Welcome to LookChem.com Sign In|Join Free
  • or
(RS,2S)-2-methyl-propane-2-sulfinic acid [2-(tert-butyl-dimethyl-silanyloxy)-propylidene]-amide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

638211-45-7

Post Buying Request

638211-45-7 Suppliers

Recommended suppliers

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

638211-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 638211-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,8,2,1 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 638211-45:
(8*6)+(7*3)+(6*8)+(5*2)+(4*1)+(3*1)+(2*4)+(1*5)=147
147 % 10 = 7
So 638211-45-7 is a valid CAS Registry Number.

638211-45-7Upstream 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 638211-45-7