterocyclic building blocks

What is Isochromane?

Plain description, key identifiers and synonyms

Isochromane is a member of isochromanes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,4-dihydro-1H-isochromene
CAS number
493-05-0 CAS number cross-checked
EC number
207-774-0
Molecular formula
C9H10O
UNII
2CA7RAZ2PM
MDL number
MFCD00006913
InChIKey
HEBMCVBCEDMUOF-UHFFFAOYSA-N
InChI
InChI=1S/C9H10O/c1-2-4-9-7-10-6-5-8(9)3-1/h1-4H,5-7H2
SMILES (canonical and isomeric)
C1COCC2=CC=CC=C21

Synonyms

  • Isochroman
  • 3,4-dihydro-1H-2-benzopyran
  • 1,2,3,4-Tetrahydrobenzo(c)pyran
  • 3,4-Dihydro-1H-isochromene
  • 1H-2-Benzopyran, 3,4-dihydro-
  • 3,4-dihydro-1H-benzo[c]pyran
  • Isochroman, 99%
  • 1H-2-Benzopyran,4-dihydro-
  • 3,4-Dihydro-1H-2-benzopyrane
  • 3,4-Dihydro-1H-isochromene #

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
134.18 g/molcalc.
Exact mass
134.0732 Dacalc.
LogP (octanol/water)
1.76calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
10calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
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, c1ccc2c(c1)CCOC2

c1ccc2c(c1)CCOC2

2 rings, 10 atoms. This chemical is the scaffold itself.

955 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.

Isochromane suppliers

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

All 7 suppliers
7 of 7 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

7 suppliers in 4 countries

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Isochromane 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.

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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 Isochromane is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Isochromane?

Isochromane is a member of isochromanes.

What is the CAS number of Isochromane?

The CAS registry number of Isochromane is 493-05-0.

What is the molecular formula and weight of Isochromane?

The molecular formula of Isochromane is C9H10O and its molar mass is 134.18 g/mol.

What is Isochromane used for?

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

Is Isochromane hazardous?

No GHS hazard classification for Isochromane 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 Isochromane?

Isochromane is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Isochromane?

CompoundList lists 7 suppliers of Isochromane in China, United States, Germany and Japan. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Isochromane?

Suppliers quote Isochromane 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 Isochromane

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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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