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CAS 26412-87-3 Pyridine – Sulfur Trioxide Complex molecular structure lightbox
CAS RN: 26412-87-3

Pyridine – Sulfur Trioxide Complex

Product Availability

Choose a grade to view its available package options.

5 package records5 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260525 100g In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batchno.20251103 10kg In stock Shandong Inquiry
Batchno.20250629 2.5kg In stock Shanghai, Shandong, Chongqing Inquiry
Batchno.20250205 25g In stock Shanghai, Shandong, Guangdong, Hebei Inquiry
Batchno.20250728 500g In stock Shanghai, Shandong, Guangdong Inquiry
  • Product code: SSC-124022
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 25g, 100g, 500g, 1000g
  • Available purity: >97%
  • Inventory rows with stock: 4
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 26412-87-3
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g >97% 5 In Stock Shenzhen Inquiry
100g >97% 5 In Stock Beijing Inquiry
500g >97% 5 In Stock Shanghai Inquiry
1000g >97% 5 In Stock Shanghai Inquiry

26412-87-3 / pyridine;sulfur trioxide

Standard CAS: 26412-87-3 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
26412-87-3
Multi CAS
No
Molecular Formula
C5H5NO3S
Molecular Weight
159.170000
Exact Mass
158.999014
SMILES
C1=CC=NC=C1.O=S(=O)=O
InChI
InChI=1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H;
InChIKey
UDYFLDICVHJSOY-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
10
Aromatic heavy atom count
6
H-bond acceptors
4
Molar refractivity
33.93
TPSA
64.1

LogP / Solubility

WLOGP
0.08
MLOGP
0.06
XLogP3
0.08
Consensus LogP
0.07
Log S (ESOL)
-1.32
Class (ESOL)
Soluble
Log S (Ali)
-0.92
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.76
Class (SILICOS-IT)
Very soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.64

Drug-likeness / Medicinal Chemistry

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

Applications of CAS 26412-87-3

This compound is commonly used in laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 26412-87-3 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Physical & Chemical Properties

IUPAC Namepyridine;sulfur trioxide

Safety Information (GHS)

Pictogram(s): GHS05, GHS07. Signal word: Danger.

Precautionary statements: P260, P264, P264+P265, P270, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P321, P330, P332+P317, P337+P317, P362+P364, P363, P405, and P501 (click each P-code to see the statement)

Request the SDS (Safety Data Sheet) for full hazard and safety documentation.

Storage & Handling

Storage: Store under inert gas. Avoid: Moisture Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.

Quotation & Packaging

Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.

Quality & Compliance

Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.

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