Welcome to LookChem.com Sign In|Join Free

CAS

  • or

74813-16-4

Post Buying Request

74813-16-4 Suppliers

Recommended suppliersmore

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

74813-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74813-16-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,1 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74813-16:
(7*7)+(6*4)+(5*8)+(4*1)+(3*3)+(2*1)+(1*6)=134
134 % 10 = 4
So 74813-16-4 is a valid CAS Registry Number.

74813-16-4Downstream Products

74813-16-4Relevant articles and documents

Syntheses of fluorescent dyes. IX. New 4-hydroxycoumarins, 4-hydroxy-2-quinolones, 2H,5H-pyrano[3,2-c]benzopyran-2,5-diones and 2H,5H-pyrano[3,2-c]quinoline-2,5-diones

Knierzinger,Wolfbeis

, p. 225 - 229 (1980)

-

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 74813-16-4