Welcome to LookChem.com Sign In|Join Free
  • or
(4aR,8aS)-4a,5,8,8a-tetrahydro-6-(triisopropylsilyl)oxynaphthalene-1,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

691390-89-3

Post Buying Request

691390-89-3 Suppliers

Recommended suppliers

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

691390-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 691390-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,3,9 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 691390-89:
(8*6)+(7*9)+(6*1)+(5*3)+(4*9)+(3*0)+(2*8)+(1*9)=193
193 % 10 = 3
So 691390-89-3 is a valid CAS Registry Number.

691390-89-3Upstream 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 691390-89-3