Welcome to LookChem.com Sign In|Join Free

CAS

  • or

107728-56-3

Post Buying Request

107728-56-3 Suppliers

Recommended suppliersmore

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

107728-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107728-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,7,2 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 107728-56:
(8*1)+(7*0)+(6*7)+(5*7)+(4*2)+(3*8)+(2*5)+(1*6)=133
133 % 10 = 3
So 107728-56-3 is a valid CAS Registry Number.

107728-56-3Relevant articles and documents

SYNTHESIS OF 4-AROYL-4,5-DIHYDRO-2(3H)-FURANONES AND THEIR REACTIONS WITH SOME NUCLEOPHILES

Shams, Nabil A.,Hamed, Ashraf A.,Donia, Shafie G.,Shaker, Sohair A.

, p. 143 - 149 (2007/10/02)

Condensation of 3-aroylpropanoic acids with either formaldehyde or acetaldehyde in sodium hydroxide solution afforded two products: 4-aroyl-4,5-dihydro-2(3H)-furanones, and 3-butenoic or 3-pentenoic acid derivatives.Reactions of the title compounds with hydrazine hydrate and phenylmagnesium bromide have been examined.

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 107728-56-3