Welcome to LookChem.com Sign In|Join Free

CAS

  • or

128257-16-9

Post Buying Request

128257-16-9 Suppliers

Recommended suppliersmore

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

128257-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128257-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128257-16:
(8*1)+(7*2)+(6*8)+(5*2)+(4*5)+(3*7)+(2*1)+(1*6)=129
129 % 10 = 9
So 128257-16-9 is a valid CAS Registry Number.

128257-16-9Downstream Products

128257-16-9Relevant articles and documents

Highly diastereoselective reaction of (3aS,o6R)-5-oxa-7, 8a-diazaperhydroazulen-8-ones with diethylzinc

Takahashi,Morimoto,Higashiyama

, p. 2627 - 2631 (2007/10/02)

-

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

What can I do for you?
Get Best Price

Get Best Price for 128257-16-9