Welcome to LookChem.com Sign In|Join Free

CAS

  • or

138944-43-1

Post Buying Request

138944-43-1 Suppliers

Recommended suppliersmore

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

138944-43-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138944-43-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,4 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138944-43:
(8*1)+(7*3)+(6*8)+(5*9)+(4*4)+(3*4)+(2*4)+(1*3)=161
161 % 10 = 1
So 138944-43-1 is a valid CAS Registry Number.

138944-43-1Relevant articles and documents

An approach to acyclo-1-deazathymidine c-nucleosides via 3,5-dichloro-6-methyl-2H-1,4-oxazin-2-one

Meerpoel, Lieven,Toppet, Suzanne M.,Compernolle, Frans,Hoornaert, Georges J.

, p. 10065 - 10076 (2007/10/02)

An approach to the synthesis of acyclo-1-deazathymidine nucleosides is described. Diels-Alder reaction of 3,5-dichloro-6-methyl-2H-1,4-oxazin-2-one with acetylenic compounds 4 and 5 yielded the 3-[(tetrahydropyran-2-yl)oxy]-methyl- and 3-bromomethyl-5-met

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 138944-43-1