Welcome to LookChem.com Sign In|Join Free

CAS

  • or

201731-11-5

Post Buying Request

201731-11-5 Suppliers

Recommended suppliersmore

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

201731-11-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201731-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,7,3 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 201731-11:
(8*2)+(7*0)+(6*1)+(5*7)+(4*3)+(3*1)+(2*1)+(1*1)=75
75 % 10 = 5
So 201731-11-5 is a valid CAS Registry Number.

201731-11-5Relevant articles and documents

Process for the Preparation of 1-Phenyl-1,2,4-triazoles

-

Page/Page column 6, (2011/04/19)

The present invention relates to a process for the preparation of 1-phenyl-1,2,4-triazoles by converting phenyl hydrazides to N′-(iminomethyl)-N′-phenylacetyl hydrazides and the further reaction thereof by cyclization to give 1-phenyl-1,2,4-triazoles.

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 201731-11-5