Welcome to LookChem.com Sign In|Join Free

CAS

  • or

81820-03-3

Post Buying Request

81820-03-3 Suppliers

Recommended suppliersmore

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

81820-03-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81820-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,2 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81820-03:
(7*8)+(6*1)+(5*8)+(4*2)+(3*0)+(2*0)+(1*3)=113
113 % 10 = 3
So 81820-03-3 is a valid CAS Registry Number.

81820-03-3Downstream Products

81820-03-3Relevant articles and documents

Reactions of 3-Chloropyridazines with Some Nucleophilic Reagents

Moustafa, A. H.,Kaddah, A. M.,Shams, N. A.

, p. 1084 - 1086 (2007/10/02)

3-Chloro-6-phenylpyridazine (1a) and its 4-methyl derivative (1b) react with sodamide, hydrazines, 3-aminopyridazines and phenothiazine in polar and non-polar solvents as well as by fusion to give different products.The structures assigned to the products have been confirmed by their IR spectra.

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 81820-03-3