Welcome to LookChem.com Sign In|Join Free
  • or
4'-CHLORO-3'-METHYL-2-PHENYLACETOPHENONE is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201990-40-1

Post Buying Request

201990-40-1 Suppliers

Recommended suppliers

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

201990-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201990-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,9,9 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 201990-40:
(8*2)+(7*0)+(6*1)+(5*9)+(4*9)+(3*0)+(2*4)+(1*0)=111
111 % 10 = 1
So 201990-40-1 is a valid CAS Registry Number.

201990-40-1Upstream product

201990-40-1Downstream Products

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 201990-40-1