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CAS 1003-10-7 4-BUTYROTHIOLACTONE molecular structure lightbox
CAS RN: 1003-10-7

4-BUTYROTHIOLACTONE

Product Availability

Choose a grade to view its available package options.

6 package records5 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260603 100mg In stock Shanghai, Shenzhen Inquiry
Batchno.20260619 100mg / 250mg / 1g / 5g Out of stock 30 business days Inquiry
Batchno.20260528 1g In stock Shanghai Inquiry
Batchno.20250707 250mg In stock Shanghai Inquiry
Batchno.20250207 25g In stock Shanghai Inquiry
Batchno.20250712 5g In stock Shanghai Inquiry
  • Product code: SSC-000750
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Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 1g
  • Available purity: ＞97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 1003-10-7
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ＞97% 0 Out of Stock Beijing Inquiry

1003-10-7 / thiolan-2-one

4-Butyrothiolactone | Thiolan-2-one | Dihydro-2(3H)-thiophenone

Standard CAS: 1003-10-7 Multi CAS: Yes
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
1003-10-7
Multi CAS
Yes
Molecular Formula
C4H6OS
Molecular Weight
102.160000
Exact Mass
102.013936
SMILES
C1CC(=O)SC1
InChI
InChI=1S/C4H6OS/c5-4-2-1-3-6-4/h1-3H2
InChIKey
KMSNYNIWEORQDJ-UHFFFAOYSA-N
Synonyms
4-Butyrothiolactone Thiolan-2-one Dihydro-2(3H)-thiophenone gamma-Thiobutyrolactone 2(3H)-Thiophenone, dihydro-

Physical Properties

Boiling Point
195.00 to 197.00 °C. @ 760.00 mm Hg
Density
1.175-1.185 (20°)
Physical Description
Liquid Clear colourless to yellow liquid; Burnt garlic aroma
State
Liquid

Computed Properties

Structural Parameters

Heavy atom count
6
Fraction Csp3
0.75
H-bond acceptors
2
Molar refractivity
26.7
TPSA
17.07

LogP / Solubility

WLOGP
1.04
MLOGP
0.9
XLogP3
0.7
Consensus LogP
0.88
Log S (ESOL)
-1.13
Class (ESOL)
Soluble
Log S (Ali)
-1.15
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.19
Class (SILICOS-IT)
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)
-2.6

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5

Safety & Transport

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
Precautionary Statement Codes
P264, P270, P301+P317, P330, and P501

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