Welcome to LookChem.com Sign In|Join Free

CAS

  • or

64357-71-7

Post Buying Request

64357-71-7 Suppliers

Recommended suppliersmore

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

64357-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64357-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,3,5 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64357-71:
(7*6)+(6*4)+(5*3)+(4*5)+(3*7)+(2*7)+(1*1)=137
137 % 10 = 7
So 64357-71-7 is a valid CAS Registry Number.

64357-71-7Relevant articles and documents

Graphite as an effective catalyst for Friedel-Crafts acylation

Kodomari, Mitsuo,Suzuki, Yoshitada,Yoshida, Kouji

, p. 1567 - 1568 (2007/10/03)

Graphite is found to promote Friedel-Crafts acylation of aromatic compounds such as anisole, toluene and o-xylene with acyl halides to give the corresponding acylated products in high yields.

2-(Trifluoromethylsulfonyloxy)pyridine as a Reagent for the Ketone Synthesis from Carboxylic Acids and Aromatic Hydrocarbons

Keumi, Takashi,Yoshimura, Kiichiro,Shimada, Masakazu,Kitajima, Hidehiko

, p. 455 - 460 (2007/10/02)

A new reagent 2-(trifluoromethylsulfonyloxy)pyridine (TFOP) was prepared by the reaction of sodium salt of 2-pyridinol with trifluoromethylsulfonyl chloride in dioxane.The conpound TFOP in trifluoroacetic acid has been found to intermolecularly dehydrate from benzoic acid and aromatic hydrocarbons to give the corresponding benzophenones in high yield.It was further elucidated, in the reaction of fluorene, that a variety of carboxylic acids can be used as the acyl precursor for the aromatic ketone synthesis in conjunction with the TFOP/TFA system.This acylation procedure has been applied to the synthesis of 2-acylthiophenes, which are hard to prepare in a satisfactory yield by the classical Friedel-Crafts reaction using aluminum chloride as the catalyst.

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 64357-71-7