Welcome to LookChem.com Sign In|Join Free

CAS

  • or

138943-55-2

Post Buying Request

138943-55-2 Suppliers

Recommended suppliersmore

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

138943-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138943-55-2 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 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 138943-55:
(8*1)+(7*3)+(6*8)+(5*9)+(4*4)+(3*3)+(2*5)+(1*5)=162
162 % 10 = 2
So 138943-55-2 is a valid CAS Registry Number.

138943-55-2Downstream Products

138943-55-2Relevant articles and documents

COBALT(II) CHLORIDE CATALYSED CONVERSION OF ALLYLIC ALCOHOLS TO REARRANGED ALLYLIC AMIDES

Nayyar, Naresh K.,Reddy, M. Madhava,Iqbal, Javed

, p. 6965 - 6968 (1991)

Secondary and tertiary allylic alcohols can be converted to the corresponding allylically rearranged amides and acetates in presence of a catalytic quantity of cobalt(II) chloride and acetic anhydride in acetonitrile.Tertiary alcohols undergo complete rearrangement whereas the secondary ones yield a mixture of regioisomers.

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 138943-55-2