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CAS 19978-32-6 3-Bromo-2H-pyran-2-one molecular structure lightbox
CAS RN: 19978-32-6

3-Bromo-2H-pyran-2-one

Product Availability

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3 package records2 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260403 50mg Out of stock 5-7 business days Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260122 100mg In stock Shanghai Inquiry
Batchno.20251212 250mg In stock Shanghai Inquiry
  • Product code: SSC-094030
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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: 0.1g, 0.25g, 5g, 1g
  • Available purity: >98%
  • Inventory rows with stock: 4
  • 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 19978-32-6
Pack Size Recorded Purity Available Qty Ship From Inquiry
0.1g >98% 5 In Stock Hong Kong Inquiry
0.25g >98% 5 In Stock Beijing Inquiry
5g >98% 5 In Stock Shenzhen Inquiry
1g >98% 1 In Stock Shanghai Inquiry

19978-32-6 / 3-bromopyran-2-one

Standard CAS: 19978-32-6 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
19978-32-6
Multi CAS
No
Molecular Formula
C5H3BrO2
Molecular Weight
174.980000
Exact Mass
173.931640
SMILES
C1=COC(=O)C(=C1)Br
InChI
InChI=1S/C5H3BrO2/c6-4-2-1-3-8-5(4)7/h1-3H
InChIKey
UVMFAVNCKFUDRS-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
8
Aromatic heavy atom count
6
H-bond acceptors
2
Molar refractivity
32.68
TPSA
30.21

LogP / Solubility

WLOGP
1.4
MLOGP
1.23
XLogP3
1.7
Consensus LogP
1.44
Log S (ESOL)
-2.36
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.01
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-1.96
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)
-2.79

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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