82815

Pyridinium p-toluenesulfonate

puriss., ≥99.0% (T)

Manufacturer: Sigma Aldrich

CAS Number: 24057-28-1

Synonym(S): p-Toluenesulfonic acid pyridine salt, PPTS, Pyridine p-toluenesulfonate

Select a Size

Pack Size SKU Availability Price
25 G 82815-25-G In Stock ₹ 3,604.73
100 G 82815-100-G In Stock ₹ 10,770.88

82815 - 25 G

₹ 3,604.73

In Stock

Quantity

1

Base Price: ₹ 3,604.73

GST (18%): ₹ 648.851

Total Price: ₹ 4,253.581

grade

puriss.

Quality Level

200

Assay

≥99.0% (T)

form

crystals

mp

117-120 °C

SMILES string

c1ccncc1.Cc2ccc(cc2)S(O)(=O)=O

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

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Description

  • Application: Pyridinium p-toluenesulfonate is a mild and efficient catalyst for the formation and cleavage of acetals.[1][2][3][4][5][6][7] This method has been adapted in the completely symmetric synthesis of tetrahydrolipstatin.[8] It is also capable of selectively cleaving tert-butyldimethylsilyl (TBDMS) ethers in the presence of tert-butyldiphenlysilyl (TBDPS) ethers.[9]

SAFETY INFORMATION

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves