[email protected]
CAS 18861-78-4 Fluorescein 6-Isothiocyanate (isomer II) molecular structure lightbox
CAS RN: 18861-78-4

Fluorescein 6-Isothiocyanate (isomer II)

Product Availability

Choose a grade to view its available package options.

7 package records5 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260207 100mg In stock Shanghai, Shandong, Chongqing Inquiry
Batchno.20260219 1g Out of stock 8-10 business days Inquiry
Batchno.20250829 250mg In stock Shanghai Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250509 100mg In stock Shanghai Inquiry
Batchno.20251023 1g Out of stock Inquiry
Batchno.20250112 250mg In stock Shanghai Inquiry
Batchno.20251015 50mg In stock Shanghai Inquiry
  • Product code: SSC-087783
GET A QUOTE
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: 1g
  • Available purity: ≥95%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
Request Bulk Quote

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 18861-78-4
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ≥95% 0 Out of Stock Shenzhen Inquiry

18861-78-4 / 3',6'-dihydroxy-5-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one

Standard CAS: 18861-78-4 Multi CAS: No
Basic Information Computed Properties Safety & Transport

Basic Information

CAS
18861-78-4
Multi CAS
No
Molecular Formula
C21H11NO5S
Molecular Weight
389.400000
Exact Mass
389.035794
SMILES
C1=CC2=C(C=C1N=C=S)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O
InChI
InChI=1S/C21H11NO5S/c23-12-2-5-15-18(8-12)26-19-9-13(24)3-6-16(19)21(15)17-7-11(22-10-28)1-4-14(17)20(25)27-21/h1-9,23-24H
InChIKey
GTQFZXYECNSNNC-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
28
Aromatic heavy atom count
18
Fraction Csp3
0.05
Rotatable bonds
1
H-bond acceptors
7
H-bond donors
2
Molar refractivity
102.71
TPSA
88.35

LogP / Solubility

WLOGP
4.4
MLOGP
3.89
XLogP3
4.8
Consensus LogP
4.36
Log S (ESOL)
-5.44
Class (ESOL)
Slightly soluble
Log S (Ali)
-5.93
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-5.96
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
Yes
Log Kp (skin permeation)
-1.97

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
4.5

Safety & Transport

Pictogram(s)
Irritant Health Hazard
Signal
Danger
GHS Hazard Statements
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral] H312 (97.5%): Harmful in contact with skin [Warning Acute toxicity, dermal] H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation] H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin] H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Precautionary Statement Codes
P233, P260, P261, P264, P264+P265, P270, P271, P272, P280, P284, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P333+P317, P337+P317, P342+P316, P362+P364, P403, P403+P233, P405, and P501

Customers Also Viewed

Get In Touch

Contact Us