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CAS 81-16-3 2-Amino-1-naphthalenesulfonic Acid molecular structure lightbox
CAS RN: 81-16-3

2-Amino-1-naphthalenesulfonic Acid

Product Availability

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1 package records1 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250703 25g / 100g / 500g / 2.5kg Confirm by inquiry Shanghai, Shandong, Guangdong Inquiry
  • Product code: SSC-189590
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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: 1000g
  • 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 81-16-3
Pack Size Recorded Purity Available Qty Ship From Inquiry
1000g ≥97% 0 Out of Stock Beijing Inquiry

81-16-3 / 2-aminonaphthalene-1-sulfonic acid

Standard CAS: 81-16-3 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
81-16-3
Multi CAS
Yes
Molecular Formula
C10H9NO3S
Molecular Weight
223.250000
Exact Mass
223.030314
InChI
InChI=1S/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14)
InChIKey
GWIAAIUASRVOIA-UHFFFAOYSA-N

Physical Properties

Physical Description
Dry Powder White solid; [HSDB] Light orange crystalline powder
Appearance
WHITE NEEDLES Anhydrous scales from hot water; hydrated needles from cold water
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
15
Aromatic heavy atom count
10
Rotatable bonds
1
H-bond acceptors
3
H-bond donors
2
Molar refractivity
58.18
TPSA
80.39

LogP / Solubility

WLOGP
1.67
MLOGP
1.47
XLogP3
1.8
Consensus LogP
1.65
Log S (ESOL)
-2.7
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.6
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.62
Class (SILICOS-IT)
Moderately 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)
-2.9

Drug-likeness / Medicinal Chemistry

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

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