3,4-Dihydro-2H-1-benzopyran - ≥98% , CAS No.493-08-3

CAS: 493-08-3 Cat. No.: D665165 Molecular Weight: 134.17 EC Number: 874-955-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Dihydrobenzopyran
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
D665165-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
250mg
D665165-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$19.90
1g
D665165-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$59.90
5g
D665165-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$247.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Dihydrobenzopyran
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesC1CC2=CC=CC=C2OC1
IUPAC Name3,4-dihydro-2H-chromene
InChIKeyVZWXIQHBIQLMPN-UHFFFAOYSA-N
INCHI1S/C9H10O/c1-2-6-9-8(4-1)5-3-7-10-9/h1-2,4,6H,3,5,7H2
Isomeric SMILES C1CC2=CC=CC=C2OC1
Alternate CAS 493-08-3
Molecular Weight 134.17

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzopyrans
Subclass1-benzopyrans
Intermediate Tree Nodes Not available
Direct Parent1-benzopyrans
Alternative Parents Alkyl aryl ethers  Benzenoids  Oxacyclic compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 1-benzopyran - Alkyl aryl ether - Benzenoid - Oxacycle - Ether - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 1-benzopyrans. These are organic aromatic compounds that 1-benzopyran, a bicyclic compound made up of a benzene ring fused to a pyran, so that the oxygen atom is at the 1-position.
External Descriptors chromanes
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
C2606367Certificate of AnalysisFeb 27, 2026 D665165
C2606368Certificate of AnalysisFeb 27, 2026 D665165
C2606369Certificate of AnalysisFeb 27, 2026 D665165
C2606370Certificate of AnalysisFeb 27, 2026 D665165
E2417428Certificate of AnalysisMar 21, 2024 D665165
E2417429Certificate of AnalysisMar 21, 2024 D665165
Chemical and Physical Properties
Sensitivityheat sensitive
Flash Point(°C)76 °C
Boil Point(°C)99 °C/18 mmHg
Molecular Weight134.170 g/mol
XLogP32.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass134.073 Da
Monoisotopic Mass134.073 Da
Topological Polar Surface Area9.200 Ų
Heavy Atom Count10
Formal Charge0
Complexity111.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
Reviews

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