Welcome to LookChem.com Sign In|Join Free
  • or
(4arH.8acH)-1.2.3.4.4a.8a-hexahydro-1c.4c-methano-naphthalene-quinone-(5.8) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21789-66-2

Post Buying Request

21789-66-2 Suppliers

Recommended suppliers

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

21789-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21789-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,8 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21789-66:
(7*2)+(6*1)+(5*7)+(4*8)+(3*9)+(2*6)+(1*6)=132
132 % 10 = 2
So 21789-66-2 is a valid CAS Registry Number.

21789-66-2Upstream 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 21789-66-2