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CAS 2421-28-5 3,3′,4,4′-Benzophenonetetracarboxylic Dianhydride (purified by sublimation) molecular structure lightbox
CAS RN: 2421-28-5

3,3′,4,4′-Benzophenonetetracarboxylic Dianhydride (purified by sublimation)

Product Availability

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12 package records12 with current stock4 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250219 100g In stock Inquiry
Batchno.20250126 25g In stock Inquiry
Batchno.20260413 500g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250311 100g In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batchno.20260331 1kg In stock Shanghai, Shandong, Guangdong Inquiry
Batchno.20260605 25g In stock Shanghai, Shandong Inquiry
Batchno.20250928 500g In stock Shanghai, Shandong, Chongqing Inquiry
Batchno.20260502 5g In stock Shanghai, Shandong, Guangdong, Chongqing Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250311 25g / 100g / 500g / 2.5kg Confirm by inquiry Shandong, Shanghai, Chongqing Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260102 100g In stock Inquiry
Batchno.20260327 25g In stock Inquiry
Batchno.20260318 5g In stock Inquiry
  • Product code: SSC-118257
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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: 100g, 500g
  • Available purity: ≥95%
  • 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 2421-28-5
Pack Size Recorded Purity Available Qty Ship From Inquiry
100g ≥95% 0 Out of Stock Beijing Inquiry
500g ≥95% 0 Out of Stock Hong Kong Inquiry

2421-28-5 / 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione

Standard CAS: 2421-28-5 Multi CAS: No
Basic Information Physical Properties Computed Properties

Basic Information

CAS
2421-28-5
Multi CAS
No
Molecular Formula
C17H6O7
Molecular Weight
322.220000
Exact Mass
322.011353
SMILES
C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
InChI
InChI=1S/C17H6O7/c18-13(7-1-3-9-11(5-7)16(21)23-14(9)19)8-2-4-10-12(6-8)17(22)24-15(10)20/h1-6H
InChIKey
VQVIHDPBMFABCQ-UHFFFAOYSA-N

Physical Properties

Physical Description
Other Solid Light yellow powder
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
24
Aromatic heavy atom count
12
Rotatable bonds
2
H-bond acceptors
7
Molar refractivity
75.81
TPSA
103.81

LogP / Solubility

WLOGP
1.54
MLOGP
1.37
XLogP3
2
Consensus LogP
1.64
Log S (ESOL)
-3.05
Class (ESOL)
Poorly soluble
Log S (Ali)
-3.31
Class (Ali)
Poorly soluble
Log S (SILICOS-IT)
-3.27
Class (SILICOS-IT)
Poorly soluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.59

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
Yes
Synthetic Accessibility
3

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