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Pyridinium p-toluenesulfonate

SIAL/82815 - puriss., ≥99.0% (T)

Synonym: p-Toluenesulfonic acid pyridine salt; PPTS; Pyridine p-toluenesulfonate

CAS Number: 24057-28-1
Empirical Formula (Hill Notation): C12H13NO3S
Molecular Weight: 251.30
EC Number: 246-002-7
MDL Number: MFCD00013108
Linear Formula: C12H13NO3S
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-82815-25G 25 g
 $75.90
1/EA		 Add To Favorites
45-82815-100G 100 g
 $157.00
1/EA		 Add To Favorites

 

assay ≥99.0% (T)
form crystals
grade puriss.
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
InChI key ZDYVRSLAEXCVBX-UHFFFAOYSA-N
mp 117-120 °C
Quality Level 200 
SMILES string c1ccncc1.Cc2ccc(cc2)S(O)(=O)=O
Application: Pyridinium p-toluenesulfonate is a mild and efficient catalyst for the formation and cleavage of acetals. This method has been adapted in the completely symmetric synthesis of tetrahydrolipstatin. It is also capable of selectively cleaving tert-butyldimethylsilyl (TBDMS) ethers in the presence of tert-butyldiphenlysilyl (TBDPS) ethers.
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
RIDADR NONH for all modes of transport
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥99.0% (T)
mp 117-120 °C
UNSPSC 12352106

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