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CAS 542-28-9 δ-Valerolactone molecular structure lightbox
CAS RN: 542-28-9

δ-Valerolactone

Product Availability

Choose a grade to view its available package options.

3 package records3 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250829 100g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20251002 1kg In stock Shanghai, Tianjin Inquiry
Batchno.20250507 500g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
  • Product code: SSC-161808
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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: 10g, 25g, 100g, 500g, 1000g
  • Available purity: ≥95%
  • Inventory rows with stock: 5
  • 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 542-28-9
Pack Size Recorded Purity Available Qty Ship From Inquiry
10g ≥95% 5 In Stock Shenzhen Inquiry
25g ≥95% 5 In Stock Shenzhen Inquiry
100g ≥95% 5 In Stock Hong Kong Inquiry
500g ≥95% 2 In Stock Beijing Inquiry
1000g ≥95% 1 In Stock Hong Kong Inquiry

542-28-9 / oxan-2-one

Standard CAS: 542-28-9 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
542-28-9
Multi CAS
Yes
Molecular Formula
C5H8O2
Molecular Weight
100.120000
Exact Mass
100.052429
InChI
InChI=1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2
InChIKey
OZJPLYNZGCXSJM-UHFFFAOYSA-N

Physical Properties

Physical Description
Liquid
State
Liquid

Computed Properties

Structural Parameters

Heavy atom count
7
Fraction Csp3
0.8
H-bond acceptors
2
Molar refractivity
24.81
TPSA
26.3

LogP / Solubility

WLOGP
0.71
MLOGP
0.62
XLogP3
-0.3
Consensus LogP
0.34
Log S (ESOL)
-0.91
Class (ESOL)
Very soluble
Log S (Ali)
-0.9
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.9
Class (SILICOS-IT)
Very soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.82

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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