Welcome to LookChem.com Sign In|Join Free
  • or
tert-butyl (R)-4-((tert-butyldimethylsilyl)oxy)-2-oxopyrrolidine-1-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

228267-20-7

Post Buying Request

228267-20-7 Suppliers

Recommended suppliers

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

228267-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 228267-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,2,6 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 228267-20:
(8*2)+(7*2)+(6*8)+(5*2)+(4*6)+(3*7)+(2*2)+(1*0)=137
137 % 10 = 7
So 228267-20-7 is a valid CAS Registry Number.

228267-20-7Upstream 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 228267-20-7