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CAS 3326-34-9 5-Aminofluorescein (isomer I) molecular structure lightbox
CAS RN: 3326-34-9

5-Aminofluorescein (isomer I)

Product Availability

Choose a grade to view its available package options.

8 package records8 with current stock3 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250305 1g In stock Inquiry
Batchno.20250128 250mg In stock Inquiry
Batchno.20250404 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250818 250mg / 1g / 5g / 25g Confirm by inquiry Shanghai, Shandong, Chongqing Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20251112 1g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250915 250mg In stock Shanghai, Shenzhen, Tianjin, Chengdu Inquiry
Batchno.20250306 25g In stock Shanghai Inquiry
Batchno.20250814 5g In stock Tianjin Inquiry
  • Product code: SSC-139268
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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: 0.1g, 0.25g, 1g, 5g
  • 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 3326-34-9
Pack Size Recorded Purity Available Qty Ship From Inquiry
0.1g ≥97% 0 Out of Stock Shenzhen Inquiry
0.25g ≥97% 0 Out of Stock Shanghai Inquiry
1g ≥97% 0 Out of Stock Shanghai Inquiry
5g ≥97% 0 Out of Stock Beijing Inquiry

3326-34-9 / 6-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one

Standard CAS: 3326-34-9 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
3326-34-9
Multi CAS
Yes
Molecular Formula
C20H13NO5
Molecular Weight
347.300000
Exact Mass
347.079373
InChI
InChI=1S/C20H13NO5/c21-10-1-4-14-13(7-10)19(24)26-20(14)15-5-2-11(22)8-17(15)25-18-9-12(23)3-6-16(18)20/h1-9,22-23H,21H2
InChIKey
GZAJOEGTZDUSKS-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
26
Aromatic heavy atom count
18
Fraction Csp3
0.05
H-bond acceptors
6
H-bond donors
3
Molar refractivity
92.44
TPSA
102.01

LogP / Solubility

WLOGP
3.25
MLOGP
2.88
XLogP3
2.7
Consensus LogP
2.94
Log S (ESOL)
-4.55
Class (ESOL)
Slightly soluble
Log S (Ali)
-4.75
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-4.61
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
No
CYP2D6 inhibitor
Yes
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.53

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
4.5

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