Welcome to LookChem.com Sign In|Join Free
  • or
C19H19N3O2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74438-04-3

Post Buying Request

74438-04-3 Suppliers

Recommended suppliers

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

74438-04-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74438-04-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,3 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74438-04:
(7*7)+(6*4)+(5*4)+(4*3)+(3*8)+(2*0)+(1*4)=133
133 % 10 = 3
So 74438-04-3 is a valid CAS Registry Number.

74438-04-3Downstream Products

74438-04-3Relevant academic research and scientific papers

Bond Fixation in Annulenes. 8. Assessment of the Ring Inversion and Bond Shifting Barriers in 1,2,3-trimethylcyclooctatetraene. Resolution, Absolute Configuration and Circular Dichroism Behavior of an Annulene Hydrocarbon

Paquette, Leo A.,Gardlik, John M.

, p. 5016 - 5025 (1980)

A synthesis of racemic 1,2,3-trimethylcyclooctatetraene (13) based upon the expectation that 1,7,8-trimethylbicycloocta-2,4,7-triene (12) would open disrotatorily under orbital symmetry control was realized.This annulene demonstrated a ready pro

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 74438-04-3