Welcome to LookChem.com Sign In|Join Free

CAS

  • or

219718-22-6

Post Buying Request

219718-22-6 Suppliers

Recommended suppliersmore

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

219718-22-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219718-22-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,7,1 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 219718-22:
(8*2)+(7*1)+(6*9)+(5*7)+(4*1)+(3*8)+(2*2)+(1*2)=146
146 % 10 = 6
So 219718-22-6 is a valid CAS Registry Number.

219718-22-6Relevant articles and documents

Process for producing chromans

-

, (2008/06/13)

A process for producing chromans, comprising reacting a phenol, a formaldehyde and an alcohol in the presence of a secondary amine and an acid, to generate an alkoxymethylphenol compound with the ortho position to the phenolic hydroxyl group substituted with an alkoxymethyl group, and reacting the alkoxymethylphenol compound with an unsaturated compound having a carbon--carbon double bond.

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 219718-22-6