Welcome to LookChem.com Sign In|Join Free
  • or
5-(bromomethyl)-2,2,7,8-tetramethyl-3,4-dihydro-2H-chromen-6-yl methyl ether is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

784143-53-9

Post Buying Request

784143-53-9 Suppliers

Recommended suppliers

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

784143-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 784143-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,4,1,4 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 784143-53:
(8*7)+(7*8)+(6*4)+(5*1)+(4*4)+(3*3)+(2*5)+(1*3)=179
179 % 10 = 9
So 784143-53-9 is a valid CAS Registry Number.

784143-53-9Upstream product

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 784143-53-9