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CAS 90-20-0 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid molecular structure lightbox
CAS RN: 90-20-0

1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid

Product Availability

Choose a grade to view its available package options.

4 package records4 with current stock3 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250518 1g / 5g / 25g / 100g / 500g / 2.5kg Confirm by inquiry Shandong, Shanghai, Hebei, Chongqing, Guangdong Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250326 100g In stock Shanghai, Tianjin, Chengdu Inquiry
Batchno.20250901 500g In stock Shanghai Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260308 1g / 5g / 25g Confirm by inquiry Shanghai Inquiry
  • Product code: SSC-202271
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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: 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 90-20-0
Pack Size Recorded Purity Available Qty Ship From Inquiry
500g ≥95% 0 Out of Stock Hong Kong Inquiry

90-20-0 / 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid

Standard CAS: 90-20-0 Multi CAS: No
Basic Information Physical Properties Computed Properties

Basic Information

CAS
90-20-0
Multi CAS
No
Molecular Formula
C10H9NO7S2
Molecular Weight
319.300000
Exact Mass
318.982044
InChI
InChI=1S/C10H9NO7S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18)
InChIKey
APRRQJCCBSJQOQ-UHFFFAOYSA-N

Physical Properties

Physical Description
Dry Powder
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
20
Aromatic heavy atom count
10
Rotatable bonds
2
H-bond acceptors
6
H-bond donors
4
Molar refractivity
69.65
TPSA
154.99

LogP / Solubility

WLOGP
0.62
MLOGP
0.56
XLogP3
0.2
Consensus LogP
0.46
Log S (ESOL)
-2.45
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.63
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.49
Class (SILICOS-IT)
Moderately soluble

ADME

GI absorption
Low
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-4.23

Drug-likeness / Medicinal Chemistry

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

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