Welcome to LookChem.com Sign In|Join Free

CAS

  • or

128813-34-3

Post Buying Request

128813-34-3 Suppliers

Recommended suppliersmore

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

128813-34-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128813-34-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,1 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128813-34:
(8*1)+(7*2)+(6*8)+(5*8)+(4*1)+(3*3)+(2*3)+(1*4)=133
133 % 10 = 3
So 128813-34-3 is a valid CAS Registry Number.

128813-34-3Relevant articles and documents

Dihydroisobenzofurans and isoindolines by intramolecular inverse Diels-Alder reactions of pyridines

Biedrzycki, Marek,De Bie, Dick A.,Van Der Plas, Henk C.

, p. 607 - 614 (2007/10/02)

Pyridines being substituted at position 2 or 3 with a silylated propynyloxymethyl side-chain undergo a thermolytic intramolecular Diels-Alder reaction with formation of dihydroisobenzofurans. The 3-substituted pyridines are found to be more reactive than

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 128813-34-3