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CAS 491-38-3 CHROMONE molecular structure lightbox
CAS RN: 491-38-3

CHROMONE

Product Availability

Choose a grade to view its available package options.

10 package records10 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250319 100g In stock Inquiry
Batchno.20251020 10g In stock Inquiry
Batchno.20250903 1g In stock Inquiry
Batchno.20251217 25g In stock Inquiry
Batchno.20250716 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250413 100g In stock Shanghai, Tianjin, Chengdu Inquiry
Batchno.20250227 10g In stock Shanghai Inquiry
Batchno.20260107 1g In stock Shanghai, Shenzhen, Tianjin Inquiry
Batchno.20251227 25g In stock Shanghai Inquiry
Batchno.20250406 5g In stock Shanghai, Shenzhen, Wuhan Inquiry
  • Product code: SSC-155523
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 1g, 5g, 10g, 25g
  • Available purity: >97%
  • Inventory rows with stock: 1
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 491-38-3
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g >97% 1 In Stock Beijing Inquiry
5g >97% 0 Out of Stock Hong Kong Inquiry
10g >97% 0 Out of Stock Hong Kong Inquiry
25g >97% 0 Out of Stock Shanghai Inquiry

491-38-3 / chromen-4-one

Standard CAS: 491-38-3 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
491-38-3
Multi CAS
Yes
Molecular Formula
C9H6O2
Molecular Weight
146.140000
Exact Mass
146.036779
InChI
InChI=1S/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H
InChIKey
OTAFHZMPRISVEM-UHFFFAOYSA-N

Physical Properties

Melting Point
59 °C
Physical Description
Solid
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
11
Aromatic heavy atom count
10
H-bond acceptors
2
Molar refractivity
42.48
TPSA
30.21

LogP / Solubility

WLOGP
1.79
MLOGP
1.57
XLogP3
1.4
Consensus LogP
1.59
Log S (ESOL)
-2.55
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.05
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.1
Class (SILICOS-IT)
Moderately soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.34

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5

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