CAS RN: 24057-28-1
Pyridinium p-Toluenesulfonate
Product Availability
Choose a grade to view its available package options.
5 package records5 with current stock2 grade groups
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250823 | 100g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry | |
| Batchno.20260330 | 1kg | In stock | Shanghai, Tianjin | Inquiry | |
| Batchno.20260311 | 25g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry | |
| Batchno.20260606 | 500g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260422 | 25g / 100g / 500g | Confirm by inquiry | Shanghai | 8-10 business days | Inquiry |
- Product code: SSC-117155
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: 1g, 5g, 10g, 25g, 100g, 500g, 1000g, 5000g, 10000g
- Available purity: >98%
- Inventory rows with stock: 9
- Bulk packaging: confirmed by inquiry
Available Pack Sizes & Stock
Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.
| Pack Size | Recorded Purity | Available Qty | Ship From | Inquiry |
|---|---|---|---|---|
| 1g | >98% | 5 In Stock | Hong Kong | Inquiry |
| 5g | >98% | 5 In Stock | Beijing | Inquiry |
| 10g | >98% | 5 In Stock | Shenzhen | Inquiry |
| 25g | >98% | 5 In Stock | Beijing | Inquiry |
| 100g | >98% | 5 In Stock | Hong Kong | Inquiry |
| 500g | >98% | 5 In Stock | Shenzhen | Inquiry |
| 1000g | >98% | 5 In Stock | Hong Kong | Inquiry |
| 5000g | >98% | 2 In Stock | Beijing | Inquiry |
| 10000g | >98% | 2 In Stock | Hong Kong | Inquiry |
24057-28-1 / 4-methylbenzenesulfonic acid;pyridine
Basic Information
CAS
24057-28-1
Multi CAS
No
Molecular Formula
C12H13NO3S
Molecular Weight
251.300000
Exact Mass
251.061614
SMILES
CC1=CC=C(C=C1)S(=O)(=O)O.C1=CC=NC=C1
InChI
InChI=1S/C7H8O3S.C5H5N/c1-6-2-4-7(5-3-6)11(8,9)10;1-2-4-6-5-3-1/h2-5H,1H3,(H,8,9,10);1-5H
InChIKey
ZDYVRSLAEXCVBX-UHFFFAOYSA-N
Computed Properties
Structural Parameters
Heavy atom count
17
Aromatic heavy atom count
12
Fraction Csp3
0.08
Rotatable bonds
1
H-bond acceptors
3
H-bond donors
1
Molar refractivity
65.23
TPSA
67.26
LogP / Solubility
WLOGP
2.32
MLOGP
2.05
XLogP3
2.32
Consensus LogP
2.23
Log S (ESOL)
-3.32
Class (ESOL)
Poorly soluble
Log S (Ali)
-3.3
Class (Ali)
Poorly soluble
Log S (SILICOS-IT)
-3.34
Class (SILICOS-IT)
Poorly soluble
ADME
GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.6
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
Yes
Synthetic Accessibility
1.5
Applications of CAS 24057-28-1
This compound is commonly used in organic synthesis and chemical building blocks, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 24057-28-1 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.
Physical & Chemical Properties
| IUPAC Name | 4-methylbenzenesulfonate;pyridin-1-ium |
Safety Information (GHS)
Pictogram(s): GHS07, GHS08. Signal word: Warning.
- H315 (62.1%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319 (63.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H335 (62.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H373 (35.8%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- H412 (35.8%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Precautionary statements: P260, P261, P264, P264+P265, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, 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: Air Sensitive,Hygroscopic. 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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