Welcome to LookChem.com Sign In|Join Free
  • or
dibenzyl 2,8-di(2-acetoxyethyl)-3,7-dimethyl-5-phenyldipyrrylmethane-1,9-dicarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

172269-75-9

Post Buying Request

172269-75-9 Suppliers

Recommended suppliers

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

172269-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172269-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,2,6 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 172269-75:
(8*1)+(7*7)+(6*2)+(5*2)+(4*6)+(3*9)+(2*7)+(1*5)=149
149 % 10 = 9
So 172269-75-9 is a valid CAS Registry Number.

172269-75-9Relevant academic research and scientific papers

Selective Synthesis of Monoaryl Substituted Porphyrins

Robinsohn, Adriana E.,Buldain, Graciela Y.

, p. 1567 - 1572 (2007/10/03)

A synthetic route to meso-monoarylporphyrins using a MacDonald-type 2+2 condensation is described.In this method a bisformyl substituted dipyrrylmethane is treated with a biscarboxydipyrrylmethane.The 5-aryldipyrrylmethanes 15, 25 and 27 were obtained by condensation of the corresponding pyrroles 18, 28 and 29 respectively with benzaldehyde in presence of p-toluenesulfonic acid.

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 Customer Service

What can I do for you?
Get Best Price

Get Best Price for 172269-75-9