Welcome to LookChem.com Sign In|Join Free
  • or
1-Hydroxy-4,5-dimethoxy-anthraquinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

50457-08-4

Post Buying Request

50457-08-4 Suppliers

Recommended suppliers

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

50457-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50457-08-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,5 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 50457-08:
(7*5)+(6*0)+(5*4)+(4*5)+(3*7)+(2*0)+(1*8)=104
104 % 10 = 4
So 50457-08-4 is a valid CAS Registry Number.

50457-08-4Downstream Products

50457-08-4Relevant academic research and scientific papers

The Regiospecific Preparation of 1,4-Dioxygenated Anthraquinones: A New Route to Islandicin, Digitopurpone, and Madeirin

Russell, Richard A.,Warrener, Ronald N.

, p. 108 - 110 (2007/10/02)

A direct, versatile, one-step synthesis of anthraquinones which exhibits total regioselectivity (>99 percent) and involves the reaction of the anion of 4- or 7-methoxy-3-phenylsulphonylphthalides with variously substituted quinone monoacetals is reported.

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 50457-08-4